Dictionary A-Z

A is for ...


aardvark

Aardvarks are large African mammals that eat ants. The name means "Earth pig."

abacus

An abacus is an ancient device that is used for arithmetic calculations.

above

Above means over or higher. The cloud is above the mountain. Mr. Mrs. Dr. USA

abbreviation
A abbreviation is a shortened form of a word. Some common abbreviations are: St. (street), Ave. (avenue), km (kilometer)., and UK (United Kingdom).

acid rain

Acid rain is polluted and is harmful to the environment.


acorn

The acorn is the nut of an oak tree.

Acrocanthosaurus

Acrocanthosaurus was huge, spine-backed, meat-eating dinosaur.

act

When you act, you do something or perform a role.

actor

An actor is someone who performs a role in a play or a movie.

acute angle
An acute angle is less than 90 degrees.
"Haste makes waste."

adage
An adage is a short saying that tells a commonly-known truth.

Adams, John
John Adams (1735-1826) was the second President of the USA, serving from 1797 to 1801. 1+1=2

2+3=5

addition
Addition is the adding of numbers to get their sum.

address
An address lists where someone lives or works. On a piece of mail, an address tells the Post Office where to bring a letter or package.

adjective
An adjective is a word that describes a person, place or thing.


adult
Adults are grown-up women and men. ?

adverb
An adverb is a word that tells "how," "when," "where," or "how much". Some adverbs are: easily, warmly, quickly, mainly, freely, often, and unfortunately.

afraid
When you're afraid, you are scared.
Africa
Africa is the second biggest continent. It is in the Southern Hemisphere and is bordered by the Atlantic and Indian Oceans, and the Mediterranean Sea. Some of the many countries in Africa are Algeria, Egypt, Ethopia, Kenya, Libya, Mali, Madagascar, Mauritania, Morocco, Namibia, Niger, Nigeria, South Africa, Tanzania, Zaire, and Zimbabwe.

African elephant
The African elephant is the biggest land animal. It has large ears and a long trunk.

African penguin
The African penguin is a small, flightless bird that lives on islands off the coast of southern Africa.

African wild cat
The African wild cat is a fierce cat and a fast hunters.

African wild dog
The African wild dog hunts in packs in Africa.

agouti
The agouti is a large, short-tailed rodent from rainforests in the Americas.

aileron
Ailerons are the outer flaps on the rear surface of the wings of an airpane. Ailerons are used to keep the airplane from rollling from side to side.


air
The Earth is surrounded by air. Many animals breathe air.

Airedale terrier
The Airedale terrier is a dog that was originally bred in England.

airplane
Airplanes fly in the sky.

ajar
Something that is ajar is partly open. The door is ajar.

Alabama
Alabama is a state in the southern United States of America. Its capital is Montgomery.


The Alamo
The Alamo is an old Spanish mission located in San Antonio, Texas.

Alamosaurus
Alamosaurus was a huge, long-necked, plant-eating dinosaur that had a whip-like tail. Fossils have been found in Texas.

Alaska
Alaska is the 49th state of the United States of America. Its capital is Juneau.

Alaskan malamute
The Alaskan malamute is a powerful sled dog from Alaska.


albatross
The albatross is web-footed bird that can fly for a long period of time.

Albertosaurus
Albertosaurus was a large, meat-eating dinosaur, related to T. Rex.

alike
When things are alike they look the same.

all
All the apples above are red.

alley
An alley is a narrow road between buildings.


alligator
Alligators are large reptiles that have huge jaws and large teeth.

Allosaurus
Allosaurus was a huge, meat-eating dinosaur.

almond
An almond is a type of nut.

alpaca
The alpaca is a South American mammal related to and smaller than the llama. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

alphabet
There are 26 letters in the alphabet.


amber
Amber is a yellowish hardened tree resin.

ambulance
An ambulance takes sick people to the hospital.

America
The United States of America is a country in North America. There are 50 states in the United States of America.

American Sign Language
Some deaf people use American Sign Language to communicate.

amoeba
An amoeba is a tiny, one-celled animal. Amoeba is also spelled ameba.
&

ampersand
An ampersand is a symbol that means "and."
amphibian
Amphibians are animals that live in the water during their early life, but usually live on land as adults. They include frogs, toads, newts, salamanders, and others.

anaconda
The anaconda is the biggest snake in the world.

anatomy
Anatomy is a science that studies the body.

anchor
An anchor is a heavy metal device that holds a ship in place.


angel
An angel embodies goodness.

angelfish
Angelfish are brightly-colored fish that live in warm water.

angelshark
Angelsharks are sharks that have flat bodies and live on the ocean floor.

angle
An angle is the amount of rotation it would take to put one intersecting line on top of another.

angry
When you are angry, you are very mad.


animals
You can see lots of animals at the zoo.

animal tracks
Animals make tracks when they walk or run.

ankle
The ankle is the joint between your foot and leg.

Ankylosaurus
Ankylosaurus was a plant-eating, armored dinosaur.

ant
Ants are small, social insects that are found worldwide.

Antarctica
Antarctica is an icy continent around the South Pole.

anteater
Anteaters are mammals with very long snouts. They are from South and Central America.

antelope
Antelopes are graceful mammals with beautiful horns.

Anthony, Susan B.
Susan Brownell Anthony (1820-1906) campaigned for women's rights in the USA, including the right to vote.

antlers
Antlers are hard, branch-like growths on the head of some mammals- they are shed yearly. Many animals, like reindeer, have antlers.


antonym
Antonyms are words that mean the opposite of each other. Some antonyms include: happy/sad, big/small, up/down, stop/go, wet/dry, long/short, loose/tight.

Apatosaurus
Apatosaurus was a huge, plant-eating dinosaur. It used to be called Brontosaurus.

ape
Chimpanzees, orangutans, and gorillas are apes. can't

apostrophe
An apostrophe is a symbol that indicates that some letters have been omitted from a word (for example, "do not" can be written as the contraction "don't"). Apostrophes are also used to show possession (for example, Jane's doll means a doll belonging to Jane).

apple
An apple is a juicy fruit that grows on an apple tree.


Appleseed, Johnny
Johnny Appleseed was a legendary man who planted apple trees through the USA. His real name was John Chapman, but he was called Johnny Appleseed because of his love for growing apple trees.

apple tree
An apple tree is a fruit tree.

April
April is the fourth month of the year.
apron
An apron protects clothing from getting dirty.

aquarium
You can look at fish in an aquarium.


Arbor Day
Arbor Day is a holiday that encourages tree planting and tree care. In the USA, Arbor Day is usually celebrated on the last Friday in April.

arachnid
Arachnids are animals that have eight jointed legs, an exoskeleton, and a two-part body. Spiders, scorpions, and ticks are arachnids.

arch
An arch is a curved opening.

Archelon
Archelon was a marine turtle that was the size of a car. It lived during the time of the dinosaurs.
archer
An archer shoots an arrow with a bow.


archipelago
An archipelago is a group or chain of islands clustered together in a sea or ocean.

Arctic
The Arctic is the area surrounding the North Pole of the Earth. The Arctic is covered by the Arctic Ocean, some of which is covered by a thick layer of ice.

Arctic animals
Animals that live in the Arctic have adapted to withstand very cold temperatures.

Arctic hare
This white hare lives in the Arctic and has huge hindfeet.

Arctic Ocean
The Arctic Ocean is the ocean at the North Pole.

Arctic tern
The Arctic tern is a small bird that flies from the Arctic to the Antarctic and back again each year.

Arctic wolf
Arctic wolves are meat-eaters that live in northern Canada. 1+1=2

7-4=3

arithmetic
Arithmetic is the study of addition, subtraction, multiplication, and division.

Arizona
Arizona is a state in the southwestern United States of America. Its capital is Phoenix.


Arkansas
Arkansas is a state in the United States of America. Its capital is Little Rock.

arm
You can carry things in your arms.

armadillo
An armadillo is a small, burrowing, armored mammal.

armchair
An armchair is a chair with arms.

Armstrong, Neil
Neil Alden Armstrong (1930- ) was the first person to walk on the moon. He piloted NASA's Apollo 11 mission, which landed on the moon on July 20, 1969.


army
An army is a unified group of people who are trained to fight on land.

around
When something is around something, it is near or close to it.

arrow
Arrows are long and have a sharp point.

art
A work of art can be a drawing, painting, sculpture, music, dance, photograph, or other form of expression.

art gallery
You can see works of art at an art gallery.


artichoke
The artichoke is a spiny, green vegetable. the, a, an

article
An article is a word that introduces a noun and also limits or clarifies it. In English, the indefinite articles are: a and an; the definite article is the.

artist
An artist creates works of art.
Asia
Asia is the biggest continent. It is in the Northern Hemisphere and borders Europe. Some of the countries in Asia include China, Mongolia, India, Pakistan, Laos, Japan, Myanmar, Iran, Iraq, Vietnam, Thailand, and part of Russia.

asleep
When you are asleep you are not awake.


assassin bug
Assassin bugs are insects that eat other insects.

asteroid
Asteroids are tiny planets that mostly orbit between Mars and Jupiter.

asteroid belt
The asteroid belt is a doughnut-shaped concentration of asteroids that orbit the Sun between the orbits of Mars and Jupiter.

astronaut
An astronaut goes up into space to explore.

astronomer
Astronomers are people who study astronomy and learn about objects in the universe, like stars and planets.


astronomy
Astronomy is the science that studies the universe.

athlete
Someone who is good at a sport is an athlete.

Atlantic Ocean
The Atlantic Ocean is a large body of salt water that separates the Americas from Europe and Africa. It is the second largest ocean.

atmosphere
The atmosphere is the gas that surrounds a planet.

atoll
An atoll is a ring (or partial ring) of coral that forms an island in an ocean or sea.


atom
Everything is made up of tiny atoms. @

at sign
The @ on keyboards and in email addresses is called the "at sign." You can write one easily by writing a lower case a, then continuing to draw an almost-complete circle around the a.

August
August is the eighth month of the year.
aurora
Auroras are beautiful lights in the near-polar sky.

Australia
Australia is a continent, a country and an island! It is surrounded by the Pacific and Indian Oceans. The capital of Australia is Canberra.


automobile
An automobile is a car.

autumn
Autumn is the season between summer and winter. Another name for autumn is fall.

avenue
An avenue is a wide street.

Avimimus
Avimimus was a bird-like dinosaur that ate meat and had a long beak.

avocado
The avocado is an oily, green fruit; it is sometimes called the alligator pear. Avocados grow on trees in warm areas.


awake
When you are awake, you are not asleep.

award
An award is something you get for winning or doing well at something.
awl
An awl is a tool used to make small holes in things.

ax
An ax is useful for chopping wood.

aye-aye
The aye-aye is an unusual, nocturnal primate (a type of mammal) that lives in Madagascar (an island off the coast of Africa).

B is for ...


baboon
The baboon is a large monkey with a long snout and large cheek pouches.

baby
A baby is a very young person.

Bach, J.S.
Johann Sebastian Bach was one of the greatest composers of all time.

backgammon
Backgammon is an ancient board game played with tiles and dice.

backpack
A backpack is a sack that is worn on the back and is used to carry things.


bacterium
A bacterium (plural bacteria) is a primitive, single-celled organism.

bad
When something is bad, it is has unpleasant qualities. The opposite of bad is good.

badger
The badger is a nocturnal mammal with a black-and-white striped face.

bag
You can put things in a bag.

bagel
A bagel is a chewy kind of roll.


baker
A baker bakes food in the oven, like breads, cakes, and cookies.

bald eagle
The bald eagle is a large bird of prey. It is the symbol of the USA.

ball
A ball is round and fun to bounce, throw, kick, or catch.

ballerina
A ballerina is a woman who does ballet dancing.

balloon
A balloon is a thin rubber sack that is filled with air or other gases.


bamboo
Bamboo is a very useful plant from Asia. Pandas eat bamboo.

banana
Bananas are a sweet, yellow fruit.

bandage
A bandage is a clean pad that is used to cover and protect cuts and other injuries.

bandicoot
Bandicoots are marsupials with pointy snouts. It lives in Australia and New Guinea.

banjo
The banjo is a stringed musical instrument with a circular body.


bank
You can put your money in a bank for safe keeping.

banner
A banner is a flag.

bar code
There are bar codes on most things that are for sale in stores.

bark
Bark is the hard, outer covering of the trunk, branches, and roots of trees.

barn
A barn is a farm building where animals and animal feed are kept.


barrel
A barrel is a large, wooden container.

Barosaurus
A huge, long-necked, whip-tailed, plant-eating dinosaur that lived the Jurassic period.

baseball
Baseball is team game that is played with a ball and a bat.

baseball bat
You hit a baseball with a baseball bat.

basilisk
The basilisk is a South American lizard that can walk on water.


basket
You can carry things in a basket.

basketball
Basketball is a sport in which you get points for throwing a ball into a basket.

basking shark
The basking shark is huge and eats very tiny animals that float in the ocean.

basset hound
The Basset Hound is a lively and devoted dog that has short legs and long, droopy ears. It was originally bred to hunt rabbits and hares.

bassoon
The bassoon is a large woodwind instrument with a double reed. It can play very low notes.


bat
Bats are the only flying mammal.

bathing suit
A bathing suit is a garment you wear while swimming.

bathtub
You take a bath in a bathtub.

batter
A batter is an uncooked, liquid mixture of flour, eggs, butter and other ingredients. When a batter is cooked, it becomes solid. Cookies, cakes, and muffins are made from batter.

bay
A bay is a body of water that is partly enclosed by land (usually smaller than a gulf).


beach
A beach is where the water meets the land. You can build sand castles on the beach.

beads
Beads are small objects with a hole through them so that they can be strung together to make jewelry or other things.

beagle
The beagle is a friendly, playful dog. It was originally bred as a rabbit hunter.

beak
A beak is the hard, outer part of a some animal's mouth. Birds, octopi, squid, and other animals have beaks. Some dinosaurs had them too.

bear
A bear is a big, furry mammal.


beaver
The beaver is a large rodent that builds dams and dens.

bed
People sleep in beds.

bee
Bees are flying insects that live in a hive. Some bees make honey. Bees are important plant pollinators; they fertilize seeds when they fly from flower to flower, collecting nectar.

beetle
A beetle is an insect.

behind
When you are behind something, you are to the back of it.


bell
A bell makes a beautiful sound when you ring it.

beluga whale
The beluga is a small, white, toothed whale that lives mostly in cold, arctic waters.

bench
A few people can sit on a bench.

between
When something is between, it is located in a position separating two other items.

bicycle
A bicycle has two wheels, a handle bar, and pedals.


big
When someone or something is big, it is above average size.

Big Dipper
The Big Dipper is a group of 7 stars contained in the Northern Hemisphere constellation Ursa major (the Great Bear).

bigger
The boy in the middle is bigger than the boy on the left.

biggest
The boy on the right is the biggest of the three.

bighorn sheep
The bighorn sheep is a wild brown sheep from mountains and deserts of North America.


bilby
The bilby (also known as the rabbit-eared bandicoot) is a small marsupial with long ears. It lives in Australia and New Guinea.

bill
A bill is paper money. 1,000,000,000

billion
A billion is a thousand million. The Earth is billions of years old.

binturong
The binturong is a dark, furry mammal from southeast Asia.

biome
A biome is the natural place in a particular climate where many plants and animals live. Some biomes include the rainforest, tundra, and desert.


biped
A biped is an animal that walks on two legs. People are bipeds. Tyrannosaurus rex was a biped.

bird
Birds have feathers and wings. Most birds can fly.

birthday
You have a birthday every year.

birthday cake
Birthday cakes are sweet and delicious!

bison
The Bison (also called the American Buffalo) is the heaviest land animal in North America.


black
Black is the color of a very dark night.

black bear
The black bear is a big bear that can be black or brown colored.

black bear hamster
The black bear hamster is a docile, black, short-haired hamster.

blackberry
Blackberries are dark-colored, edible berries that grow on prickly vines.

blackbird
Blackbirds are black!


black widow spider
The black widow is a very poisonous black spider with a red hourglass marking.

blimp
A blimp is is a balloon-like airship that floats in the sky.

blocks
You can build things with toy blocks.

bloodhound
The bloodhound is the heaviest hound dog and is an incredible scent tracker.

blouse
A blouse is a shirt, a type of garment worn on the upper part of the body.


blue
The sky is blue during the day.

bluebell
Bluebells are bell-shaped flowers.

bluebird
The bluebird is a beautiful song bird that is the symbol of many of the states in the USA.

blue jay
The blue jay is a beautiful, noisy blue bird.

blue shark
The blue shark is a sleek, fast-swimming shark with blue skin.


blue-tongued skink
The blue-tongued skink is an Australian lizard that has a long, blue tongue.

blue whale
The blue whale is the biggest animal that ever lived. It eats tiny food that it sieves through baleen.
boa constrictor
The boa constrictor is a large snake from South and Central America.

boat
Boats float in the water.

bobcat
The bobcat is a fierce, short-tailed wild cat from North America.


body
Everyone has a body.

bones
Bones are hard, structural parts of the body of many animals. We have 206 bones in our skeleton.

bongo
The bongo is a large, striped antelope from African forests.

book
Books are wonderful to read!

bookcase
Books are stored in bookcases.


boots
Boots are a type of shoe. Boots cover the feet and part of the lower legs.

Boston terrier
The Boston Terrier is an intelligent, lively, short-haired dog.

bottle
A bottle is a container with a narrow neck and mouth.

bouquet
A bouquet is a bunch of flowers.

bow
A bow is loops of ribbon or sting that are tied together.


bow
A bow is a device that is used to play a violin, viola, cello, double bass, or other stringed instrument.

bowhead whale
The bowhead whale is a large whale that eats tiny food that it sieves through baleen.

bowl
You can eat soup or cereal in a bowl.

box
A box can hold things.

boy
A boy is a young man.


bracelet
A bracelet is jewelry you wear on your wrist.

Brachiosaurus
Brachiosaurus was a huge, plant-eating dinosaur. It had a very long neck.

braid
A braid is three or more strands that are woven together into a rope-like shape.

Braille
Braille is a system of writing used by blind people.

brain
We think with our brain. The brain is protected by the skull.


branch
A branch is a tree or other plant that grows from the trunk or stem.

brass instruments
The French horn, trumpet, trombone, and tuba are brass musical instruments.

brave
Someone who is brave has courage.

Brazil
Brazil is a large country in South America. Its capital is Brasilia.

breaching
Breaching is when whales jump high out of the water. Sometimes whales spin around while they are breaching.


bread
Bread is made from flour and is baked in an oven.

break
When you break something, it is separated into two or more pieces or is cracked. Broken things are often unusable.

breakfast
Breakfast is a meal that is eaten in the morning.

brick
This fireplace is made out of bricks.

bridge
A bridge is a structure over water, or over another thing that is difficult to cross.


brittle
Something that is brittle will break or snap in two easily. Potato chips are brittle.

brittle star
The brittle star is a bottom-dwelling marine invertebrate with long, spiny arms. It is called the brittle star because an arm can snap off when it is bitten by a predator; the arm will later regrow.

broccoli
Broccoli is a green vegetable.

Brontosaurus
Brontosaurus was a huge, long-necked, plant-eating dinosaur. It is now called Apatosaurus.

broken
When something is broken, it does not work or has been damaged.


bronze
Bronze is a metal that is made out of copper and tin (which are other metals). In the Olympics, the third-place medal is made of bronze.

brook
A brook is small stream.

broom
You can sweep the floor with a broom.

brothers
Brothers are boys or men who have the same parents.

brown
Brown is the color of wood.

brown bear
The brown bear is a large bear with a muscular hump on its shoulders.

brush
A brush is used to paint, clean, or groom.

bubble gum
You can chew bubble gum and blow bubbles.

bubbles
It is fun to blow soap bubbles!

bucket
A bucket is a container with a handle.


buffalo
The American buffalo (which is actually a bison) is the heaviest land animal in North America.

bug
There are lots of bugs in the world. Insects and spiders are bugs.

building
A building is a structure built by people.

bulb
A plant bulb wil sprout into a new plant. Onions are bulbs.

bulb
A light bulb turns electricity into light.


bull
A bull is a male cow.

bulldog
The bulldog is a muscular, wrinkled, powerful dog that was originally bred in Britain.

bulldozer
A bulldozer is a large tractor that moves earth.

bull shark
The bull shark is a dangerous predator that has a flattened snout.

bull snake
Also known as the gopher snake and the pine snake, this hissing constrictor lives in North America.


bully
A bully is person who is mean to others.

bun
A bun is a sweet roll.

bunny
A bunny is a young rabbit.
burrow
Burrows are tunnels that some animals dig. Many animals live underground in burrows.

bus
A bus is a large vehicle that can take many passengers to places.


butte
A butte is a hill-like formation that has a flat top and steep walls. It usually occurrs in dry areas.

butter
Butter is a rich spread made from cream.

butterfly
A butterfly is an insect that has beautiful wings. The butterfly begins its life as caterpillar, and later changes into a butterfly.

button
A button is used to fasten clothes.


Ca
Ca Ce Ch Ci-Cl Co Cr Cu-Cy


cab
Cab is another word for taxi.

cabin
A cabin is a small, simple house.
cactus
A cactus is a prickly plant that lives in dry places.

caiman
The caiman is a meat-eating reptile from South and Central America.

cage
Some people keep birds in cages.


cake
Cake is a sweet dessert.

calculator
A calculator is a machine that solves math problems.

calendar
A calendar lets you know what day it is.

calf
A calf is a young cow.

California
California is a state on the western coast of the United States of America. Its capital is Sacramento.


California poppy
The California poppy is a small, cup-shaped flower that lives in dry areas.

Camarasaurus
Camarasaurus was a long-necked dinosaur over 60 feet long.

camel
Camels are large mammals that live in dry areas. The camel's hump is filled with fat.

camera
You can take pictures with a camera.

camouflage
When someone or something is camouflaged, it blends in with its surroundings, becoming hidden.


camper
You can travel and sleep in a camper.

camp fire
A camp fire is a fire made during a campout; it is used to cook food and to warm up people in cold weather.

camping
When people go camping, they go into an outdoor area and sleep in a tent, cabin or camper.

can
Some food and drinks come in cans.

can opener
A can opener is a device that opens cans.


Canada
Canada is a large country in North America. The capital city of Canada is Ottawa.

Canada goose
The Canada goose is a large North American bird that honks.

canary
Canaries sing very well.
candle
A candle is a stick of wax with a wick that can burn.

candy
Candy is very sweet.


cane
A cane is a walking stick.

canoe
A canoe is a small boat.

canyon
A canyon is a deep valley with very steep sides - often carved from the Earth by a river.

cap
A cap is a type of hat.

cape
A cape is a flowing piece of clothing that hangs loose on your shoulders.


cape
A cape is a pointed piece of land that sticks out into a sea, ocean, lake, or river.

Cape buffalo
The Cape Buffalo is a large, hoofed mammal that lives in African savannas (grasslands).
Cape hunting dog
The Cape hunting dog hunts in packs in Africa. A B C

capital letters
Capital letters (also called upper-case letters) are used at the beginning of sentences and proper nouns (like people's names).
capybara
The capybara is the biggest rodent in the world.


car
You can travel in a car.

caravel
The caravel is a large sailing ship that was first made in Portugal in the late 1400's. Many world explorers used caravels.

card
You can send a card to a friend.

cards
Some people play games with cards.

cardinal
The Northern Cardinal is a bird with a short, wide bill. The male is bright red; the female is brownish-red.


caribou
Caribou live in Arctic regions.
carnation
A carnation is a flower; it can be white, pink, or red.

carnivore
Carnivores are organisms that eat meat.

Carnotaurus
Carnotaurus was a meat-eating dinosaur with horns on its head.
carpet
A carpet is a floor covering made of woven yarn or thick fabric.


carrot
A carrot is an orange vegetable that grows underground.

cart
A cart is a wheeled vehicle that is pulled or pushed by an animal or a person.

carton
Some liquids (like milk and orange juice) are packaged in cartons.
Carver, George Washington
George Washington Carver (1865?-1943) was an American scientist, educator, humanitarian, and former slave who developed hundreds of products from peanuts, sweet potatoes, pecans, and soybeans, greatly improving the agricultural output of Southern farmers.

cassowary
A huge, flightless bird from Australia with a helmet-like crest on its head.


cast
A cast is a hard, stiff, thick bandage (made of plaster or fiberglass) that is used to set a broken bone.

castle
A castle is a huge, fancy building where a king or queen lives.

cat
Cats are mammals and are great pets. Cats were revered by the ancient Egyptians.

caterpillar
A caterpillar eats a lot and will turn into a butterfly or a moth. It is also called a larva.

cauliflower
Cauliflower is a white vegetable; it is related to broccoli.


cave
A cave is a large hole in the ground or in the side of a hill or mountain.

cave art
Cave art is drawings that were drawn on the walls of caves.
cave bear
The cave bear, Ursus spelæus, is a huge, extinct bear known only from fossils. It lived in Europe and was hunted by Stone Age people.

cavity
A cavity is a rotten spot in a tooth.


celery
Celery is a crisp, green vegetable.

cell
Cells are the building blocks of all plants and animals.

cello
A cello is a large string instrument.

cent
Cent is another word for penny.

center
When something is in the center, it is in the middle position.


centigrade
Centigrade is a measure of temperature that is abbreviated C. Water freezes at 0°C and boils at 100°C.

centimeter
A centimeter is a unit of measurement that is equal to one-hundreth of a meter.

centipede
A centipede is a small predatory animal with many legs.

Centrosaurus
Centrosaurus was plant-eating dinosaur with a long snout horn.


century
A century is 100 years.

Ceratosaurus
Ceratosaurus was a meat-eating dinosaur from the Jurassic period. It had a small horn on its snout.




chain
A chain is made up of many links.

chair
A chair is a piece of furniture that people sit on.

chalkboard
You can write with chalk on a chalkboard.

chameleon
Chameleons are lizards that can change their skin color.

champion
A champion is the winner of a game or other competition.


change
Your change is the money you get back after paying for something.
change purse
Coins are carried in a change purse.

check
A check is mark that is used to note that something has been done or is correct.
check
A check is a piece of paper that is an order for a bank to pay money from a bank account.
checkbook
Checks are kept in a checkbook.


checkers
Checkers is a two-player game that is played on an 8 by 8 square game board.

chart
A chart is a diagram, like a graph or a table, that shows the relationships between things.
cheek
The cheeks are the sides of the face between the mouth area and the ear.

cheese
Cheese is a food made from milk.

cheetah
The cheetah is the fastest land animal.


chef
A chef cooks food.

cherries
Cherries are a sweet, tangy, red fruit.

chick
A chick is a baby chicken. Some other baby birds are also called chicks.

chicken
A chicken is a farm animal.

Chihuahua
The Chihuahua is a small, alert dog from Mexico.


child
A child is a young person.

children
Children are young people.

chimney
A chimney is a structure in which you can build a fire.

chimpanzee
Chimpanzees are very intelligent animals. These mammals live in western and central Africa.
chin
The chin is the part of the face below the mouth.

China
China is a large country in Asia.

china
China is well-made pottery that was first made in China.
chinchilla
Chinchillas are soft rodents that live high in the Andes Mountains of South America.
chipmunk
Chipmunks are rodents that live in North America and Asia.

chisel
A chisel is a tool used to carve wood, marble, or other materials.


chocolate
Chocolate is a tasty treat made from cocoa beans and sugar.

chop
When something is chopped, it is cut into smaller pieces.

chopsticks
Chopsticks are eating utensils used by many people in Asia.

chrysalis
A chrysalis is the stage in a butterfly's life when it is changing from a caterpillar into a butterfly. It is also called the pupa.

church
Some people worship in churches



cicada
A cicada is a flying insect with big eyes and clear wings. It has a very long life cycle and the males make a buzzing sound.

circle
A circle is round. All of the points on a circle are the same distance from the center.

circus
A circus is a traveling show that has acrobats, clowns, and animals.

city
A city is a place where a lot of people live.

clam
Clams are animals with two shells. They burrow under the sand.


clap
When you clap your hands together they make a noise.

clarinet
The clarinet is a woodwind instrument.

claw
A claw is a hard, sharp, curved nail on the feet of some animals. Bears, cats, birds, dinosaurs, and many other animals have claws.

clay
Potters make beautiful things out of clay, like mugs, plates, and bowls.

clean
When something is clean, it is not dirty.


cliff
A cliff is a steep face of rock and soil.

clock
If you want to know what time it is, look at a clock.

clockwise
Something that travels in a clockwise direction rotates in the same direction as a clock.

clones
Clones are copies of things.

closed
When something is closed, it is not open. The door is closed.


clothes
People wear clothes.

clothes hanger
We hang up clothes on clothes hangers.

clothespin
Clothespins are used to hang wet laundry on a clothes line to dry.

cloud
Clouds are white or gray object that floats in the air and contains tiny water drops or ice particles.

clown
Clowns are people who dress up in funny clothes and try to make you laugh.



coat
A coat helps you keep warm when it is cold.

coati
(pronounced ko-WAH-ti) Coati (also called coatimundi) are long-nosed, long-tailed mammals from the Americas.

cobra
Cobras are venomous snakes.

cockatoo
Cockatoos are birds that have a large, feathery crest and a hooked bill. They are from Australia and Indonesia.


cocker spaniel
The cocker spaniel is a friendly, obedient dog that was originally bred to hunt birds.
cocoon
A cocoon is a silky covering made by a caterpillar. The cocoon protects the developing moth.

Coelacanth
The Coelacanth (pronounced SEE-la-canth) is a primitive fish that was thought to have been extinct for millions of years, but a living Coelacanth was caught in 1938.

coffee
Coffee is a drink made from roasted coffee beans.

coffin
A coffin is a box that holds a dead body.


coin
A coin is a piece of metal money.

cold
We shiver when it is cold.
collie
The collie is a friendly, intelligent, and obedient dog

colon
The colon is part of the digestive system. The colon absorbs water from the partly-digested into the body. :

colon
A colon is a punctuation mark that is used to introduce a list in a sentence or a quote, to separate two major parts of a sentence, to indicate a ratio (like 1:2) or a time (8:15). For example: These students were on the honor roll: Lisa, Jason, and Jessica.


Colorado
Colorado is a state in the western United States of America. Its capital is Denver.
coloring book
You can color the pictures in a coloring book.
color
There are many colors, light and dark, bright and dull.

colorful
Something that is colorful is brightly colored or has many colors.

color wheel
A color wheel is a device that shows the relationships between colors.
Columbus, Christopher
Christopher Columbus (1451-1506) was an Italian explorer who sailed across the Atlantic Ocean in 1492, reaching North America. He and his crew sailed the Niña, the Pinta, and the Santa Maria, hoping to find a route to Asia. Columbus Day is celebrated in the USA on the second Monday in October.

comb
A comb is a used to smooth or untangle hair.

comet
A comet is the a small, icy object that orbit the Sun. It's tail always points away from the sun.

comic book
A comic book is a book whose story is told in colorful pictures and some words.
,

comma
A comma is a punctuation mark used to separate words or phrases in a sentence.

compass
A compass always points north.

compass rose
A compass rose is a design on a map that shows direction. It points which way is north, south, east, west, and some intermediate directions on the map.

compost
Compost is decayed organic matter that enriches soil.

Compsognathus
Compsognathus is the smallest dinosaur yet discovered.


computer
A computer is an eectronic machine that stores and handles large amounts of data. You are using a computer right now.

conch
The conch is a large, shelled animal from warm seas.

cone
A cone is a shape that has a point at one end and a circular opening at the other end.

Conestoga wagon
US pioneers used Conestoga wagons pulled by oxen or horses to move their belongings westward. They are also called covered wagons or prairie schooners. and, or

conjunction
A conjunction is a word that joins other words, phrases, clauses or sentences. Some conjuntions are: and, as, because, but, or, since, so, until, and while.


Connecticut
Connecticut is a state in the northeastern United States of America. Its capital is Hartford.

connect-the-dots
When you do a connect-the-dots puzzle, you make a picture.

constellation
A constellation is a group of stars that we see in the sky. They are not necessarily located together in space, but looks as though they are from Earth.

constitution
A constitution is a document that outlines the laws and principles of a nation or organization. The US Constitution was written in 1787 and ratified in 1789.


container
A container can hold things.

continent
The land mass on Earth is divided into continents. The seven continents are Africa, Antarctica, Asia, Australia, Europe, North America, and South America. can't

contraction
A contraction is a word in which some letters have been omitted; the omitted letters are indicated by an apostrophe. For example, "do not" can be written as the contraction "don't" and "I would" can be written as the contraction "I'd."

cookie
Cookies are small, sweet, baked treats.

cookiecutter shark
The cookiecutter shark is a small shark that takes circular bites out of its prey. Also known as the luminous or cigar shark.


coral
Coral is a tiny ocean animal that lives in colonies. Some corals leave a hard, stony skeleton when they die.

coral reef
Coral reefs are warm, clear, shallow ocean habitats that are rich in life.

cork
A cork is used as a bottle stopper. It is made from tree bark.

corn
Corn is a yellow vegetable you can eat on its cob. Corn was grown by Native Americans for thousands of years before the Europeans settled in North America.

cornucopia
A cornucopia, also called a horn of plenty, is a horn-shaped basket that is filled with fruit and grains. It is a symbol of abundance and prosperity.


Corythosaurus
Corythosaurus was a plant-eating, duck-billed dinosaur that was about 30 feet long.

costume
People wear costumes to pretend they are someone or something else.

cotton candy
Cotton candy is a sweet treat that is spun from sugar.

couch
A couch is a big, soft piece of furniture that many people can sit on.

cougar
A long-tailed wild cat with no spots. It is also known as the puma, panther, mountain lion, and catamont.


counterclockwise
Something that travels in a counterclockwise direction rotates in a direction opposite to that of a clock.

couple
A couple refers to two people or two objects.

courage
A quality in which a person can face danger or pain without showing excessive fear.

cove
A cove is small, horseshoe-shaped body of water along the coast; the water is surrounded by land formed of soft rock.

covered wagon
US pioneers used covered wagons pulled by oxen or horses to move their belongings westward. They are also called Conestoga wagons or prairie schooners.


cow
Most of the milk we drink comes from cows.
coyote
Coyotes are meat-eating animals that are related to wolves.

coypu
Coypus (also called nutrias) are semi-aquatic rodents that are originally from South America.


crab
A crab has a hard shell and eyes on stalks on its head.

cradle
A cradle is a small bed for a baby.

crafts
Crafts are fun, artistic activities.

crane
The crane is a wading bird with a long neck, a long bill, and long legs.

crawl
Babies crawl to move around.


crayfish
Crayfish are freshwater crustaceans with four pairs of walking legs.

crayons
Crayons are colorful wax sticks that are used for drawing.

cream
Cream is the richest part of milk. Butter and ice cream are made from cream.
credit card
A credit card is a card that lets you buy things on credit -- you pay for the items later.

crescent
A crescent is the shape of the moon around the time of the new moon.


crescent moon
A crescent moon is smaller than a half moon.


Cretaceous period
Dinosaurs like Tyrannosaurus rex and Triceratops lived during the Cretaceous period. This geological period lasted from to 146 to 65 million years ago.

cricket
Crickets are noisy, jumping insects.

Crockett, Davy
Davy Crockett was an American frontiersman, trapper, soldier, legislator, and folk hero.

crocodile
Crocodiles are meat-eating reptiles with a long, tapered snout.


crosswalk
A crosswalk is a marked area on a street where it is safer to cross.

crossword puzzle
A crossword puzzle has interlocking words that you guess from clues.

crow
A crow is a very smart black bird.

crown
A crown is a fancy hat worn by kings and queens.

cry
Sometimes people cry when they're sad or upset.


crystal
Crystals are solids whose atoms form a very regular pattern.



cube
A cube is a solid geometric figure with six square faces.

cuckoo
Cuckoos are birds whose call sounds like coo-coo.

cuckoo clock
A cuckoo clock has a mechanical bird that sings every hour.

cucumber
Cucumber is a cool, crisp vegetable that is good in salad.


cuisine
A cuisine is a style of preparing food.

cup
You can drink from a cup.

cup
A cup is a unit of measure of volume equal to eight ounces of water. Two cups are a pint and four cups are a quart.

cupboard
Things are stored in cupboards.


cupcake
A cupcake is a tiny cake.

cursive letters
Cursive letters are curved letters that connect to one another.

curtains
Curtains are cloth hung on and around a window.

curve
A curve is a wavy line.

cut
When something is cut, it is divided or wounded with a sharp object, like a knife.


cuttlefish
The cuttlefish is a close relative of the octopus and the squid.

cyclist
A cyclist is someone who rides a bicycle.
cyclone
A cyclone is a storm of rapidly spinning air that is very dangerous.

cylinder
A cylinder is a figure with a long round body .

cymbals
Cymbals are musical instruments. You bang or hit these percussion instruments together to make a sound.




dachshund
The Dachshund is an active dog with a long body and short legs.

dad
Dad is another word for father.

daffodil
The daffodil is a yellow flower that blooms early in the spring.

daisy
The daisy is a pretty flower.

Dalmatian
The Dalmatian is a white dog that has dark spots.


dance
When you move your body rhythmically, you are dancing.

dandelion
Dandelions are weeds with pretty yellow flowers that turn into seed puff-balls.

danger
It's best to avoid danger.

dark
When it is dark, there isn't much light.

darkling beetle
The mealworm is the larval stage of the darkling beetle.


dart
A dart is a small, pointed object that is thrown at a target in a game.

dartboard
A dartboard is the target used when playing darts.

daughter
A daughter is a female offspring.

day
The sun is up during the day.

December
December is the twelfth month of the year.


deciduous
A deciduous plant loses its leaves in the winter. Apple trees are deciduous.

deer
Deer are long-legged mammals that have hoofed, two-toed feet.

Deinonychus
Deinonychus was a killer dinosaur that was about 5 feet tall. It had a large, sickle-shaped claw on each foot.

Delaware
Delaware is a state in the eastern United States of America. Its capital is Dover. Delaware was the first state to ratify the United States constitution (on December 7, 1787).


denominator
The denominator is the bottom number in a fraction.

desert
A desert is a very dry area.

desk
People write and study at their desks.

dessert
Desserts are sweet treats.

device
A device is a piece of equipment that does a job. For example, a can opener is a device that opens cans.


diameter
The diameter is the longest distance from one side of a circle (or a sphere) to the other.

diamond
A diamond is a very hard, shiny jewel.

diamond
A diamond is a four-sided figure whose sides are all the same length. People play baseball on a diamond-shaped field.

dice
Dice are cubes with numbers on each side that are used in games. A single one is called a die.

dictionary
A dictionary is a book that explains what words mean.


diet
A balanced diet is good for you.

different
When things are different they are not the same.

Dilophosaurus
Dilophosaurus was a meat-eating dinosaur that had two crests on its head.

dime
A dime is a US coin worth ten cents.

Dimetrodon
Dimetrodon was a prehistoric animal, but not a dinosaur. It had a large sail of skin on its back and was a meat-eater.


dingo
The dingo is a wild dog from Australia.

dinner
Dinner is a meal that is eaten in the evening.

dinosaur
Dinosaurs are ancient reptiles that are now extinct. They lived during the Mesozoic Era, from about 230 million to 65 million years ago.

dinosaur game
You can make silly dinosaurs with this dinosaur game. HA HA!


dinosaur jokes
If dinosaurs told jokes, they'd tell dinosaur jokes!



diorama
A diorama is a small scene representing a time, a place, and characters.

Diplodocus
Diplodocus was a huge, plant-eating dinosaur that had a long neck, a small head, and a long, whip-like tail.

dirt
Dirt is another word for soil.

dirty
When something is dirty, it is not clean.

disc
A compact disc contains a lot of encoded information, like computer games or music.


disk
A disk is a round, flat object.

dish
We eat food on a dish.

diver
Divers swim under the water.

dividend
The dividend is the number that is divided (in long division). The dividend divided by the divisor is the quotient (plus a remainder).

division
Division is an operation that divides a number into portions.


divisor
The divisor is the number that the dividend is divided by (in long division). The dividend divided by the divisor is the quotient (plus a remainder).

DNA
DNA is a complex molecule that carries genetic information.

Doberman
The Doberman is a loyal, intelligent dog.

doctor
A doctor can help you when you're sick or hurt.

dodecahedron
A dodecahedron is a twelve-sided geometric solid whose faces are pentagons.


dodo
The dodo is an extinct, flightless bird that lived on an island in the Indian Ocean near Africa.

dog
Dogs wag their tails when they're happy.

dogfish shark
The dogfish shark is a small, very common shark that is found all over the world. It is not dangerous to people.

doghouse
Some dogs live in doghouses.

doll
Dolls are toys that look like tiny people.


dollar
A dollar is worth 100 cents.

dollhouse
A dollhouse is a tiny house for dolls.

dolphin
A dolphin is a marine mammal with a long nose and teeth. Dolphins are whales.

dominoes
Dominoes is a game played with tiles that have numbers on them.

donkey
Donkeys can be very stubborn.


doodle
A doodle is a quick drawing done with little thought.

door
You can go in and out through a door.

dot
A dot is a tiny speck. 2 x
double
Double means twice or two times.

double bass
The double bass is a very large string instrument.


doughnut
Doughnuts are sweet and have a hole in their middle.

dove
The dove is a bird that is a symbol of peace.

down
Down is the opposite of up. ****
****
****
12
dozen
Dozen is another word for twelve.

dragon
A dragon is a big, scary, fire-breathing, make-believe beast.


dragonfly
A dragonfly is a beautiful, flying insect that can hover in the air.

Drake, Francis
Sir Francis Drake (1545-1596) was a British explorer who sailed around the world in a voyage lasting from 1577 to 1580. He led this expedition that was the second to sail around the world (Magellan led the first).

drapes
Drapes are cloth hung on and around a window.

drawing
A drawing is a picture of something.

dreidel
Dreidel is a game played at Hanukkah.


dress
A dress is a piece of clothing with a top and a skirt.

dresser
A dresser is a piece of furniture in which you can store things.

drill
A drill makes holes in things.

drink
People need to drink water every day.

dropper
A dropper is used to drop liquids one drop at a time.


drum
Drums are very noisy musical instruments.

Dryosaurus
Dryosaurus was an early, plant-eating dinosaur.

duck
Ducks are birds that have webbed feet and a flattened bill. They swim well and live near the water.

duckling
A duckling is a young duck.

duck-billed platypus
The Duck-billed Platypus is a primitive mammal from Australia that lays eggs and has a poisonous spike on its leg.

duet
When two people perform music together, it is called a duet.

dugong
Dugongs are gentle, slow-swimming, aquatic mammals.

dump truck
A dump truck is a truck that can carry and then dump its load (like gravel or soil). A dump truck toy is a great in a sandbox.

Dunkleosteus
Dunkleosteus is an extinct, heavily armored fish that lived about 400 million years ago.

dust storm
A dust storm is a very strong wind that carries dust across the land. Dust storms occur in dry areas, like deserts

E is for ...


each
Each child has a balloon.

eagle
The eagle is a large bird of prey. It has a hooked bill and sharp talons.

ear
We hear things with our ears. Our ears give us a sense of hearing.

early
When something is done early, it happens in the beginning of the day or before the expected time. The sun rises early in the day

earn
You can earn money by working.


earring
Earrings are jewelry for the ears.

earmuffs
Earmuffs keep your ears warm.

Earth
The Earth is the third planet from the sun. It's where we live!

earth
Earth is another word for soil.

Earth Day
Earth Day is a holiday in spring when we remember how precious our planet is.


earthworm
An earthworm is a little animal with a long, soft body and no legs.

earwig
An earwig is an insect with long pincers at the tip of its abdomen.

easel
Some artists draw at an easel.

east
East is a compass direction. East is opposite west.

eat
We eat when we are hungry.


echidna
The echidna is a primitive, spiny, egg-laying mammal from Australia and New Guinea. It is also called the spiny anteater.

echolocation
In echolocation (also called sonar), a high-pitched sound (usually clicks) is sent out. The sound bounces off the object and some returns. The returning echo is interpreted to determine the object's shape, direction, distance, and texture. Dolphins (and other toothed whales) and some bats use sonar to navigate and find prey.

eclipse
An eclipse happens when the moon blocks out light from the sun or the Earth's shadow goes across the moon.
Edison, Thomas
Thomas Alva Edison (1847-1931) was an American inventor whose many inventions revolutionized the world. His work improved the light bulb; he invented the phonograph, the carbon telephone transmitter, and the motion-picture projector.

Edmontonia
An armored, plant-eating dinosaur from North America.


Edmontosaurus
Edmontosaurus was a duck-billed dinosaur.

eel
The eel is a long, snake-like fish.

egg
Many animals hatch from eggs. Dinosaurs hatched from eggs. People eat a lot of chicken eggs.

egg carton
An egg carton holds eggs and keep them from breaking.

eggplant
An eggplant is a purple vegetable.


egret
The egret is a large wading bird.

Egypt
Egypt is a country in northeastern Africa. The capital of Egypt is Cairo. The great pyramids are in Egypt.

eight
Spiders have eight legs. Stop signs have eight sides. 18

eighteen
Eighteen is the number between seventeen and nineteen. 80

eighty
Eighty is the number between seventy-nine and eighty-one.

Elasmosaurus
Elasmosaurus was a huge marine reptile - a plesiosaur, not a dinosaur.

elbow
The elbow is the joint in the middle of your arm.

electric eel
The electric eel is a fish that can generate electricity.

electric guitar
The electric guitar is an electronically-enhanced stringed instrument.

electricity
Many devices are powered by electricity, including lights, TVs, radios and computers.


elephant
The elephant is a big, gray animal with a trunk.

elephant seal
The elephant seal is a huge seal that lives in the Pacific Ocean.

elevator
An elevator carries people and things up and down a tall building. 11

*****
******

eleven
Eleven is ten plus one.

elk
Elk are large mammals that are related to deer.


ellipse
An ellipse is a flattened circle. ...

ellipsis
An ellipsis is three dots in a row; it is used to indicate that part of a sentence or sequence has been omitted. It is spoken, "dot, dot, dot." One example of the use of an ellipsis is: Smith said, "Rome had many terrible leaders, ... who caused the Empire to fall." Another example is the mathematical series: 1,3,5,9,... (the rest of the odd numbers are implied but not written down).

elm
The elm is a large, fast-growing deciduous tree.

e-mail
E-mail is a message you send to someone on the computer.

embryo
An embryo is a very young, unborn organism.


emerald
An emerald is a hard, shiny, deep green jewel.

emerald tree boa
The emerald tree boa is a tree-dwelling nocturnal snake from South American rain forests.

emperor
An emperor is an unelected ruler of a country.
emperor angelfish
The emperor angelfish is a brightly-colored, flattened fish that lives in shallow warm waters.

emperor penguin
The emperor penguin is the largest penguin; it lives on ice packs in Antarctica.


empty
When something is empty, it has nothing in it. The jug above is empty.

emu
The emu is a large Australian bird that cannot fly.

endangered species
Endangered species are types of animals or plants that may become extinct soon.

energy
Everything needs energy to work or act. Some types of energy include electrical energy, mechanical energy, and potential energy.

engine
The engine of a train pulls the railroad cars along the track.


engine
The engines of an airplane propel it through the air.

English horn
An English horn is a woodwind instrument.

entrance
You can go into an area through an entrance.

envelope
An envelope holds a letter.

environment
The environment is our surroundings: the air, water, plants, animals and the Earth.


Eohippus
Eohippus was a tiny horse that lived 50 million years ago. It is extinct.

Eoraptor
Eoraptor is the oldest known dinosaur. =

equal
When two things are equal they are exactly the same in number, quality, or amount.

equator
The equator is an imaginary circle around the earth, halfway between the North and South Poles.

equilateral triangle
The sides of an equilateral triangle are all the same length.


eraser
An eraser rubs off pencil marks.

estuary
An estuary is where a river meets the sea or ocean.

Euoplocephalus
Euoplocephalus was an armored, plant-eating dinosaur.

Europe
Europe is a continent in the Northern Hemisphere. Europe borders Asia. Some of the many countries in Europe include England, Ireland, France, Italy, Germany, Greece, Spain, Poland, Romania, and part of Russia.

evaporation
Evaporation is the process in which a liquid goes into its gaseous form, for example, when liquid water becomes water vapor.


evening
Evening is the late part of the day and the early part of the night. 0, 2, 4, 6, 8, 10, ...

even number
An even number is divisible by two.

evergreen
An evergreen plant doesn't lose its leaves in the winter.

every
Every child has a balloon.

exam
An exam is a test.


excellent
When something is excellent, it is very, very good. !

exclamation point
An exclamation point is a punctuation mark that is used to show strong feeling!

exercise
Exercise is very good for you.

exit
You can leave an area through an exit.

experiment
People do experiments to learn about the physical world or to test theories.


explorer
An explorer explores unknown places and discovers new things. For example, Magellan was an explorer who led the first expedition that sailed around the Earth.

extinct
When a group of animals or plants goes extinct, they are gone forever. Some extinct animals include dinosaurs, saber-toothed cats, and dodo birds.

eye
We see with our eyes. Our eyes give us a sense of sight.

eye
Thread goes through the eye of a needle.

eyebrow
The eyebrows are dense patches of hair above the eyes.


eyedropper
An eyedropper is used to drop liquids one drop at a time.

eyeglasses
Eyeglasses help some people see more clearly.

eyelash
Eyelashes are long hairs on the edges of the eyelids.

eyelid
Eyelids are flaps of skin that cover and protect our eyes.


F is for ...


Fabrosaurus
Fabrosaurus was small, primitive plant-eating dinosaur from South Africa.

face
This is a funny face!

factory
Many items, like cars, are made in factories.

Fahrenheit
Fahrenheit is a measure of temperature that is abbreviated F. Water freezes at 32°F and boils at 212°F.

falcon
The falcon is a fast-flying bird. It prey upon other birds.


fall
If you lose your balance, you can slip and fall.

fall
Fall is the season between summer and winter. Another name for fall is autumn.

falling star
A falling star is not a star; it is a meteor (made of rock and/or iron) which is burning up in the Earth's atmosphere.

family
A family is a group of related people.

fan
A fan is a machine that makes a breeze.


farm
Farms are where plants are grown and animals are raised.

farm animals
Farm animals are very useful to people.

farmer
Farmers produce food by growing plants and tending animals.

fast
The girl can run very fast.

fat
The opposite of fat is thin.


father
A father is a man who has a child.

faucet
You can turn water flow on or off at a faucet.

fawn
A fawn is a young deer.

feather
Birds have feathers.

February
February is the second month of the year.


feet
We have ten toes on our feet.

femur
The femur is the upper leg (thigh) bone. It is the longest bone in the human body.

fence
A fence is a type of barrier.

fern
A fern is a lacy, primitive plant.

ferret
Ferrets are a type of weasel.


fiddle
Fiddle is another word for violin. It is a stringed musical instrument.

fiddler crab
The fiddler crab is small crab that lives on beaches. The male fiddler crab has one enlarged claw. 15
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fifteen
Fifteen is the number after fourteen (14) and before sixteen (16). 50
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fifty
Fifty is the number after forty nine (49) and before fifty one (51).

file
A file is used to smooth things.


file folder
Papers are often stored in file folders.

fin
Fish use their fins to swim.

finger
We have five fingers on each hand.

fingernail
Fingernails grow at the ends of your fingers.

fingerprint
The pattern marks on our fingertips are fingerprints.


fingers
We have ten fingers on our two hands.

fin whale
The fin whale is a very large baleen whale. It is the second largest animal in the world.

fire
Fire is very hot.

firefighter
A firefighter is a person who puts out fires and saves people's lives.

firefly
The firefly (also known as the lightning bug) is a glowing, flying insect.


fire hydrant
Fire fighters hook a hose up to a fire hydrant to get water.

fireplace
You can make a fire in a fireplace to keep you warm.

first
The first person or thing comes before the others.

fir tree
A fir is an evergreen tree; it doesn't lose its leaves in the winter.

fire truck
Fire fighters on a fire truck help put out fires.


fireworks
Fireworks are beautiful explosions in the sky that people send up for a celebration.

fish
Fish live in the water and breathe with gills.

fish bowl
Fish swim around and around a fish bowl.

fishhook
You can catch fish with a fishhook on a line.

fishing rod
People use fishing rods to catch fish.


five
People have five fingers on each hand.

fjord
A fjord is a long, narrow sea inlet that is bordered by steep cliffs.

flag
A flag represents a country state, province, or city.

Flag Day
Flag Day is a holiday that celebrates the flag of a country. In the USA, Flag Day is celebrated on June 14 each year.
flame
A flame is a fire.


flamingo
The flamingo is a pink bird that eats shrimp.

flashlight
A flashlight helps you find your way in the dark.

flea
A flea is a tiny insect that is a parasite on other animals. Many cats and dogs get fleas.

flipper
Flippers are wide, flat limbs that many marine animals use for swimming. Seals and whales have flippers.


Florida
Florida is a state in the southeastern United States of America. Its capital is Tallahassee.

flour
Flour is ground up grain (like wheat). Bread is made from flour.

flower
A flower makes seeds. Flowers are a plant's reproductive organs. Hummingbirds, bees, butterflies, and other animals drink the sweet nectar that is made by flowers.
flukes
The tail of whales and dolphins is called the flukes (each half of the tail is called a fluke). Flukes have no bones in them. Whales swim by moving their flukes up and down in the water (fish move their tail left to right).


flute
The flute is a woodwind instrument.

fly
The fly is a small, flying insect.

fly
Many animals, like flies, butterflies and birds, can fly. People can fly in airplanes and helicopters.

flying squirrel
Flying squirrels glide from trees, using a loose flap of skin between their legs and arms.

foal
A foal is a young horse.

Once upon a time...

folk tales
Folk tales are stories that are passed on from generation to generation.

food
We eat food to get energy and to grow.

food pyramid
The food pyramid is a diagram that lets you know the US government's recommended diet.

food chain
A food chain is is the sequence of who eats whom in a biological community (an ecosystem) to obtain nutrition. A food web is all of the interactions between predators and prey in which plants and animals obtain food in an ecoystem.

foot
We have five toes on each foot.


foot
A foot is a unit of measurement that is equal to twelve inches.

football
Football is played with an oddly-shaped ball in the USA.

footstool
A footstool is a small piece of furniture.

forehead
The forehead is the part of the face that is above the eyebrows and below the hair.

forest
A forest is a large group of trees and underbrush where many animals live.


forget-me-nots
Forget-me-nots are plants that have beautiful blue flowers.

fork
Forks are used for eating solid food. 40
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forty
Forty is the number after thirty nine (39) and before forty one (41).

fossa
The fossa is a meat-eating mammal from the island of Madagascar.

fossil
Fossils are mineralized impressions or casts of ancient animals and plants.


four
Squares have four sides. Cats and dogs have four legs. 14
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fourteen
Fourteen is the number after thirteen (13) and before fifteen (15).

fox
The fox is a meat-eating mammal with a long, bushy tail.

fractal
Fractals are patterns within patterns within patterns. 1/2

fraction
A fraction is a part of a whole. Half of an apple is a fraction of an apple. The top number in a fraction is called the numerator; the bottom number in a fraction is called the denominator.


frame
People put pictures and photos in frames to protect them and make them look nice.

Franklin, Benjamin
Benjamin Franklin (1706-1790) was an American statesman, printer, writer, scientist, and inventor. Franklin was involved in the founding of the USA. He invented bifocal glasses and the Franklin stove. He also experimented with electricity. In 1752, his experiments with a kite in a thunderstorm (never do this, many people have died trying it!) led to the development of the lightning rod.

freezer
A freezer keeps things icy.

French horn
The French horn is a brass musical instrument; it has a very long tube.

friends
Friends are people who like and respect each other.


frightened
When we are frightened, we are afraid.

frilled lizard
A lizard with a huge neck frill that it can raise to scare its enemies.

frog
Frogs are amphibians. They begin as eggs, hatch into tadpoles (who breathe with gills), and grow up to be frogs (who breathe with lungs and lose their tail).

fruit
Fruit is the part of some plants that contains the seeds. Apples, strawberries, oranges, and bananas are fruit.

fruit bat
Fruit bats are large flying mammals that eat fruit and flowers.


frying pan
You can cook food in a frying pan.

full
This glass is full. Empty is the opposite of full.

full moon
A full moon appears as an entire circle in the sky.

funnel
A funnel is a device that lets you pour things from one container to another.

funnel
The funnel is the smokestack of a ship or a train.


fur
Fur is soft, thick hair. Many animals have fur, including cats, seals, and bats.

furniture
Tables, chairs, sofas, and beds are furniture.

fuselage
The fuselage is the main body of an airplane.


G is for ...


galaxy
A galaxy is an enormous group of stars.

game
People enjoy playing games.

Gandhi, Mohandas
Mohandas Gandhi (1869-1948) was a great Indian man who used non-violent techniques to obtain India's independence from Britain.

garbage can
Garbage cans hold garbage.

garbage truck
A garbage truck picks up garbage and hauls it to the dump.


garden
Plants grow in a garden.

gargoyle
Gargoyles are stone sculptures of grotesque creatures that sit perched atop some buildings; they act as waterspouts.

gate
A gate is a door in a fence.

gazelle
Gazelles live in herds in Africa.

gecko
Geckos are the only lizards that make noise.


gem
Gems sparkle and shine.

geography
Geography is the study of the location of people and features on Earth and how they interact.
geology
Geology is the study of the Earth's structure, including rocks and minerals.
geometry
Geometry is the mathematical study of points, lines, angles, and solids.

Georgia
Georgia is a state in the southeastern United States of America. Its capital is Atlanta.


gerbil
Gerbils are small rodents that some people keep as pets.

Gerrothorax
Gerrothorax was an ancient amphibian that lived over 200 million years ago - it is extinct.

geyser
A geyser is a natural hot spring that occasionally sprays water and steam above the ground.

ghost
Ghosts are make-believe. Boo!

giant anteater
The Giant Anteater is the biggest anteater. It is about 7 feet long.


giant ground sloth
A huge, extinct mammal that lived during the last Ice Ages. It is also called Megatherium. This plant-eater had hook-like claws.

giant panda
The giant panda is a black and white bear from China.

giant squid
Giant Squid swim deep in the oceans. They have ten arms and their eyes are the size of basketballs.

gibbon
Gibbons are rare, small, slender, long-armed, tree-dwelling apes from Asia.
gibbous moon
A gibbous moon is between a half moon and a full moon.


gift
It's nice to give gifts. It's nice to get them too.
Giganotosaurus
Giganotosaurus was the largest meat-eating dinosaur.

Gila monster
The Gila monster is a venomous lizard from deserts of southwestern North America. It is nocturnal (most active at night).

gills
Gills are organs that fish and amphibians use to breathe underwater.

gingerbread
Gingerbread is a spicy cookie. Gingerbread men and gingerbread women are cookies shaped like little people.

giraffe
The giraffe is the tallest land animal.

girl
A girl is a young woman.

give
When you let someone have something, you are giving it to them.

glacier
A glacier is a large, slowly-moving river of ice.

glass
We drink out of glasses.


glasses
Glasses help some people see more clearly.

globe
A globe is a small, spherical model of the Earth.

glove
We wear gloves to protect our hands.

glue
Glue is a substance that sticks things together.

Glyptodon
Glyptodon was a car-sized armadillo that lived during the Ice Ages.


gnat
A gnat is a very small flying insect.

gnu
The gnu is a fast-running grass-eater from Africa. It is also known as the wildebeest.

go
When you go, you are moving.

goat
Goats are sure-footed, hoofed mammals.

goblin shark
The Goblin shark has a very long snout.

gold
Gold is a precious metal. Coins and jewelry are made from gold. The Sacajawea US dollar coin above looks like gold.

golden retriever
A friendly, intelligent, energetic, and very popular dog.

goldfinch
The goldfinch is a small, seed-eating bird that lives in North America.

goldfish
A goldfish is a type of carp that makes a nice pet.

golf
Golf is a sport in which a ball is hit into a series of holes using golf clubs.


golf ball
A golf ball is a small ball used in golf - the ball sits on a tee in the grass.

golf club
Golf clubs are used to hit a golf ball.

gong
A gong makes a loud noise when you bang on it.

good
When something is good, it is has nice qualities. The opposite of good is bad.

goose
Geese are migrating birds that honk!


gorilla
Gorillas are intelligent mammals from Africa. They are in danger of extinction.

gosling
A gosling is a baby goose.

gown
A gown is a fancy dress.

grandfather
The father of your father or mother is your grandfather.

grandfather clock
A grandfather clock is a large, free-standing pendulum clock.


grandmother
The mother of your father or mother is your grandmother.

grandparents
Grandparents are grandmothers and grandfathers.

granite
Granite is a common type of igneous rock. Granite is formed in a slow cooling process.

grapefruit
Grapefruits are a type of citrus fruit that sometime squirt you when you eat them.

grapes
Grapes are delicious fruit that grow on vines.


graph
A graph is a diagram that shows relationships between things.

grass
Grass is a common flowering plant that is found all over the world.

grasshopper
The grasshopper is an insect that hops and flies. It can make noises by rubbing its legs together.

grater
A grater is a tool used to cut food into tiny pieces.

gray
Elephants are large, gray mammals. Gray paint can be made by mixing black and white paint.

gray whale
The gray whale is a baleen whale that eats tiny organisms from the mud on the bottom on the ocean.

gray wolf
Gray wolves are endangered meat-eaters from the North America.

Great Britain
The United Kingdom of Great Britain and Northern Ireland is a country in western Europe. It's capital is London.

Great Dane
The Great Dane is a large, short-haired dog that was originally bred to hunt large game.

great horned owl
The great horned owl is a large bird of prey from North and South America.

Great Lakes
The Great Lakes are five huge, connected lakes located between Canada and the USA. The lakes are (from biggest to smallest) Lake Superior, Lake Michigan, Lake Huron, Lake Erie, and Lake Ontario. These lakes were formed by glaciers during the last Ice Age.
Great Wall of China
The Great Wall of China is thousands of years old.

great white shark
The Great White shark is a large, meat-eating fish. >

greater than
The mathematical symbol > means "greater than." When one number is greater than a second number, the first one is bigger than the second. For example, 4 is greater than 2, or 4 > 2.
Greece
Greece is a country in southern Europe. Its capital is Athens. The Olympic Games originated in ancient Greece.


green
Grass, broccoli, and many other plants are green. You can make green paint by mixing blue and yellow paint.

green bean
A green bean is a long, thin, green vegetable. It is pod that contains bean seeds. It is also called a string bean.

greenhouse
A greenhouse is a building, usually made out of glass, in which people grow plants.

greyhound
The greyhound is the fastest breed of dog for short distance runs.

grin
A grin is a kind of wide smile that shows your teeth. People grin when they have a lot of different feelings.

grizzly bear
The grizzly bear is a large bear with a muscular hump on its shoulders.
groundhog
The groundhog is a rodent that is also called the woodchuck.
Groundhog Day
Groundhog Day is a holiday celebrated in February 2nd. If a groundhog sees its shadow on this day, cold weather is predicted; if it sees no shadow, mild weather is thought to follow.

guest book
People sign guest books to leave thoughts about their visit.
guinea pig
The guinea pig is a small, tailless rodent that is sometimes kept as a pet.


guitar
A guitar is a stringed instrument.

gulf
A gulf is a part of the ocean (or sea) that is partly surrounded by land (it is usually larger than a bay).

gull
Gulls are birds that live near oceans and lakes.

guppy
Guppies are a type of small tropical fish.

gyroscope
A gyroscope is a spinning wheel set in a movable frame. When the wheel spins, it is very hard to move the gyroscope - it essentially stays in its original orientation.

H is for ...


habitat
A habitat is the natural place where a plant or an animal lives. For example, a toucan's habitat is the rainforest.

Hadrosaurus
A duck-billed, plant-eating dinosaur from the late Cretaceous period.

haiku
Haiku, a poem,
Five, seven, five syllables.
Life frozen in words.

hail
Balls of ice that fall from clouds are called hail or hailstones.

hair
Hair grows on all mammals.


hairbrush
A hairbrush is used to brush and untangle hair. 1/2
half
When something is divided into two equal parts, each of these two parts is half of the original object.
half moon
A half moon looks like half a circle.
Halloween
Halloween is a spooky holiday celebrated on the last day of October. In the USA, children often dress up and eat a lot of candy for Halloween (often collecting it from the entire neighborhood).

ham
Ham is a type of meat that comes from the top part of a pig's leg.


hamburger
A hamburger is a cooked patty of ground beef, usually served in a bun.

hammer
A hammer is good for pounding nails into wood.

hammock
A hammock is a large net or cloth that is used for sleeping or relaxing; it is hung up by both ends.

hamster
A hamster is a small rodent that some people keep as pets.

hammerhead shark
The hammerhead shark has a head shaped like a hammer.


handle
You hold things by their handle.

hand
We can do amazing things with our hands.

handshake
A handshake is when two people grasp each other's hands, often as a greeting. Two people often shake hands when they meet.

hanger
We hang up clothes on hangers

happy
People usually smile when they're happy.


happy birthday
If today is your birthday, HAPPY BIRTHDAY!

hare
Hares have very long hind legs and long ears. Unlike rabbits, the young are born fully haired.

harlequin bug
This small agricultural pest is brightly-colored.
harmonica
A harmonica is a small, bar-shaped musical instrument; you play it by blowing through the holes.
harp
A harp is a musical instrument with many strings.


harp seal
The harp seal is a marine mammal that lives in the North Atlantic and in the Arctic Ocean.

harpy eagle
The harpy eagle is one of the largest eagles in the world. It lives in rainforests of Central America and South America.

hat
Some hats protect you from the sun. Some hats are just for fun!

hatchet
A hatchet is an ax with a short handle.

hatchetfish
Hatchetfish are oddly-shaped fish from South and Central America.


have
If you have something, you are in possession of it or it is a characteristic of yours.

Hawaii
Hawaii is the 50th state of the United States of America. Its capital is Honolulu. Hawaii became a state on August 21, 1959.

hawk
The hawk is a bird of prey, a raptor.

haystack
A haystack is a big pile of hay.


head
We all have a head on our shoulders.

healthy
When you are healthy, you are not sick.

heart
The heart is a shape that often symbolizes love.

hear
We hear things with our ears. Our ears give us a sense of hearing.

heart
Your heart pumps blood throughout your body.


hedgehog
A hedgehog is a small mammal with a spiny coat.

heel
The heel is the back part of the foot.

heir
An heir is a person who has inherited or will inherit something of value.

heiress
An heiress is a girl or woman who has inherited or will inherit a lot of money.

helicopter
A helicopter is a flying machine. It is kept in the air by a sideways propeller on top.


helmet
A helmet protects your head.

hemisphere
A hemisphere is half of a sphere.

hen
A hen is a female chicken. Hens lay eggs.

heptagon
A heptagon is a seven-sided figure.

herbivore
Herbivores are animals that eat plants. There are more plant-eaters than meat-eaters.


hermit crab
Hermit crabs are crabs that lack a hard shell; they use a discarded shell for protection.

hero
A hero is someone who is admired for great courage, noble character, and performing good deeds, like a firefighter.

heron
A large wading bird with distinctive plumage and a long, sharp bill.

Heterodontosaurus
Heterodontosaurus was a small dinosaur with three types of teeth.

hexaflexagon
A hexaflexagon is a folded geometric figure that can be "flexed" to expose its many sides.


hexagon
A hexagon is a six-sided figure. Beehives have hexagonal cells.
hibernate
Some animals hibernate during winter; they go into a very deep sleep-like state during freezing weather. They awaken only when the weather warms.

hieroglyphics
The ancient Egyptians wrote using hieroglyphics.

hill
A hill is a big mound or raised area of earth. A hill is smaller than a mountain.

hippopotamus
The hippopotamus (also called the hippo) is a large mammal that stays in the water a lot. This animal is nocturnal (most active at night).

hips
Your hips are below your waist and above your legs.

hive
A hive is a home for bees.

hoatzin
(pronounced wat-sin) The hoatzin is a strong-smelling, crested bird from South America that has claws on its wings when it is young.

hobo spider
The hobo spider is an aggressive, poisonous spider.
hoe
A hoe is a garden tool.


hog
A hog is a hoofed mammal that is similar to a pig.

hole
A hole is a hollow place or an opening in something. A hole in the ground is pictured above.

holiday
A holiday is a time to celebrate. Some holidays are St. Patrick's day, Mother's Day, Veteran's Day, Independence Day, and Thanksgiving Day.

holly
Holly is a tree with pointy leaves and red berries.

home
Home is where you live.


homophone
Homophones are words that sound like one another but have different meanings, like flower and flour.

honey
Honey is a sweet substance made by bees.

honey bee
Honey bees are insects that live in a hive and make honey.

honeycomb
Bees make honeycomb to store food and shelter their young.

hoof
A hoof is a hard, protective covering on some animals' feet. Some animals that have hooves are pigs, horses, zebras, and deer.


hook
A hook is curved.

horn
Horns are bony, permanent, hollow that grow in pairs on the head of some animals. Many animals have horns, including antelopes, bulls, sheep, and Triceratops.

horn
Horns are wind instruments. Your lips vibrate when you toot a horn.

hornet
A hornet is a kind of wasp, a flying, stinging insect.

horse
Horses are very fast runners.


horseshoe
A horseshoe is a metal protector for a horse's hoof.

horseshoe crab
The horseshoe crab is a hard-shelled animal that lives in warm coastal waters on the sea floor.
hose
Water flows through a hose.

hot
Fire is very hot.

hot-air balloon
Hot-air balloons float through the air.


hot dog
A hot dog is a type of cooked meat in the shape of a sausage; it is usually served in a long bun.

hound
Hounds are dogs that were originally bred to hunt animals.

hour
There are 24 hours in a day.

hourglass
An hourglass measures time as sand falls through a thin opening.

hour hand
An hour hand on a clock tells you what hour it is.


house
Some people live in houses.

house fly
The common house fly is a small, flying insect.

howler monkey
The howler monkey is the loudest monkey in the world.

hull
The hull is the main body or frame of a ship.
human being
A human being is a person.


hummingbird
Hummingbirds are tiny birds that drink flower nectar. They can hover in the air and even fly backwards.

humpback whale
Humpbacks are very acrobatic whales that sing beautiful, complex songs.

Humpty Dumpty
Humpty Dumpty is a character in nursery rhymes. 100

hundred
One hundred is the number after 99 and before 101.

hungry
When you're hungry, you want to eat some food.


hurricane
A hurricane is a strong storm with high winds and rain. The very center of the storm, called the eye, is calm.

husband
A husband is a married man.

husky
The husky is a hard-working, fast-running sled dog that was originally from Siberia.

hut
A hut is a small, simple shelter.

hydrant
Fire fighters hook a hose up to a fire hydrant to get water.


hyena
Hyenas are meat-eating animals that scavenge and hunt prey. -

hyphen
The hyphen is a punctuation mark used to join or to separate words. Some examples of hyphenated words are: merry-go-round, light-blue, twenty-four, and re-entry.

Hypsilophodon
Hypsilophodon was a small, plant-eating dinosaur.

I is for ...


I
I is a word that refers to the person who is speaking or writing.

ice
Ice is frozen water.

Ice Age
An Ice Age is a time when the Earth becomes very cold and much of it is covered with ice and glaciers. There have been many Ice Ages on Earth; the last one lasted from about 2 million to 10,000 years ago.

iceberg
An iceberg is a huge chunk of ice that floats in the sea. Most of an iceberg is hidden under the water.

ice cream
Ice cream is cold, creamy, and sweet treat.


ice cream cone
An ice cream cone is nice to eat on a hot summer day.

iced tea
Iced tea is a cold drink.

ice skate
When you wear ice skates, you can glide across ice.

ichthyosaur
Ichthyosaurs were prehistoric reptiles that lived in the sea.

Ichthyosaurus
Ichthyosaurus was a dolphin-like marine reptile from the time of the dinosaurs.


icicle
Icicles are hanging ice that are formed from dripping water.

icosahedron
An icosahedron is a twenty-sided geometric solid.

Idaho
Idaho is a state in the United States of America. Its capital is Boise.

idea
When you have an idea, you think of something new.


igloo
An igloo is a house made out of blocks of ice. Brr!

igneous rock
When molten rock cools, igneous rock is formed.

iguana
Iguanas are plant-eating lizards that often live in trees.

Iguanodon
Iguanodon was a plant-eating dinosaur.

Illinois
Illinois is a state in the United States of America. Its capital is Springfield.


illusion
An illusion is something that tricks your eyes.

impact crater
Impact craters are the remains of collisions between an asteroid or meteorite and the Earth.

imp
An imp is a mischievous child.

impala
The impala is a high-jumping, lightly-built antelope from southern Africa.

in
The bird is in the cage.


incandescent light bulb
An incandescent light bulb turns electricity into light as an electric current causes a filament to glow in an air-free enclosure.

inch
An inch is a unit of measurement that is equal to one-twelfth of a foot. An inch is 2.54 cm.

Independence Day
Americans celebrate their Independence from Great Britain on the fourth of July, Independence Day.

India
India is a large country in Asia; it's capital city is New Delhi.


Indiana
Indiana is a state in the United States of America. Its capital is Indianapolis.

Indian Ocean
The Indian Ocean is bordered by Africa on the west, by Asia on the north, by Australian on the east, and by the Southern Ocean on the south.

infant
An infant is a baby.

in front of
The girl on the right is in front of the bricks.

ink
Ink is a colored liquid used in pens.


insect
Insects are animals that have six legs, a three-part body and a hard exoskeleton.

inside
The bird is inside the cage. Oh, Huh

interjection
An interjection is a word that expesses emotion. An interjection often starts a sentence but it can be contained within the sentence or can stand alone. Some interjections are oh, wow, ugh, huh, hurray, eh, and ah.

Internet
The Internet is a group of connected computers. You are surfing the Internet right now!

intersection
An intersection is a where two or more things, like roads, meet.


intertidal zone
The intertidal zone is where the sea meets the land, the area between high tide and low tide.

intestines
Intestines are a part of the digestive system. The intestines help digest food, absorb it into the body, and excrete waste.

inventor
An inventor designs and creates new, useful things.

invitation
An invitation is a note that requests your presence at a party or other special occasion.


Iowa
Iowa is a state in the United States of America. Its capital is Des Moines.

Ireland
Ireland is an island off western Europe.

iris
The colored part of the eye around the pupil is the iris.

iris
Irises are beautiful flowers with long, thin, flat leaves.

Irish setter
The Irish setter is a friendly, energetic, and high-spirited dog that was originally bred in Ireland.


iron
Iron is a common metal that is used for many things, like train tracks, pots, and pipes.

iron
Irons press the wrinkles out of clothes.

island
An island is a piece of land that is surrounded by water.

isosceles triangle
An isosceles triangle has two sides that are the same length and two angles that are the same.

isthmus
An isthmus is a narrow strip of land connecting two larger landmasses. An isthmus has water on two sides.


it
It is a word that refers to a thing.

Italy
Italy is a country in southern Europe.

ivy
Ivy is a vine


J is for ...


jacket
A jacket is a short coat.

jack-in-the-box
A jack-in-the-box is a toy that can surprise you!

jack-o'-lantern
A jack-o'-lantern is a carved pumpkin. It looks scary when it's lit up!

jack rabbit
Jack rabbits are hares; they have very long legs and long ears.

Jack Russell terrier
The Jack Russell terrier is a feisty dog that was originally bred to drive small animals from their burrows.


jacks
Jacks is a traditional children's game.

jaguar
The jaguar is a large, spotted wild cat from South and Central America.

jam
Jam is a spread made from fruit.

janitor
A janitor is someone who looks after and cleans a building.

January
January is the first month of the year.


Japan
Japan is a country in Asia known for its art, poetry, samurai, and engineering. Japan's capital city is Tokyo.

jar
Jars are containers with a large opening and a lid.

jaws
Jaws let you open and close your mouth and take bites.

jay
Jays are beautiful, noisy birds.
jeans
Jeans are pants made from denim fabric.


Jefferson, Thomas
Thomas Jefferson (1743-1826) wrote the Declaration of Independence and was the third president of the USA, serving from 1801 to 1809.

jelly
Jelly is a spread made from fruit juice.

jellybeans
Jellybeans are colorful and sweet.

jellyfish
Jellyfish are animals that have stinging tentacles.

jerboa
The jerboa is a small, long-tailed rodent that hops.


jet
A jet is a very fast, powerful airplane.

jet engine
A jet engine is a powerful motor that propels a jet plane.

jewel
Jewels sparkle and shine.

jewelry
Rings, pins, earrings and necklaces are jewelry.

jigsaw puzzle
To put a jigsaw puzzle together, you match shapes.


joey
A joey is a baby kangaroo.

jog
Jogging is good exercise.

jokes
A joke can make people laugh. Do you know any good jokes?

joystick
A joystick is used to play some computer games.

judo
Judo is one of the martial arts.


jug
A jug holds a liquid, like water.

juggle
It takes good coordination to juggle.

juice
Juice is pressed from fruit or vegetables.

July
July is the seventh month of the year.

jump
When you jump, you go up and down.


jumping bean
A jumping bean is a seed pod in which a caterpillar lives. When the caterpillar moves, the seed pod moves. The caterpillar will turn into a moth eventually.

jumping bean moth
A jumping bean moth begins its life as an egg and a caterpillar living in a seed pod (called a jumping bean). This moth is from Mexico.

jump rope
There are a lot of different ways to jump rope.
junco
This junco is a small songbird from North America.

June
June is the sixth month of the year.


jungle
A jungle is a wild tropical growth of trees, plants, and animals.

junk
A junk is a traditional Chinese sailing ship made of wood.

Jupiter
Jupiter is the largest planet in our solar system and the fifth planet from the sun.

Jurassic period
Dinosaurs flourished during the Jurassic period, 208-146 million years ago. Stegosaurus and Apatosaurus were two dinosaurs that lived during the Jurassic.


K is for ...


kakapo
The kakapo is a large, flightless, nocturnal, solitary parrot from New Zealand.

kaleidoscope
A kaleidoscope is a device that makes beautiful, colorful patterns.

kangaroo
The kangaroo is a pouched mammal that hops and uses its muscular tail as a third leg. Its babies are called joeys.

kangaroo rat
The kangaroo rat is a small rodent from North America.


Kansas
Kansas is a state in the midwestern United States of America. Its capital is Topeka.
kapok tree
The kapok tree is a large, deciduous tree that is native to tropical America, Africa, and the East Indies. This fast-growing tree is generally from 45 to 60 feet (14-18 m) tall; it is the tallest tree in Africa. The light-weight silky down from the seed pods is used as pillow stuffing, sleeping bag stuffing, and for other uses.

karate
Karate is one of the martial arts.

kayak
A kayak is a small boat with an opening in the center for a person.


kazoo
You have to hum into a kazoo to make music.

keel
The keel is the bottom of a ship.

kelp
Kelp is brown seaweed that grows in cold water.

Kentrosaurus
Kentrosaurus was a spiked, plated dinosaur from the Jurassic period.


Kentucky
Kentucky is a state in the United States of America. Its capital is Frankfort.

kettle
A kettle is a pot in which you boil water.

kettledrum
The kettledrum is a large drum that makes a deep sound. A set of kettledrums is called a timpani.

key
We use keys to lock and unlock doors.


keyboard
A piano keyboard has 88 keys.

keyboard
You can type on a computer keyboard.

kid
A kid is a young goat.

kid
A kid is a young person.

kidney
The kidney are bean-shaped organs that take waste from the blood and produce urine.


killer whale
Killer whales are also known as orcas. These whales eats hundreds of pounds of fish and marine mammals every day.

kilogram
A kilogram is a unit of weight or mass that is equal to 1,000 grams or about 2.2 pounds.

kimono
A kimono is a beautiful gown worn by Japanese women.

kin
Kin are your relatives.

king
A king is a hereditary ruler of a country.


king cobra
The King Cobra is the largest venomous snake in the world. It lives in India, southern China, and southeast Asia.

King Jr., Martin Luther
Martin Luther King, Jr. (Jan. 15, 1929-April 4, 1968) was a great man who worked for racial equality in the USA. Americans celebrate Martin Luther King Day on the third Monday each January.

kinkajou
A long-tailed, nocturnal mammal from rainforests in the Americas.

kitchen
People prepare and store food in a kitchen.

kite
You can fly a kite on windy days.


kite
A kite is a four-sided figure in which the two pairs of adjacent sides have the same length.

kitten
A kitten is a young cat.

kiwi
The kiwi is a chicken-sized flightless bird from New Zealand. It is generally nocturnal (most active at night).

kiwi
The kiwi is a tangy fruit that grows in warm areas.
knee
The knee is where the leg bends. It it between the lower leg and the upper leg (the thigh).


kneel
When you kneel, your knees are on the floor.

knife
You can cut things with a knife.

knitting
Sweaters and socks are made by knitting.

knot
Knots tie things together.

koala
The koala is an Australian marsupial (a pouched mammal) that eats mostly eucalyptus leaves. It is not a bear. This animal is nocturnal (most active at night).


koi
Koi are a beautiful type of carp.

Komodo dragon
The Komodo dragon is the biggest lizard in the world and a fierce killer.

kookaburra
The kookaburra is an Australian bird whose call sounds like laughing.

krill
Krill are small marine animals that are eaten by many big animals, including some whales.
Kronosaurus
Kronosaurus is a large extinct marine reptile that lived during the time of the dinosaurs.


Kwanzaa
Kwanzaa is a holiday that honors African-American culture. Kwanzaa is celebrated from December 26 until January 1. The word "Kwanzaa" means "first fruits" in Swahili


L is for ...


label
A label gives you information about an object.

Labrador retriever
The Labrador retriever is an intelligent and even-tempered dog. It is the most popular dog breed in the USA.

lace
Lace is a very delicate fabric.

ladder
You can climb up a ladder to reach tall things.

ladle
A ladle is a large spoon used to serve soup and gravy.


lady
A lady is a woman.

ladybug
Ladybugs are flying insects that are useful in a garden because they eat many plant-eating insects.

lake
A lake is a large body of water surrounded by land on all sides. Really huge lakes are often called seas.

lamb
A lamb is a baby sheep.

Lambeosaurus
Lambeosaurus was a large, crested dinosaur.


lamp
A lamp gives out light.

land
Land is another name for the ground.

landing gear
The landing gear of an airplane is the set of wheels used during landing and takeoff.

lane
A lane is a small road.

lantern
A lantern is a device that gives off light.


lanternfish
Lanternfish are fish that have light-producing organs and very large eyes.

laptop
A laptop is a small, portable computer.

large
When someone or something is large, it is above average size.

larva
A larva is an immature stage in the development of some animals. Larvae eat a lot and will eventually turn into adults. Butterfly larvae are called caterpillars.

lasso
A lasso is a rope with a loop on one end that is used for catching animals.


last
The last item or person is the one at the end.

late
The sun sets late in the day.

latitude
Latitude is the angular distance north or south from the equator to a particular location. The equator has a latitude of zero degrees. The North Pole has a latitude of 90 degrees North; the South Pole has a latitude of 90 degrees South.

laugh
People laugh at funny things, like jokes.

laundry
Laundry is dirty clothing. Doing the laundry means washing and drying clothes.


laundry basket
Laundry is put in laundry baskets.

lava
Lava is molten rock. It comes out of erupting volcanoes.

lawn
A lawn is a place outside where grass grows.

lawn mower
You can cut the grass with a lawn mower.

Leaellynasaura
An Australian plant-eating dinosaur with large eyes.


leaf
Plants use leaves to collect energy from sunlight.

leafcutter ant
Leafcutter ants are fungus farmers - they grow their own food.

learn
When you learn, you find out something new.

left
Left is the opposite of right.

legs
Many animals have legs. People have two legs, cows have four legs, insects have six legs, and spiders have eight legs. Tables and chairs also have legs.


lemming
Lemmings are small, short-tailed rodents.

lemon
A lemon is a sour, yellow fruit.

lemonade
Lemonade is a drink made from water, lemon juice, and sugar.

lemon shark
The lemon shark is a yellowish shark.

lemur
Lemurs are large-eyed mammals from Madagascar, an island off the coast of Africa.


leopard
Leopards are widely-distributed, spotted wild cats.
leprechaun
A leprechaun is a make-believe tiny person from Ireland who searches for the pot of gold at the end of the rainbow.

Lesothosaurus
Lesothosaurus was a small, plant-eating dinosaur that lived in what is now Africa.

less
The opposite of less is more. <

less than
The mathematical symbol < means "less than." When one number is less than a second number, the first one is smaller than the second. For example, 1 is less than 2, or 1 < 2.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

letter
There are 26 letters in our alphabet.

letter
You can write a letter to communicate with a person.

lettuce
Lettuce is a leafy vegetable that is good in salads.

level
A level is a tool that checks if both sides of something are at the same height.

lever
A lever lets you do work with less effort.

Lewis and Clark
Meriwether Lewis and William Clark set out in 1804 to explore and map the American West. They were accompanied by a crew of men, and later, the Shoshone Indian guide and interpreter Sacagawea and her infant son. They travelled by river and by land from Missouri to the Oregon coast, and back again. Their journey took 2 years, 4 months, and 10 days, and they travelled over 8,000 miles. President Thomas Jefferson commissioned the expedition to explore the newly-bought Louisiana Territory.


Lhasa apso
The Lhasa apso is a small, long-haired dog that was originally bred in Tibet.

Liberty Bell
The Liberty Bell is a symbol of freedom in the USA.

librarian
Librarians take care of libraries and help people find books.

library
Libraries have books, tapes, and computer programs.


lice
Lice are tiny insects that live on the skin of other animals; a single one of these insects is called a louse. Lice sometimes live on people's hair!

license plate
Every car has a license plate that tells you where it's from.

licorice
Licorice is a type of candy.

lid
A lid is a top for a pan or other container.

lifeboat
A lifeboat is a small boat that is kept on a larger ship; it is used in emergencies.


light bulb
A light bulb turns electricity into light.

lighthouse
A lighthouse shines a very bright light so ships won't sail ashore or into rocks by mistake.

lightning
Lightning is a flash of light in the sky caused by an electrical storm.

lightning bug
The lightning bug (also known as the firefly) is a glowing, flying insect.

lily
A lily is a funnel-shaped flower.


lime
A lime is a sour, green citrus fruit.

limestone
Limestone is a type of sedimentary rock that is made of the skeletons of tiny microorganisms.

limousine
A limousine is a very long, fancy car.

limpet
The limpet is a marine animal with a soft body and a flattened, cone-shaped shell.

Lincoln, Abraham
Abraham Lincoln was the 16th president of the United States of America (from 1861-1865) and one of the greatest presidents. Lincoln helped abolish slavery in the United States.


line segment
A line segment is a portion of a line.

link
A chain is made up of many links.

lion
The lion is a meat-eating African mammal. Lions are nocturnal (most active at night). A group of lions is called a pride.

lips
Chickens don't have lips, but people do.

liquid
When something is in liquid form, it takes on the shape of its container. Water is a liquid.


list
A list is a series of names or things that are written or printed together.

little
When someone or something is little, it is below average in size.

littler
The boy in the middle is littler than the boy on the right.

littlest
The boy on the left is the littlest of the three.

Little Dipper
The Little Dipper is a group of stars in the constellation Ursa minor (the Little Bear). This group of stars ends at Polaris, the pole star of the Northern Hemisphere.


living room
A living room is a large room in an apartment or house.

lizard
Lizards are a type of reptile.

llama
Llamas are domesticated animals that are related to camels.

loafers
Loafers are a type of slip-on shoe.

lobster
A lobster lives on the ocean floor and has five pairs of legs. Lobsters have blue blood.


lobtailing
Lobtailing is when a whale sticks its tail out of the water into the air, swings the tail around, and then slaps the tail on the water's surface. Lobtailing makes a very loud noise.

lock
You can lock and unlock a lock with a key.

log
A log is a short piece of a tree trunk.

log cabin
A log cabin is a house made of logs.

lollipop
A lollipop is candy on a stick.


long
When something is long, it is not short.

long division
In long division, the dividend is divided by the divisor, resulting in a quotient plus a remainder.

longhorn
A longhorn is a type of cattle with very long horns.

longitude
Longitude is the angular distance east or west from the north-south line that passes through Greenwich, England, to a particular location. Greenwich, England has a longitude of zero degrees. The farther east or west of Greenwich you are, the greater your longitude. Midway Islands (in the Pacific Ocean) have a longitude of 180 degrees (they are on the opposite side of the globe from Greenwich).

loris
Large-eyed primates from Southeast Asia.


lorgnettes
Lorgnettes are glasses (or opera glasses, which are small binoculars) that are mounted on a handle. This type of glasses was used a long time ago.

loud
The opposite of loud is quiet.

Louisiana
Louisiana is a state in the United States of America. Its capital is Baton Rouge.

louse
A louse is a tiny insect; the plural of louse is lice. They live on the skin of other animals. Lice sometimes live on people's hair.


love
Love is a wonderful feeling. a b c

lower case
Lower case letters (also called small letters) are uncapitalized letters.

luna moth
The luna moth is a green moth with long hindwing tails and eyespots.

lunch
Lunch is a meal eaten in the middle of the day.

lunch box
Some people carry their lunch in a lunch box.


lungs
Some animals use lungs to breathe. People have lungs.

lynx
A powerful wild cat from Europe, Eurasia, and North America.


M is for ...


macaroni
Macaroni is a tube-shaped noodle.

macaroni penguin
The macaroni penguin is a penguin from the Antarctic that has a yellow, feathery crest on its head.
macaw
Macaws are parrots from rainforests in the Americas.

mad
When you are mad at someone, you are angry with them.

magazine
A magazine is published periodically.


Magellan, Ferdinand
Ferdinand Magellan (1480-1521) was a Portuguese explorer who led the first expedition that sailed around the Earth. The voyage lasted from 1519 until 1522. Magellan was killed towards the end of the voyage.

magic
Magic is the skill of performing illusions and tricks that amaze people. People who perform magic are called magicians. 5 4 6
6 5 4
4 6 5


magic square
In a magic square, the rows, columns, and diagonals all add up to the same number.

magnet
A magnet attracts things made of iron.

magnifying glass
A magnifying glass is a lens that makes things look larger than they really are.


Maiasaura
Maiasauras were dinosaurs that cared for their eggs and young.

mailbox
A mailbox is where you leave letters to be mailed.

mail carrier
A mail carrier delivers the mail.

Maine
Maine is a state in the northeastern United States of America. Its capital is Augusta.


mako shark
The mako shark is a very fast shark with bluish skin.

mallard
The Mallard is a common wild duck.

mammal
Mammals are warm-blooded animals with hair that nourish their young with milk.

mammoth
Mammoths were large, elephant-like animals that lived during the Ice Ages. They had long hair, long tusks, and finger-like projections on the long trunk.

man
Boys grow up to be men.


manatee
Manatees are gentle, slow-swimming, aquatic mammals.

mandrill
Mandrills are large, brightly-colored monkeys from African rainforests.

man-of-war
The Portuguese man-of-war is a floating colony of animals that has very long, stinging tentacles. It lives in warm ocean waters.

manta ray
Manta rays are harmless fish and are related to sharks. Mantas are the biggest rays.

many
The are many apples above.


map
A map shows the features of an area. You can find your way around by using a map.

maple tree
Maple syrup comes from maple trees.

maracas
Maracas are musical instruments that are made from hollow gourds. Dried seeds or pebbles inside the gourds make noise when the maracas are shaken.

marble
Marble is a beautiful metamorphic rock.

March
March is the third month of the year.


marine mammals
Marine mammals live in the sea and breathe air. Seals, sea lions, whales, and others are marine mammals.

market
We can buy things at a market.

maroon
Maroon is a deep, purplish shade of red.

Mars
Mars is a reddish planet and the fourth planet from the sun. It is the planet that comes closest to the Earth.

marsh
A marsh is a type of low-lying wetland located near a river or lake.


marsupials
Marsupials are mammals whose young are born very immature. Most female marsupials have a pouch in which the young lives. Koalas and kangaroos are marsupials.

martial arts
The martial arts include Aikido, Judo, Karate, Tae Kwon Do, and other sports.

Maryland
Maryland is a state in the northeastern United States of America. Its capital is Annapolis.

mask
A mask covers your face.


Massachusetts
Massachusetts is a state in the northeastern United States of America. Its capital is Boston. In 1620, the Pilgrims landed in what is now Massachusetts.

mastiff
The mastiff is a huge, intelligent, and powerful dog that is often used as a guard dog.

mastodon
Mastodons were shaggy, tusked mammals that are now extinct. Mastodons evolved earlier than mammoths and were smaller than mammoths.

mat
You can wipe your shoes on a floor mat.


mathematics
Mathematics is the study of numbers, shapes, patterns, and logical reasoning.

May
May is the fifth month of the year.

maybe
Maybe means perhaps or possibly.

Mayflower
The Mayflower was the name of the ship in which the 102 Pilgrims sailed from England to what is now Massachusetts, on the northeastern coast of the USA. The Pilgrims landed on December 11, 1620.

maze
Getting through the passages of a maze is tricky.


me
Me is a word that refers to the person who is speaking or writing.

meadow
A meadow is a low, flat grassland.

meadowlark
The meadowlark is a brightly-colored songbird that lives in meadows and grasslands.

meal
Breakfast, lunch, and dinner are meals.

mealworm
The mealworm is the larval stage of the darkling beetle.


measuring cup
A measuring cup is useful in baking and cooking.

meat
Meat is a type of food that comes from animals. Some types of meat are beef and ham.

medal
A medal is an award that you can wear.

meerkat
Meerkats are a type of mongoose that can stand upright. They live in Africa.

Megalodon
Megalodon was a giant shark that lived from 25 million to 1.6 million years ago; it is extinct. It may have been over 40 feet (12 m) long. Only fossilized teeth have been found.


Megalosaurus
This large meat-eating dinosaur was the first dinosaur named.

megamouth
The megamouth is a large, filter-feeding shark that was only discovered in 1976.
Megaraptor
Megaraptor was a giant, meat-eating dinosaur with long, sharp toe claws.

melon
Melons are fruits that have a rind.


Memorial Day
Memorial Day honors US soldiers who died fighting for their country. Memorial Day is celebrated on the last Monday in May.

Mercury
Mercury is a moonless planet; it is the planet closest to the Sun.

mermaid
A mermaid is a make-believe creature who is half woman, half fish.

mesa
A mesa is a land formation with a flat area on top and steep walls - usually occurring in dry areas.

Mesozoic Era
The Mesozoic Era was the time when dinosaurs lived and mammals evolved. The Mesozoic lasted from 250 million to 65 million years ago. It began and ended with mass extinctions.
metal
A metal is an element that has a crystalline structure when it is solid form. Many metals are shiny and many conduct electricity. Some metals include iron, copper, silver, and gold.

metamorphic rock
Metamorphic rocks are compacted by pressure and heat from deep inside the earth.

meteor
A meteor is a meteoroid that has entered the Earth's atmosphere, usually making a fiery trail as it falls. It is sometimes called a shooting star. Most burn up before hitting the Earth.


meteorite
A meteorite is a meteor that has fallen to Earth. Meteorites are made of stone, iron, or stony-iron.

meteoroid
Meteoroids are tiny stones or pieces of metal that travel through space.

meteorologist
A meteorologist is a scientist who studies the weather.

meteor shower
A meteor shower is when a lot of meteor fall through the atmosphere in a short time.

meter
A meter is a unit of length; 100 centimeters are in a meter. A meter is a little more than 3 feet (it is about 39.4 inches).


Mexico
Mexico is a Spanish-speaking country in North America. Its capital is Mexico City.

Michigan
Michigan is a state in the northern United States of America. Its capital is Lansing.

microscope
A microscope lets you see very tiny things.

microwave oven
Microwave ovens heat up food quickly.


middle
The boy in the middle has a boy on either side of him.

midnight
Midnight is 12:00 at night.

milk
Milk comes from cows and other mammals.

Milky Way
The Milky Way is a bright line of stars stretching across the night sky.

Milky Way Galaxy
Our solar system is in the Milky Way galaxy. We can see the Milky Way as a band of stars in the night sky.
1,000,000

million
A million is a thousand thousands. The dinosaurs lived millions of years ago.

millipede
Millipedes are segmented, plant-eating animals that have many legs.

mineral
A mineral is a naturally-occurring solid whose molecules form a regular pattern (usually forming crystals). Some common minerals include quartz, salt, diamond, and feldspar.

minivan
A minivan is a small van.

mink
The mink is a small, short-legged member of the weasel family. It lives in wet environments.


Minnesota
Minnesota is a state in the United States of America. Its capital is St. Paul. -

minus
The mathematical symbol - means "minus." Four minus three is written, 4 - 3.

minute hand
A minute hand on a clock tells you how many minutes past the hour it is.


mirror
You can see your reflection in a mirror.

Mississippi
Mississippi is a state in the United States of America. Its capital is Jackson.

Missouri
Missouri is a midwestern state in the United States of America. Its capital is Jefferson City.


mitosis
Mitosis is a process in which cells divide.

mitt
A baseball mitt is a glove used to catch balls.

mitten
Mittens keep your hands warm.

moa
The moa were huge, extinct, flightless birds from New Zealand.

mobile
A mobile is a hanging sculpture.


Möbius strip
A Möbius strip is a piece of paper with only one side!

mockingbird
The mockingbird is a North American bird that can mimic the songs of many other birds.

mole
Moles are burrowing mammals that are almost-blind.

mom
A mom is a woman with children.

monarch butterfly
The monarch butterfly is a common, poisonous butterfly. Some monarchs migrate long distances.


money
Money is used to buy things.

mongoose
Mongooses are sleek, meat-eating mammals.

monkey
Monkeys are furry mammals with long, strong tails.

monster
Monsters are scary and make-believe.


Montana
Montana is a state in the United States of America. Its capital is Helena.

month
There are 12 months in a year: January, February, March, April, May, June, July, August, September, October, November, and December.

moon
The Earth has one moon. The moon has no atmosphere. The same side of the moon always faces the Earth.

moose
A moose is a large type of deer from northern forests.


mop
A mop is used to clean the floor.

moray eel
The moray eel is a long, snake-like fish that has circular gills.

more
The opposite of more is less.

morning
The sun rises in the morning.

morpho butterfly
The morpho butterfly is a bright blue buttterfly from rainforests in South and Central America.


mortar board
A mortar board is a square hat that is worn by people when they graduate from school.

mosaic
A mosaic is a work of art made up of many pieces of tile, glass, stones, or other objects.

mosquito
A mosquito is a small, flying insect that can spread disease as it feeds on blood.

moth
Moths are beautiful flying insects that are generally more active at night. They are related to butterflies.

mother
A mother is a woman who has a child.


Mother Goose
Mother Goose told silly rhymes; we've heard them all many times.

motorcycle
A motorcycle has two wheels and can go fassssttttttt!

mountain
A mountain is a very tall high, natural place on Earth - higher than a hill. The tallest mountain on Earth is Mt. Everest.

mountain lion
A long-tailed wild cat with no spots. It is also known as the puma, panther, cougar, and catamont.

mouse
Mice are cute, small rodents with long tails.


mouse
A computer mouse is a device used to control the computer's cursor.

mouth
We use our mouths to eat and talk.

move
When you move, you are not still.

muffin
Muffins are small, baked goods made from a batter.

mug
A mug is a large cup.


multicolored
Multicolored means having many colors. 1 x 2 = 2

2 x 3 = 6

multiplication
Multiplication is a mathematical operation used to compute areas and do other calculations. x

multiply
The mathematical symbol x means "multiply." Four times three is written, 4 x 3.

mummy
A mummy is a preserved dead body.

museum
Museums exhibit art, historic objects, and scientific finds - like dinosaur fossils.


mushroom
Mushrooms are fast-growing fungi. They grow in dark, damp places.

music
Music can be sung or played on instruments.


musical instruments
Musical instruments are devices used to make music.

musician
A musician makes music.

musk ox
Musk oxen are large, hairy mammals that live in the far north.


muskrat
Muskrats are rodents that often build dome-shaped houses.

Mussaurus
Mussaurus was a tiny, plant-eating dinosaur from South America. Its eggs were only about an inch long.

mustang
Mustangs are wild horses from western North America.

Muttaburrasaurus
Muttaburrasaurus was a plant-eating dinosaur with thumb spikes. Its fossils have been found in Australia.

N is for ...


nabarlek
The nabarlek is a small wallaby from northern Australia.

nail
Nails are hard scales that grow at the ends of your fingers.

nail
A nail is a long, thin piece of metal that you can hammer into wood.

naked
When you are naked, you aren't wearing any clothes.

naked mole-rat
Naked mole-rats are small, almost hairless rodents who live in underground colonies in Africa.


name
A name is a word by which something or someone is known. Everyone has a name.

nap
A nap is a short sleep during the day.

napkin
After you eat, you can clean your face with a napkin.

narrow
When something is narrow, it doesn't take up a lot space from side to side.

narwhal
The narwhal is an Arctic whale; the male has a huge tooth.


nasturtium
Nasturtiums are plants with bright, pretty flowers and round leaves.

Native American
Native Americans are people who have lived in the Americas for thousands of years.

nautilus
The nautilus is a sea animal related to the squid and octopus!

Nebraska
Nebraska is a state in the midwestern United States of America. Its capital is Lincoln.


nebula
A nebula is a cloud of gas and dust in space.

neck
Your neck is between your head and your shoulders.

necklace
A necklace is jewelry for your neck.

necktie
A necktie is a narrow band of fabric tied around the neck.
nectarine
A nectarine is a sweet, juicy fruit with smooth skin; it is related to the peach.


needle
A needle is a long, thin piece of metal that is sharp on one end and has a hole in the other end. A needle is used for sewing.

neighborhood
A neighborhood is the place where you and the people around you live.

nene
The nene is Hawaii's state bird. It is an endangered goose that lives on volcanic slopes.

neon
Neon is a gas in the air that is used in some lights.

Neptune
Neptune is the eighth planet from the Sun. This frozen planet has 8 moons.


nest
Some animals make nests to hold their babies - even some dinosaurs built nests for their eggs.

net
A net is used to catch things.

Nevada
Nevada is a state in the United States of America. Its capital is Carson City.

new
When something is new, it hasn't been used before.


New England
New England is a region in the far northeast of the United States of America. It is comprised of the states Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont.

New Hampshire
New Hampshire is a state in the northeastern United States of America. Its capital is Concord.

New Jersey
New Jersey is a state in the United States of America. Its capital is Trenton.


New Mexico
New Mexico is a state in the United States of America. Its capital is Santa Fe.

newspaper
People read newspapers to find out about new things that have happened.

newt
Newts are brightly-colored salamanders, a type of amphibian.

New Year
The beginning of a year is called the New Year. People often celebrate on this day. A year consists of 12 months, 52 weeks, or 365 days.


New York
New York is a state in the United States of America. Its capital is Albany.

nickel
A nickel is a U.S. coin worth five cents.

night
At night, when the sun goes down, you can see stars in the sky.

nightgown
A nightgown is a long, loose garment worn to bed.


nightingale
The nightingale is a bird that sings beautiful songs.

nine
Nine is the number between eight and ten. There are nine players on a baseball team.

no
No means that you disagree or that something is not true.

nocturnal
Nocturnal animals are more active at night. Bats are nocturnal.

nod
When you nod your head, you move it up and down.


noodles
Noodles are flat strips of pasta. Noodles were invented in China.

noon
Noon is midday, 12:00, when the sun is closest to overhead.

north
North is a compass direction. North is opposite south.

North America
North America is a continent in the Northern Hemisphere. Canada, the USA, and Mexico are in North America. North America is bordered by the Atlantic, Arctic, and Pacific Oceans.

North Carolina
North Carolina is a state on the eastern coast of the United States of America. Its capital is Raleigh.


North Dakota
North Dakota is a state in the United States of America. Its capital is Bismarck.

Northern Hemisphere
The Northern Hemisphere is the half of the Earth that is north of the equator.

North Pole
The North Pole is the northernmost place on Earth. There is no land at the North Pole, but there is a layer of ice on top of the Arctic Ocean around the pole.

North Star
The north star is a star that is located almost due north and is useful for navigation. Polaris is currently the pole star of the Northern Hemisphere.


nose
We use the nose to breathe; it also gives us a sense of smell.

note
A note is a short written message or letter.

notebook
A notebook is a book with blank pages to write in.

notes
A note is a symbol that represents a musical tone.

Nothosaurus
Nothosaurus was a fish-eating reptile from the Mesozoic Era. It is extinct.


noun
A noun is a type of word that represents a person, thing, or place. A proper noun denotes a specific person, place, or thing that has a name and is capitalized (like Tom, Delaware, or the Titanic).

November
November is the eleventh month of the year.

nude
When you are nude, you aren't wearing any clothes.

numbat
The numbat is a pouchless marsupial from Australia. It eats termites.

number line
Numbers correspond to points on a number line.


numbers
Numbers tell you "how many" or "how much."

numerator
The numerator is the top number in a fraction.

nurse
A nurse takes care of you when you're sick or hurt.

nursery rhyme
Nursery rhymes are simple rhymes that most children enjoy.

nurse shark
The nurse shark is a large predator that lives in warm water in coral reefs.


nut
A nut is a dry seed or fruit with a hard shell.

nut
A nut is a piece of metal that fastens onto a bolt or screw.

nuthatch
The nuthatch is a small perching bird that can climb down trees and opens nuts using its bill like a hatchet.

nutria
Nutrias (also called coypus) are semi-aquatic rodents that are originally from South America.


O is for ...


oar
An oar is used to row a boat.

oatmeal
Oatmeal is a cereal.

obelisk
An obelisk is a tall, four-sided tower topped with a pyramid.

oboe
The oboe is a woodwind instrument with a double reed.

observatory
An observatory is place where people observe the skies, using a device like a telescope.


obtuse angle
An obtuse angle is greater than ninety degrees.

ocean
An ocean is a large body of salt water that surrounds a continent. Oceans cover more the two-thirds of the Earth's surface.

Oceania
Oceania is a region of islands in the Pacific Ocean, including the Salomon Islands, Micronesia, Kiribati, Fiji, Tonga, Polynesia, Samoa, Australia, and others.

ocelot
Ocelots are wild cats from rainforests and grasslands in the Americas.

octagon
An octagon is an eight-sided figure. Stop signs are octagons.


octahedron
An octahedron is an eight-sided geometric solid.

October
October is the tenth month of the year.

octopus
Octopi have eight arms and live on the sea floor. 1, 3, 5, 7, 9, 11, ...

odd number
An odd number is not divisible by two.

ogre
Ogres are ugly, scary and make-believe.


Ohio
Ohio is a state in the United States of America. Its capital is Columbus.

oil
Oil is a greasy liquid.

oilcan
An oilcan is a container for oil.

oil painting
An oil painting is a picture made using oil paints.


okapi
The okapi is a nocturnal, giraffe-like mammal from African rainforests.

Oklahoma
Oklahoma is a state in the United States of America. Its capital is Oklahoma City.

old
When someone or something is old, it has been around for a long, long time.

old English sheepdog
The old English sheepdog is an affectionate, long-haired dog that was originally bred in Great Britain.


olive
An olive is an oily fruit that grows on an evergreen tree.

Olympics
The Olympic Games began over 2700 years ago in ancient Greece.

omelet
An omelet is a dish made from eggs.

omnivore
An omnivore is an animal that eats plants and meat. People are omnivores

on
The vase is on the table.


one
One is a small number. 1/2
one half
When something is divided into two equal parts, each of these two parts is one half of the original object.

onion
Onions are sharp tasting vegetables.

open
Something that is open is not shut. The door is open.

opossum
The Virginia opossum is the only marsupial from North America.


opposites
Opposites are things that are very, very different from each other. Some examples of opposites are: left and right, big and small, up and down, tall and short.

orange
Orange is a color. You can mix red and yellow paint to get orange.

orange
Oranges are sweet, juicy fruit.

orange juice
Orange juice is made from oranges.

orangutan
Orangutans are large, tree-dwelling apes from rainforests in southeast Asia.


orb
A ball-shaped object is an orb.

orbit
The Moon orbits the Earth. The Earth orbits the Sun.

orb weaver
The orb weaver is a type of spider that builds a loosely-woven web.

orca
Orcas are also known as killer whales. An orca eats hundreds of pounds of fish and marine mammals every day.


orchid
Orchids are colorful flowers that live in warm areas.

Oregon
Oregon is a state in the northwestern United States of America. Its capital is Salem.

origami
Origami is the art of folding paper into beautiful shapes.
oriole
The oriole is a black and orange bird that eats fruit and nectar. It builds a hanging nest.


Ornithomimus
Ornithomimus was an ostrich-like dinosaur.

oropendola
The crested oropendola is a tropical black bird that makes long, pendulous nests.

oryx
Oryx are long-horned antelopes from dry areas in Africa and Asia.

ostrich
The ostrich is the largest bird and is from Africa. It can't fly, but it runs very fast.

otter
An otter is a playful aquatic mammal.


ouch
Sometimes, when they're hurt, people say, "Ouch."

ounce
An ounce is a unit of weight. One cup of water weighs eight ounces.

our
This is our beachball; we share it.


Ouranosaurus
Ouranosaurus was a sail-backed, plant-eating dinosaur.

out
He is going out the door.

outside
When you are outside, you are not in a building or other structure.

oval
An oval is an egg-shaped figure.


oven
Ovens get very hot. You can bake food in an oven.

oven mitt
An oven mitt protects your hand when you put things in or out of an oven.

over
The cloud is over the mountain.

overalls
Overalls are baggy pants with shoulder straps and a piece of fabric covering the chest.

overcoat
An overcoat will keep you warm when it is cold.


Oviraptor
Oviraptor was a small, omnivorous dinosaur.

owl
Owls are birds of prey that have large eyes and very good eyesight. Most owls hunt at night.

ox
Oxen are large, hairy mammals that live in the far north.

oyster
The oyster is a soft-bodied marine animal that is protected by two hard shells.


P is for ...

Pachycephalosaurus
Pachycephalosaurus was a plant-eating, dome-headed dinosaur.

Pacific Ocean
The Pacific Ocean is the largest ocean on Earth. It is bordered by Asia and Australia on the west, and by the Americas on the east.

package
A package is a wrapped box that contains something.

padlock
You can lock and unlock a padlock with a key.

paddle
A paddle is an oar for rowing a small boat.


pail
A pail is a container with a handle.

paintbrush
A paintbrush is used to paint things.
painted lady
The painted lady is a common and brightly-colored butterfly.

painted turtle
The painted turtle is a common turtle that lives in ponds, marshes and slow-running rivers in North America.

painting
A painting is a picture made using paints.

pajamas
Some people wear pajamas to bed at night.

palace
A palace is a huge house where a king or queen lives.

paleontologist
A paleontologist is a scientist who studies ancient life (like dinosaurs), mostly by looking at fossils.

paleontology
Paleontology is the study of ancient life, mostly through fossil evidence.

palette
A palette holds an artist's paints.
MOM
2002

palindrome
A palindrome is a word, phrase or number that reads the same forward and backward. Some palindromes are: the name Bob, the number 101, and the phrase, "Madam, I'm Adam."

palm tree
Palm trees are a primitive type of tree.

pan
You can cook food in a pan.

panda
Pandas are black and white bears from China.
Pangaea
(pronounced pan-GEE-ah) Pangaea was a supercontinent consisting of all of Earth's land masses. It existed millions of years ago and began breaking up during the time of the dinosaurs.


pangolin
The pangolin is an insect-eating mammal that has protective scales on its body.
pants
Pants are clothes that cover the legs and up to the waist.

panther
A long-tailed wild cat with no spots. It is also known as the puma, cougar, mountain lion, and catamont.

paper
We write and paint on paper. It is made from plant fibers, usually trees.

paper clip
A paper clip is a small clip that is used to hold a few pieces of paper together.


paper plate
A paper plate is a disposable plate that is made out of paper. People use paper plates at picnics.

paragraph
A paragraph is one or more sentences that cover a single topic. The symbol for paragraph is .

parallel
Parallel lines extend in the same direction, are always the same distance apart, and never meet.

parallelogram
A parallelogram is a four-sided figure whose opposite sides are parallel.

Parasaurolophus
Parasaurolophus was a plant-eating, duck-billed dinosaur.


parrot
The parrot is a beautiful bird that can imitate sounds very well.

party
A party is a group of people having fun together.
pasta
Pasta is a type of food made from flour. Spaghetti and macaroni are types of pasta.

pattern
A pattern is something that is repeated.
peach
Peaches are sweet, juicy fruit with fuzzy skin.


peacock
The peacock is a beautiful bird from India. The male has a large train of feathers.

peanut
Peanuts grow undergound; they are a type of legume.

pear
The pear is a sweet fruit with a thin skin.

pea pod
Peas grow in pea pods.

peas
Peas are small, round vegetables that grow in pods.


pebble
A pebble is a small, smooth stone.

Pekingese
The Pekingese is a small, long-haired dog with a flattened face. It was originally bred in China as a royal companion dog.

pelican
The pelican is fish-eating bird with a huge, pouched bill.
pen
We write with pens. Pens have ink in them.

pencil
A pencil is good for writing and drawing. You can erase pencil marks.


penguin
Penguins are birds that cannot fly but swim very well.

peninsula
A peninsula is a body of land that is surrounded by water on three sides.

Pennsylvania
Pennsylvania is a state in the eastern United States of America. Its capital is Harrrisburg.

penny
A penny is a coin worth one cent.

pen pal
A pen pal is a faraway friend you write to.

Pentaceratops
A plant-eating dinosaur with horns and a big frill.

pentagon
A pentagon is a five-sided figure.

people
People are human beings.

pepper
Pepper is a spice that many people use to season their food.


pepper
A pepper is a sharp-tasting, hollow vegetable. Peppers can be red, green, yellow, and orange.

percussion instruments
Percussion instruments are musical instruments that are played by banging or shaking, like drums or maracas.

peregrine falcon
The peregrine falcon is the fastest-flying bird. It prey upon other birds.

perimeter
Perimeter is the distance around the edges of a figure. For example, the perimeter of a square with side length of a is a+a+a+a=4 times a.

period
A period is a dot used at the end of a sentence to indicate that it is the end.


perpendicular
When two lines are perpendicular, they are at right angles (90 degrees).

person
A person is a human being.

pets
Pets are animals that live with us.

phases of the Moon
As the moon circles the Earth, the shape of the Moon appears to change. The phases of the Moon are: the new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, and waning crescent.

photo
A photo, or photograph, is a picture taken with a camera.


physical education
Physical education is the teaching of activities that promote physical fitness.

piano
A piano is a musical instrument with 88 keys.

piccolo
The piccolo is small, high-pitched woodwind instrument.

pickle
A pickle is a cucumber that is preserved in brine.

picture
A picture shows what something looks like. A picture can be a drawing, a painting or a photograph.


pie
A pie is a dessert that is made with fruit and has a crust.

pie chart
A pie chart (also called a circle graph) is a diagram that is useful for displaying information about the percentages or parts of a whole.

pig
Pigs are hoofed mammals that oink!

pigeon
There are a lot of pigeons in cities.

piggy bank
Children put money in piggy banks.


piglet
A piglet is a young pig.

pika
Pikas are small, furry mammals who stockpile food for the winter.

Pilgrims
The Pilgrims were a group of 102 settlers who sailed from England to what is now Massachusetts, USA. They sailed on the ship called the Mayflower. They landed on December 11, 1620.

pill bug
The pill bug (also called the roly-poly bug) is a small isopod that curls into an armored ball when it is threatened.

pillow
A pillow is a soft cushion that you can rest upon.


pin
A pin is a small, sharp piece of metal used in sewing.

piñata
A piñata is a candy and toy filled container that is shaped like an animal or a common object. Children break the piñata with a bat at a party in order to get the cnady and toys.

pine cone
A pine cone contains many seeds from a pine tree.

pine tree
A pine is an evergreen tree; it doesn't lose its needle-like leaves in the winter.

pink
Pink is the color you get when you mix red and white paint.


pint
A pint is a unit of measure of volume equal to two cups. Two pints make a quart.

pinwheel
A pinwheel is a toy that whirls around when you blow on it.

pioneer
A pioneer is a person who is the first to do something, like settle in a new area or do new research.

pipe
A pipe is a hollow cylinder or tube through which things can move.

piranha
Piranhas are meat-eating, freshwater fish that are native to eastern South America.


pirate
Pirates robbed ships on the high seas.

pitcher
A pitcher is a container for pouring liquids.

pitcher
A pitcher is someone who throws a ball or other item.

pizza
Pizza is made of dough that is covered with tomato sauce and cheese; it is baked in an oven.

plane
Planes are machines that fly in the sky. People ride in them.


planet
Eight planets and one dwarf planet orbit our Sun.

planetarium
Planetariums put on star shows that teach astronomy.
plankton
Plankton are tiny organisms that float in the seas and other bodies of water. Plankton is the base of the oceanic food web.

plant
Plants are living things that get their food and energy from sunlight, soil and air.

plant pot
A plant pot is a container in which a plant is grown.


plate
A plate is a flat dish on which we put food.

platypus
The duck-billed platypus is a primitive, egg-laying mammal from Australia.

play
When you play, you are having fun.
plesiosaur
Plesiosaurs are extinct marine reptiles that lived during the time of the dinosaurs.

pliers
Pliers are tools that hold things.


plum
A plum is a sweet, juicy, purple fruit.

Pluto
Pluto is a dwarf planet that is uaually farther from the Sun than any of the planets (Pluto was considered to be a planet until 2006). Pluto's moon is called Charon.

pocket
You can put things in a pocket.

pod
Peas grow in pea pods.

pod
A group of whales is called a pod.
.

point
A point is a very small dot.

poison arrow frog
Poison arrow frogs are poisonous frogs from rainforests of South and Central America. Some South American Indians apply the poison to the tips of their hunting arrows and blow-gun darts.

polar bear
Polar bears are large meat-eaters live in the far north. They have clear-colored hair and black skin.

police
The police enforce laws and keep order.

polka dots
Polka dots are patterns of dots.


polygon
A polygon is a many-sided figure with straight edges.

polyhedron
Polyhedra are solids made from polygons.

polliwog
A polliwog is another name for a tadpole, a baby frog or toad.

Pomeranian
The Pomeranian is a small, friendly, intelligent companion dog.

pond
A pond is a small body of water surrounded by land.


pond skater
The pond skater is a bug that walks on water.

poodle
The poodle is a lively, intelligent dog that was originally bred to retrieve game from the water.

poppy
A poppy is a delicate flower.

popsicle
A popsicles is a sweet, frozen treat on a stick.

porcupine
Porcupines are mammals with protective, needle-like quills on their body.


porpoise
A porpoise is a marine mammal with a long nose and teeth. They are also known as dolphins; they are a type of toothed whales.

porthole
A porthole is a window in a ship.

postcard
A postcard is a card you can mail without an envelope. People who collect post cards are called deltiologists.

pot
People cook food in pots.

potato
Potatoes are starchy vegetables that grow undergound.


pour
When you pour something, you make it flow in a stream. Tea is pouring from the teapot above.

prairie chicken
The prairie chicken is a bird that lives in grasslands of North America.

prairie dog
The prairie dog is a ground squirrel; it is not a dog.

praying mantid
The praying mantid (also called the praying mantis) is a predatory insect that eats garden pests.

precipitation
Precipitation is rain, snow, hail, or sleet.


preposition
A preposition is a word that shows the spatial (space), temporal (time), or logical relationship of its object to the rest of the sentence. The words above, near, at, by, after, with and from are propositions.

present
A present is a gift, something you give to someone.

president
A president is the elected leader of a country or organization.

President's Day
Presidents Day (also called Washington's Birthday) is celebrated in the USA on the third Monday of February. It is a Federal holiday in the USA. George Washington was the first President of the United States.

pretzel
Pretzels are salty, knotted snacks.
2,3,5,7,11,13,17...

prime number
A prime number is a positive number that has exactly two factors, 1 and itself. Alternatively, you can think of a prime number as a number greater than one that is not the product of smaller numbers. For example, 13 is a prime number because it can only be divided evenly by 1 and 13. For another example, 14 is not a prime number because it can be divided evenly by 1, 2, 7, and 14. The number one is not a prime number because it has only one factor, 1 itself.

prince
A prince is the son of a king or queen.

princess
A princess is the daughter of a king or queen.

project
A project is a task that accomplishes something. Crafts projects are fun to make.

pronghorn
Pronghorns are the fastest moving mammals in North America.
I, me, she, her, he, you

pronoun
A pronoun is a substitute for a noun. Some pronouns include: I, me, she, her, he, him, it, you, they, them, etc.

propeller
A propeller is a device with blades that is turned by an engine; it makes boats (and some airplanes) move.

proper noun
A proper noun denotes a specific person, place, or thing that has a name and is capitalized (like Tom, Delaware, or the Titanic).

Protoceratops
Protoceratops was a small, frilled, plant-eating dinosaur.

protractor
A protractor is a device that measures angles.
"Haste makes waste."

proverb
A proverb is a short saying that tells a commonly-known truth.

prow
The prow is front part of a ship.

prune
A prune is a dried plum.

Pteranodon
Pteranodon was a flying, prehistoric reptile (a pterosaur) with a large head crest and no teeth. It was related to the dinosaurs, but was not a dinosaur. Pteranodon means "winged and toothless."

Pterodactyl
Pterodactyls were a group of flying, prehistoric reptiles with short tails (pterosaurs). They were related to the dinosaurs. Pterodactyl means "wing finger."


pterosaur
Pterosaurs were flying, prehistoric reptiles. They were related to the dinosaurs. Pterosaur means "winged lizard." Pterosaurs ranged in size from a few inches long to over 40 feet long.

pufferfish
Also called blowfish, this poisonous fish can swallow water to double its size.

puffin
The puffin is an Arctic sea bird.

pug
The Pug is a loyal, affectionate dog that has a squarely-built body and a flat, wrinkled face. It was originally bred in China.

pull
When you pull something, you make it move by tugging at it.


puma
A long-tailed wild cat with no spots. It is also known as the cougar, panther, mountain lion, and catamont.

pumpkin
The pumpkin is a large, orange vegetable that grows on a vine.

pumpkin pie
Pumpkin pie is a dessert made from pumpkins. . , ? ! ;

punctuation mark
Punctuation marks are symbols that are used in sentences and phrases to make the meaning clearer. Some punctuation marks are the period (.), comma (,), question mark (?), exclamation point (!), colon (:) and semicolon(;).

pupa
A pupa is the stage in a butterfly's life when it is changing from a a caterpillar into a butterfly. It is also called the chrysalis.


pupil
A pupil is a student, a person who is being taught.

pupil
A pupil is the opening in the center of the eye's iris - the pupil looks like a black circle in the middle of the eye.

puppet
A puppet is a doll that you put your hand in, making it move.

puppy
A puppy is a young dog.

purple
The color purple is made by mixing red and blue paint.


purse
A purse is a small bag in which some girls and women carry their money and other things.

push
When you push something, you make it move by pressing against it.
puzzle
Puzzles can be confusing but fun.

pyramid
A pyramid is a shape that has a flat polygonal base and triangular sides that meet at a point on the top. The pyramids in Egypt are huge buildings build by ancient Egyptians.

python
A python is a large, constricting snake.




Q is for ...


quadrilateral
A quadrilateral is a four-sided figure. The square, rectangle, rhombus, trapezoid, kite, and parallelogram are quadrilaterals.

quadruped
A quadruped is an animal that walks on four legs. Dogs and cats are quadrupeds. Many dinosaurs, such as Triceratops, were quadrupeds.

quadruplets
Quadruplets are four siblings (brothers and/or sisters) who are born at the same time from the same mother.

Quaesitosaurus
Quaesitosaurus was plant-eating dinosaur with a long neck and a long tail.

quagga
The quagga is a recently-extinct relative of the zebra.

quail
A quail is a bird; it spends a lot of time on the ground.

quart
Four quarts make one gallon. 1/4
quarter
When something is divided into four equal parts, each of these four parts is a quarter of the original object.

quarter
A quarter is a coin that is worth 25 cents. Four quarters make one dollar.

quartz
Quartz is a common crystalline mineral.


quasar
A quasar is a distant energy source in space which gives off large amounts of radiation.

queen
A queen is a hereditary ruler of a country.

Queen Alexandra's birdwing butterfly
Queen Alexandra's Birdwing is the biggest butterfly in the world. Its wingspan is about 1 foot (30 cm) wide.

queen conch
The queen conch is a large, shelled animal from warm seas. It is in danger of extinction.

question mark
A question mark lets you know that a sentence is a question.

quetzal
The quetzal is a beautiful rain forest bird with very long tail feathers.

Quetzalcoatlus
Quetzalcoatlus was a giant pterosaur and the largest flying animal ever. It went extinct millions of years ago.

quicksand
Quicksand is very wet sand that acts like a liquid. Things can sink into quicksand.

quiet
When it is quiet there is no noise.

quilt
Quilts keep you warm at night.


quintuplets
Quintuplets are five siblings (brothers and/or sisters) who are born at the same time from the same mother.

quiver
Arrows are carried in a quiver.

quiz
A quiz is a short test.

quokka
The Quokka is a plant-eating marsupial from Australia, a small wallaby (a type of kangaroo).


quoll
The Quoll is a cat-sized carnivorous marsupial from the island of Tasmania and mainland Australia. "One if by land, .."

quotation marks
Quotation marks are used around a quote, when you want to relay exactly what was said or written. "Hello"

quote
When you quote someone, you relay exactly what they said or wrote.

quotient
The quotient is the answer in long division. The dividend divided by the divisor is the quotient (plus a remainder).


R is for ...


rabbit
A rabbit is a small, cute mammal with big ears.

raccoon
The raccoon is a mammal with mask-like markings on its face and a ringed tail.

racket
A racket is used to hit a ball or shuttlecock in sports like tennis and badminton.

radar
Radar is a device that uses reflected radio waves to located objects at a distance. Radar is short for "radio detection and ranging."

radio
A radio lets you hear broadcast music and talk shows.


radish
A radish is a sharp-tasting vegetable that grows underground.

radius
The radius is the distance from the center of a circle (or a sphere) to the edge.

railroad tracks
Trains run along railroad tracks.

rain
Rain is water that falls from clouds. Rain is measured using a rain gauge.
rainbow
A rainbow appears when sunlight passes through bits of water in the air. The white light is broken up into many colors.


rainbow lorikeet
A small, colorful, brush-tongued parrot from Australia.

raincoat
A raincoat keeps you dry when it rains.
rain forest
A rain forest is a wet tropical environment teeming with plants and animals.

rainstick
A rainstick is a ceremonial musical instrument used to invoke the rain spirits. In Chile, rainsticks are traditionally made from dead cactus tubes with hundreds of cactus spines hammered into the tube. Tiny lava pebbles cascade gently through the tube, sounding much like rain.

raisin
Raisins are dried grapes.


rake
A rake is a garden tool that helps gather grass and leaves.

raspberry
Raspberries are a type of edible berry that grows on a prickly vine.

rat
A rat is a rodent with a long tail and a pointed snout. 1/2

ratio
A ratio is the relationship between two numbers.

rattle
A rattle makes noise when you shake it.


rattlesnake
Rattlesnakes are poisonous snakes that have a rattle at the end of their tail.

ray
A ray is a flat fish that is related to the sharks. Many have a long tail that stings.

read
People read newspapers, books, magazines, the internet, and other things.

recipe
A recipe is a set of instructions for making a type of food.

recorder
A recorder is a small wind instrument.

rectangle
A rectangle is a four-sided figure whose sides are at right angles to each other.

recycle
When items are recycled, they are re-used. For example, used paper can be recycled into new paper.

red
Red is the first color in the rainbow.
red-eyed tree frog
The red-eyed tree frog is a rain forest frog with bright red eyes.

red panda
Red Pandas are bear-like mammals from mountains in Asia.


red wolf
Red wolves are endangered meat-eaters from the eastern USA.

redwood
The redwood is the tallest tree, growing up to 360 feet tall.

reef
Reefs are warm, clear, shallow ocean habitats that are rich in life.

refrigerator
A refrigerator is a machine that keeps food cold.

reindeer
Reindeer live in the far north.


remainder
The remainder is the fractional part of the answer in long division. The dividend divided by the divisor is the quotient plus the remainder.
remote control
A remote control lets you operate a machine from far away.

reptile
Reptiles are a group of scaly, egg-laying animals. Lizards, snakes, turtles and dinosaurs are reptiles.
Revere, Paul
Paul Revere was a silversmith who warned American partiots that the British were coming as the American Revolution began.

rhea
The rhea is a large, flightless bird from South America.


rhinoceros
A rhinoceros is a huge animal that has one or two horn-like spikes on its head. This mammal is also called a rhino.

Rhode Island
Rhode Island is a state in the eastern United States of America. Its capital is Providence.

rhombus
A rhombus is a parallelogram with equal-length sides.

rhyme
Words that rhyme have endings that sound the same, like cat and hat, or kite and light.


ribbon
You can tie a bow in a ribbon to decorate something.

rice
Rice is a food. It is a grain that grows in warm, wet soil. Rice is an important food in much of Asia.
ride
When you take a ride, you travel on something else, like a bicycle, a horse, or other means of transportation. ?
riddle
A riddle is a question that is a puzzle or a joke.

right
Right is the opposite of left.


right angle
A right angle looks like the corner of a square; it extends ninety degrees.
right triangle
A right triangle has one angle that is a right angle (extending 90 degrees).

right whale
Right whales are baleen whales with a huge head and an arched mouth. They were almost hunted to extinction.

ring
A ring is a piece of jewelry that goes on your finger.

river
A river is a large, flowing body of water that usually empties into a sea or ocean.


river otter
River otters are aquatic mammals from North America that have a streamlined shape.

roach
A roach is a type of insect. It has six legs and white blood.

road
A road is a wide path made for travelling.

roadrunner
The roadrunner is a bird is a fast running bird that rarely flies.

robin
The robin is a common bird with red-colored feathers on its breast.


robot
A robot is a mechanical worker.

rock
A rock is a stone. The Earth's crust is made of rock.

rocket
A rocket is a machine that propels itself into space.

rockhopper penguin
The rockhopper penguin is a small, aggressive, crested bird that cannot fly.

rocking horse
Children can rock on a rocking horse.


rodent
Rodents are mammals whose two front teeth continue to grow throughout their lives. Rats, mice, beavers, squirrels, hamsters, and gerbils are rodents.

roll
A roll is a small piece of baked dough.

roll
Many items, like paper towels, come on a roll.

roller skate
When you wear roller skates, you can roll along the ground.

rolling pin
A rolling pin is used to roll out dough.


Roman numerals
Thousands of years ago, in ancient Rome, the Romans used a system of numbers that we call Roman numerals. In this system, I=1. V=5, X=10, L=50, C=100, D=500, and M=1,000.

roof
The roof is the top covering of a building.

room
A room is a part of a building that is separated off by walls.

rooster
A rooster is a male chicken.

roots
The roots are the parts of a plant that gets water and other nutrients from the soil. Roots also store energy and provide support for the plant. Most roots grow underground.


rope
A rope is useful for tying things together or playing jump rope.

rose
The rose is a beautiful flower with a sweet scent.

Rottweiler
The Rottweiler is a powerful, muscular, determined dog that was originally bred in Germany to guard and herd cattle.

round
Round things are curved. A circle is round.

rowboat
A rowboat is a small boat that is propelled by oars that a person moves.


rubber band
A rubber band is very stretchy.

ruby
A ruby is a hard, shiny, red jewel.

rug
A rug is a floor covering made of woven yarn or thick fabric.

ruler
A ruler is a straight piece of material that is used for measuring distances or drawing straight lines.

run
Running is faster than walking.

Russia
Russia is the biggest country in the world; it is in both Europe and Asia. Russia's capital is Moscow.




saber-toothed cat
The saber-toothed cats (also called saber-toothed tigers) were large meat eaters that lived during the last ice age.

Sacajawea
Sacajawea, also spelled Sacagawea (1788-1812) was a Shoshone Indian woman who guided and acted as an interpreter and negotiator for Lewis and Clark on their exploratory expedition in the western USA.

sack
A sack is a container. You can put things in a sack.

sad
Sometimes people cry when they're sad.

safety pin
A safety pin is a type of pin that is used to fasten clothes and diapers.


said
Said is the past tense of the verb say.

sail
A sail is a large piece of strong fabric that catches the wind and propels a boat or sailboard through the water.

sailboat
A sailboat is a boat that has sails and is powered by the wind.

sailfish
The sailfish is a deep-sea fish. It is the fastest fish in the sea and can swim up to 68 miles per hour (110 kph).

Saint Bernard
A large, muscular, heroic dog originally from Switzerland.


salad
A salad is a type of food that is usually made with lettuce and other vegetables.

salamander
Salamanders are amphibians that retain their tail as an adult.

salami
Salami is a type of salty, spicy meat product, usually made from beef and/or pork.

salmon
Salmon are fish that live in the sea and spawn in fresh water.

salt
Salt is an important crystalline mineral that we use to season our food.


samurai
Samurai were Japanese warriors.

sand
Sand is a loose material composed of fine debris of rock and mineral particles.

sandals
Sandals are open shoes worn in warm weather.

sandcastle
A sandcastle is a small castle made of damp sand.

sand dollar
Sand Dollars are coin-shaped spiny-skinned sea bed animals that have 5-part radial symmetry.


sandwich
A sandwich is cheese, peanutbutter, meat, or another filling between two slices of bread.

satellite
Satellites orbit the Earth.

Saturn
Saturn is the sixth planet from the Sun. It has beautiful rings.

Saurornithoides
Saurornithoides was a small, fast-moving, meat-eating dinosaur.

sausage
Sausage is a type of meat.

savanna
A savanna is a hot, seasonally dry grassland with scattered trees.

saw
A saw is a tool that cuts things.

saxophone
The saxophone is a large woodwind instrument. It was invented by Adolph Sax around 1840.

say
When you say something, you are talking.



scale
A scale is a machine for weighing things.

scalene triangle
The sides of a scalene triangle are all different lengths.

scales
Scales are thin, hard, overlapping plates on some animals. Fish are covered with scales. Butterfly wings are made of scales.

scallop
Scallops are animals that have two shells and live on the ocean floor.


scarecrow
A scarecrow is a figure of a person that is made of straw. It is used to scare crows away from crops.

scared
When you're scared, you are afraid.

scarf
A scarf is a piece of cloth that people wear around their neck or on their head.

school
A school is a place where you learn things.

school bus
A school bus carries children to and from school.


science
Scientists study science to learn about the physical world.

scissors
Scissors are used for cutting things, like paper.

scorpion
The scorpion is a venomous arachnid with a large stinger on its tail. Scorpions are found on all the continents except Antarctica.

Scottish terrier
The Scottish terrier (also known as the Scotty) is a small dog that was originally bred to hunt foxes and badgers.

scream
When you scream, you talk in a very loud, emotional voice.


screw
A screw is a threaded metal fastener that has a slotted head.

screwdriver
A screwdriver is a tool that is used to put in and remove screws.

script letters
Script letters are curved letters that connect to one another. They are also called cursive letters.

scroll
A scroll is a long, rolled up piece of paper.

scuba diver
Scuba divers swim under the water and carry their own air in a tank on their back.




sea
A sea is a large body of salt water that is connected to an ocean. A sea may be partly or completely surrounded by land.

sea anemone
A sea snemone is a predatory sea animal that looks like a flower and lives on the ocean floor.

sea cow
Sea cows (also called manatees) are gentle, slow-swimming, aquatic mammals.

sea cucumber
Sea cucumbers are cylinder-shaped animals that live on the sea floor.


sea gull
Sea gull is the common name for some birds that live near oceans and lakes.

sea horse
The sea horse is a very strange type of fish - it has a long snout and a curled tail.
seal
A seal is an emblem (symbol) of a country, family, or other group.

seal
Seals are animals that live in the ocean but breathe air. They are marine mammals.

sea lion
Sea lions are eared seals that live off the coast of western North America.


sea otter
Sea otters are marine mammals with very dense, waterproof fur.

seasons
There are four seasons in the year: winter, spring, summer, and fall (also called autumn).

sea star
Sea stars, another name for starfish, are animals that live on the ocean floor.

sea urchin
The sea urchin is a spiny, globular animal that lives on the ocean floor.

seaweed
Seaweed is a plant that lives in the sea.


second
The second person or item comes after the first and before the third.

second
There are 60 seconds in a minute.

second hand
The second hand on a clock tells you how many seconds have gone by.

sedimentary rock
Sedimentary rock is rock that has formed from sediment and is where most fossils are found.

see
We see with our eyes. Our eyes give us a sense of sight.


seeds
Seeds grow into plants.

seesaw
Seesaws go up and down.

Segisaurus
Segisaurus was a fast-moving, goose-sized dinosaur.

Segnosaurus
Segnosaurus was meat-eating dinosaur that lived in what is now Mongolia.

Seismosaurus
Seismosaurus was a long-necked, plant-eating dinosaur that was over 130 feet long. Its name means "earthquake lizard."


semicircle
A semicircle is half a circle. ;

semicolon
A semicolon is a punctuation mark; it is used to separate major parts of a compound sentence.

senses
People have five senses, the sense of sight, hearing, tough, smell, and taste. The dog is brown.
Do you like apples?

sentence
A sentence is a group of words that is a statement, question, exclamation, or command.

September
September is the ninth month of the year.


serpent
A serpent is a reptile with scaly skin and no legs or arms.

serval
The serval is a long-legged African wild cat.

seven
There are seven days in the week.

sew
You can sew using a needle and thread. Clothes are made by sewing.

sewing machine
A sewing machine sews stitches very quickly and easily. The sewing machine was invented in 1846 by Elias Howe.



shampoo
A shampoo is a liquid soap used to wash hair. When you shampoo your hair, you wash it.

shamrock
Shamrocks are small green plants with three-part leaves.

shapes
Everything has a shape.

shark
Sharks are meat-eaters that have no bones, only cartilage (which is softer than bone) in their skeleton.

sheep
Sheep are farm animals that are raised for wool and meat.


sheepdog, old English
The old English sheepdog is an affectionate, long-haired dog that was originally bred in Great Britain.

shelf
A shelf is a small platform on which things can be placed.

shell
Some animals grow a shell for protection.

ship
A ship is a very large boat.

shirt
Some shirts have short sleeves, some have long sleeves, and some have no sleeves at all.


shoe
People wear shoes on their feet.

shooting star
A shooting star is not a star; it is a meteor (made of rock and/or iron) which is burning up in the Earth's atmosphere.

short
When someone or something is short, it is below average height.

shorter
The boy in the middle is shorter than the boy on the right.

shortest
The boy on the left is the shortest of the three.


shorts
Shorts are pants that reach above or around the knees.

shoulder
Your shoulders are under your neck.

shovel
Shovels are used to dig.

shower
When you shower, you wash your body in a stream of falling water.

shrew
Shrews are the tiniest mammals. They are ferocious meat-eaters.


shrimp
Shrimp are small animals that live in the water.

shrub
A shrub is a low-lying plant or bush that has a woody stem.

shrug
When you shrug, you raise your shoulders in order to show that you don't know, aren't interested in, or have doubts about something.

shut
When something is shut, it is not open The door is shut.



siamang
The siamang is a rare, black, long-armed ape from rainforests in southeast Asia.

sick
When you are sick, you are not healthy.

sidewalk
A sidewalk is a paved path for people to walk on.

silk
Silk is a delicate thread that is used to make fine fabric. Silk is obtained from the cocoon of the silkworm moth.


silkworm
The silkworm moth is an insect (not a worm) that produces a silken cocoon. This cocoon is harvested to make silk thread.

silo
A silo is a building in which bulk food, like wheat, is stored.

silver
Silver is a valuable metal; it is also the shiniest metal. Some coins and jewelry are made from silver.

sink
We can wash our hands at a sink.


sisters
Sisters are girls or women who have the same parents.

sit
When you sit you rest your legs.

Sitting Bull
Sitting Bull was a great Sioux Indian chief and the last chief to surrender to the U.S. government.

six
Insects have six legs.




skeleton
A skeleton is the set of bones in a body. People have skeletons, and so do many other animals.

ski
A ski is one of a pair of long, narrow planks used to glide over snow or water.

skin
The skin is the outer covering of our body.

skink
A skink is a type of lizard that has a long body and short legs.

skirt
A skirt is a piece of clothing that is worn on the lower part of the body.


skull
The skull is the bony structure of head that encloses the brain and supports the jaws. This is a T. rex skull.

skunk
Skunks are mammals that can produce a terrible smell.

sky
The sky is blue.

skyscraper
A skyscraper is a very tall building.

sleep
We need to sleep every night.


sleeping bag
A sleeping bag is a fabric sack you can sleep in.

sleet
Sleet is freezing rain.

slice
When something is sliced, thin pieces are cut from it.

slide
A slide is a playground toy that you climb up on and then slide down. You can go very fast on a slide.

slip
If you lose your balance, you can slip.


slipper
A slipper is a casual shoe worn around the house.

sloth
The sloth is a slow-moving, nocturnal, rainforest mammal that lives hanging upside-down from trees.

slow
When something is slow it does not move quickly.

slow worm
The slow worm is a legless lizard that looks like a snake (it is not a worm at all).

slug
The slug is an animal that lives in moist areas.



small
When someone or something is small, it is below average size.

smaller
The boy in the middle is smaller than the boy on the right.

smallest
The boy on the left is the smallest of the three.

smart
Someone who is smart can think well.

smell
We smell odors with our nose.


smile
People usually smile when they're happy.

Smilodon
Smilodon was the largest saber-toothed cat. It was a meat eater that lived during the last Ice Age.

snail
A snail is a small, slow animal with its own shell.

snake
A snake is a reptile with a long, narrow body and no legs. It has skin with scales.

snap
To break with a sharp sound.


sneaker
A sneaker is a type of shoe used for many sports.

snow
Snow is flakes of frozen water that fall from clouds when it is very cold.

snowflake
Snowflakes are made of snow - they are crystals. No two snowflakes look alike, but they all have six sides.

snow goose
The snow goose is a migratory bird from North America.

snowman
Snowmen are figures made from snow. They melt when the weather gets warm.


snowy owl
The snowy owl is a white owl that lives in the North American tundra (a cold, snowy environment).


soap
Soap and water help clean things.

soccer ball
A soccer ball is made up of pentagons and hexagons.

sock
We wear socks under our shoes.

sofa
A sofa is a large, soft piece of furniture that many people can sit on.

soil
Plants grow in soil.


Solar System
In our Solar System, eight planets, one dwarf planet, many asteroids, comets, and other objects orbit around our sun.

soldier
A soldier is a person who fights for a country.

solid
A solid is a matter in which the molecules are very close together and cannot move around. Ice, quartz, and diamonds are solids.

son
A son is a male offspring.

sonar
In sonar (also called echolocation), a high-pitched sound (usually clicks) is sent out. The sound bounces off the object and some returns. The returning echo is interpreted to determine the object's shape, direction, distance, and texture. Dolphins (and other toothed whales) and some bats use sonar to navigate and find prey.


soup
Soup is a type of food. Vegetable soup and chicken soup are two kinds of soup.

south
South is a compass direction. South is opposite from north.

South America
South America is a continent in the Western Hemisphere. It is bordered by the Atlantic Ocean (on the east) and the Pacific Ocean (on the west). Some of the many countries in South America include Brazil, Argentina, Chile, Peru, Bolivia, Colombia, Paraguay, Uruguay, Ecuador, and Venezuela.


South Carolina
South Carolina is a state in the eastern United States of America. Its capital is Columbia.

South Dakota
South Dakota is a state in the United States of America. Its capital is Pierre.


Southern Hemisphere
The Southern Hemisphere is the half of the Earth that is south of the equator.
Southern Ocean
The Southern Ocean surrounds the continent of Antarctica and extends to 60 degrees latitude.

South Korea
South Korea is a country in eastern Asia.
South Pole
The south pole is the southern-most point on the Earth; it is located on the continent of Antarctica.

space shuttle
The space shuttle flies into space and back down again, carrying people and equipment.

spacesuit
Astronauts wear spacesuits when they walk in space.
sparrow
The sparrow is a small, common songbird.

spatula
A spatula is a tool that has a wide, flat end.

speak
People speak in many different languages.


spectacled bear
The spectacled bear is the only South American bear. It has markings around its eyes that look like glasses.

spectacles
Spectacles is another word for glasses.

sphere
A sphere is a ball-shaped object.

sphinx
The sphinx is a mythical beast that has the body of a lion and the head of a person. The ancient Egyptians built a huge stone sphinx at Giza near the pyramids. The sphinx of the ancient Greeks also had the wings of an eagle.

spider
A spider is an arachnid (and not an insect). It has eight jointed legs, a two-part body, and an exoskeleton.


spiderling
A spiderling is a young spider. Spiderlings hatch from eggs.

spine
The spine (also called the backbone) is a series of connected bones in the back that surround and protect the spinal cord.

Spinosaurus
Spinosaurus was a sail-backed, meat-eating dinosaur.

spiral
A spiral is a curve that winds in on itself. Snail shells have a spiral pattern.

splash
When a liquid splashes, parts of it scatter around. Children like to splash around in a pool.


splatter
When something is splattered, parts of it are scattered around. Paint can splatter when you are doing art work.

splendid
When something is splendid, it is very, very good.

splinter
A splinter is a small, pointy piece of wood (or other substance). It hurts when you get a splinter under your skin.

split
When something is split, it is divided into two pieces.

sponge
A sponge is a primitive animal that lives in the water.


sponge
Sponges are absorbent objects used to clean things.

spool
A spool holds thread.

spoon
A spoon is used for eating food like soup and cereal.

sports
Playing sports is fun and good exercise.

spotted owl
The spotted owl is an owl from the Pacific coast of North America.


spout
Liquids pour out of a spout.

spray
A spray is a fine mist of a liquid.

spray can
A fine mist of liquid comes out of a spray can.

spring
Spring is the season after winter and before summer.

spring
A spring is a coiled length of metal that goes back to its original shape after it is squeezed or stretched.


spyhopping
Spyhopping is when a whale pokes its head up out of the water and turns around, perhaps to look around.

square
A square has four, equally long sides which are at right angles to each other.

squash
Squash grows in warm weather.

squid
Squids swim in the oceans. They have ten arms and an ink sac.

squirrel
Squirrels are rodents.



stadium
A stadium is a large building in which sports events are held.

stamp
You must put a stamp on a letter for it to be delivered.

stand
When you stand, you are on your feet.

stapler
A stapler is a device that attaches papers to each other using a small piece of metal.

star
A star is a shape that has many points.


starfish
Starfish (also known as sea stars) are animals that live on the ocean floor.

stars
Each of the stars we see in the night sky is another sun, but much farther away than our sun.

static electricity
Static electricity can give you a mild shock when you touch metal objects during dry weather.

Statue of Liberty
The Statue of Liberty is a huge statue located in New York Harbor. It was gift to the USA from France.

St. Bernard
A large, muscular, heroic dog originally from Switzerland.


steak
Steak is a slice of meat.

steamshovel
A steamshovel is a machine that digs large holes and can move dirt.

Stegosaurus
Stegosaurus was a plant-eating dinosaur that had armored plates along its back.

stem
The stem is the part of a plant that provides support for the plant.

stick
A stick is a small piece of wood.


stick insect
The stick insect (also called the walkingstick) is a long, slow-moving, plant-eating insect that looks like a twig.

sticker
A sticker adheres (sticks) to things.

stingray
A stingray is a flat fish with cartilage instead of bones. Its sting is in its tail.

stomach
The stomach is a pouch-like organ that is part of the digestive system. The stomach helps digest food by churning it in an acid bath.

stone
A stone is a rock.


stool
A stool is a seat with neither arms nor a back.

stop sign
A stop sign has eight sides.

store
A store is where we can buy things.

storm
A storm is very bad weather, like a hurricane or a typhoon. Once upon a time...

story
A story tells you about an event. It can be real or make-believe.


stove
You can cook food on a stove.

St. Patrick's Day
St. Patrick's Day is a holiday that celebrates Irish heritage. St. Patrick's Day is celebrated on March 17. ________

straight
Something straight is not curvy or bent.

strait
A strait is a narrow body of water that connects two larger bodies of water.

strawberry
The strawberry is a sweet, red fruit.


streak
A streak is a long mark or stripe of color.

stream
A stream is small body of flowing water, a small river.

street
A street is a public road.

string
A string is a thin rope.

string bean
A string bean is a long, thin, green vegetable. It is pod that contains bean seeds. It is also called a green bean.


string instrument
String instruments are musical instruments that are played by plucking, strumming, picking, or bowing the strings. The guitar, violin, viola, cello, double bass, ukulele, lute, harp, and banjo are stringed instrument.

stripe
A stripe is narrow band of color. The US flag has 13 red and white stripes.

student
A student is a person who is learning.

stump
A stump is the part of a tree that is left in the ground after it has been cut or has fallen down.

Styracosaurus
Styracosaurus was a plant-eating dinosaur that had a big nose horn and a horned frill.



submarine
A submarine is a vessel that can travel underwater and carry people. 1-1=0

5-3=2

subtraction
Subtraction is the operation of taking one number away from another.

sugar
Sugar is a sweet food.

sugar glider
This small marsupial (also known as the lesser flying phalanger) glides from tree to tree in Australia and nearby islands.

suit
A suit is a set of matching clothes.


suitcase
When you travel, you carry your clothing in a suitcase.

summer
Summer is the season between spring and fall (autumn).

Sun
The Sun is a medium-sized yellow star in our Solar System. We get our light and most of our energy from the Sun.

sun bear
The sun bear is the smallest bear. It lives in Asia and is quite ferocious. This mammal is also known as the honey bear and the Malay bear.

sunfish
The sunfish is a large fish with an almost circular, flattened body.


sunflower
A sunflower is a plant that turns to face the sun.

sunglasses
Sunglasses help to protect your eyes from too much sunlight.

sunrise
Sunrise is the time when the sun rises.

sunset
Sunset is the time when the sun sets below the horizon.

Supersaurus
Supersaurus was a long-necked, plant-eating dinosaur that was about 100 feet long. Its name means "super lizard."


swamp
A swamp is a warm, wet forested area that is teeming with both animal and plant life.

swan
Swans are long-necked water birds.

swarm
A swarm is a group of flying insects, like bees.

sweep
You can sweep the floor with a broom.

swim
You swim to move around in the water.


swim fins
People wear swim fins on their feet to help them swim.

swimsuit
A swimsuit is a garment you wear while swimming.

sword
A long time ago, soldiers fought with swords.

swordfish
The swordfish is a large fish with a long, sharp bill.

symbol
A symbol is a mark or sign that stands for something else. For example, the symbol & means and.


synonym
Synonyms are words that have almost the same meaning, like the words car and automobile.

Syntarsus
Syntarsus was a fast-moving, meat-eating dinosaur that lived during the Jurassic period.



T is for ...


table
A table is a piece of furniture with a flat top and legs.

tadpole
Tadpoles are baby frogs or toads.

tag
A tag is a label put on something.

taiga
A taiga is a cold woodland or forest with evergreen trees.

tail
Some animals have a tail.


tail
The tail is the rear section of an airpane.
Once upon a time...

tale
A tale is a story.

talk
People talk in many different languages.

tall
When someone or something is tall, it is above average height.

taller
The boy in the middle is taller than the boy on the left.


tallest
The boy on the right is the tallest of the three.

tally marks
Tally marks are a quick way of keeping track of numbers in groups of five. One vertical line is made for each of the first four numbers; the fifth number is represented by a diagonal line across the previous four.

tambourine
A tambourine is a musical instrument.

tangram
A tangram is a traditional Chinese puzzle that can be made into many shapes.

tanker
A tanker is a truck that carries liquids, like milk or gasoline.


tape
Tape is a long, sticky ribbon that is used to fix things or to stick things together.

tape measure
A tape measure is used to measure things.

tapir
A tapir is a plant-eating, hoofed mammal with a small trunk.

tarantula
A tarantula is a large, hairy spider.

target
A target is something you aim at.


tarsier
Tarsiers are small mammals with enormous eyes.

Tasmanian devil
Tasmanian devils are nocturnal (most active at night), meat-eating marsupials from Tasmania, an island off mainland Australia.

Tasmanian tiger
The Tasmanian tiger was a large, meat-eating marsupial from Tasmania, mainland Australia, and New Guinea. It is probably extinct.

taxi
People pay a taxi driver to drive them places.

tea
Tea is a drink that is brewed from tea leaves.


teach
When you teach someone, they learn something.

teacher
A teacher is someone who helps you learn.

team
A team is a group of people that work together towards a goal.

teapot
You can brew tea in a teapot.

tears
Tears come out of our eyes when we cry.


teddy bear
Teddy bears are fun to cuddle.

tee
A tee holds a ball in postion so you can hit it.

telephone
You can talk with people who are far away by using a telephone.

telescope
A telescope is a optical device that makes faraway objects appear closer and larger, allowing us to see distant objects in space.

television
A television is a machine that receives pictures and sounds. People watch and listen to shows on television.


ten
People have ten fingers and ten toes.

Tennessee
Tennessee is a state in the eastern United States of America. Its capital is Nashville.

tennis
Tennis is a sport in which a ball is hit over a net with a racket.

tennis racket
A racket is used to hit a ball or shuttlecock in sports like tennis and badminton.


tent
A tent is a temporary shelter made of fabric.

tepee
A tepee is a house made by some Native Americans.

tern
Terns are birds that are sometimes called "sea swallows."

terrier
Terriers are dogs that were originally bred to drive small animals from their burrows.

test
A test determines if you have learned something or not.


tetrahedron
A tetrahedron is a pyramid formed by four triangles.

Texas
Texas is a very large state in the south central United States of America. Its capital is Austin.

Thanksgiving Day
Thanksgiving Day is a holiday during which people give thanks. In the USA it is celebrated on the fourth Thursday of November. The first Thanksgiving in the USA was a feast in 1620 shared by the Pilgrims (who had recently settled Plymouth Colony in what is now Massachusetts) and the Wampanoag Indians, who shared their food. In Canada, Thanksgiving is celebrated on the second Monday in October.

thermometer
A thermometer is used for telling what the temperature is.


Thescelosaurus
Thescelosaurus was a plant-eating dinosaur whose four-chambered, fossilized heart has been found.

thin
The opposite of thin is fat.

think
You can think of amazing things.

third
The third person or item comes after the first and second. 13
******
*******
thirteen
Thirteen is the number after twelve (12) and before fourteen (14).

Thirteen Colonies
There were thirteen (13) British colonies in eastern North America in the 1700's. They revolted against British rule and eventually became the United States of America. 30
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**********
**********
thirty
Thiry is the number after twenty nine (29) and before thirty one (31). 1,000

thousand
One thousand is a whole number that is equal to 100 times 10.

thread
Thread is used to sew things and to make fabric.

three
A tricycle has three wheels. A triangle has three sides. A Triceratops has three horns. Tri means three!


three-toed sloth
The sloth is a slow-moving mammal that lives hanging upside-down from trees.

thresher shark
The thresher shark has a a greatly-elongated top part of the tail.

throw
When you throw something, you use your arm to send it through the air.

thumb
The thumb is the widest finger on a person's hand. The thumb is next to the pointing finger. All apes (like gorillas and chimps) have thumbs.

thunderstorm
A thunderstorm is a an electrical storm with lightning (flashes of bright light), which creates thunder (very loud sounds).


tic-tac-toe
Tic-tac-toe is a game for two players. The winner has to get three marks in a row.

tickle
Tickling someone can make them laugh.

tie
A tie is a narrow band of fabric tied around the neck.

tiger
Tigers are large, fierce cats that have stripes.

tiger shark
Tiger sharks are large, fierce sharks that have faint stripes.


tiger swallowtail butterfly
The tiger swallowtail is a butterfly with black and yellow markings, and elongated tails on its hind wings.

time
Time is measured in seconds, minutes, hours, days, weeks, months, and years.

timeline
A timeline is a graphic display that shows a series of events that happen in a time period.

time zone
The Earth is divided into 24 time zones so that everyone in the world can be on roughly similar schedules (like having noon when the sun is highest in the sky).

tiny
When someone or something is tiny, it is very small.


tinier
The boy in the middle is tinier than the boy on the right.

tiniest
The boy on the left is the tiniest of the three.

tire
A tire is an air-filled covering for a wheel. Cars, bicycles, and many other vehicles use tires.

toad
Toads are amphibians with poison glands and usually warty skin.

toadstool
A toadstool is a poisonous mushroom.


toaster
A toaster is a machine that heats up slices of bread, making toast.

today
Today is the day it is right now.

toddler
Toddlers are young children.

toe
We have five toes on each foot.

toenail
Toenails grow at the ends of your toes.


together
When people or things are together, they are in the same area.

toilet
Toilets are in bathrooms.

tomato
Tomatoes are soft and tangy; they grow on vines.

tongs
Tongs are a type of simple tool used to pick up things.

tongue
Our tongue helps us eat, taste, and talk.


tongue twister
Tongue twisters are hard to say!

tools
Tools help us do work and make things.

tool box
Tools are stored or carried in a tool box.

tooth
We use our teeth to chew food. Teeth are held in the gums by roots.

toothbrush
You can keep your teeth healthy by using a toothbrush to clean them.


toothpaste
You use toothpaste to clean your teeth.

torch
A torch is a device that carries a flame.

tornado
A tornado is rapidly spinning air that is very dangerous. Tornados are funnel-shaped. If a tornado travels over a body of water, it is called a waterspout.

Torosaurus
Torosaurus was a large, plant-eating dinosaur with three horns, a huge, bony frill, and a huge skull.

torus
A torus is a doughnut-shaped object.


totem pole
A totem pole is a large, Native American wooden carving representing family history and spirits.

toucan
The toucan is a rainforest bird that has a big, colorful beak.

touch
When two things touch, they are in physical contact with each other.

towel
You can dry things with a towel.

town
A town is a very small city.


tow truck
A tow truck is a strong truck that can pull cars and other trucks when they cannot move.

toys
We play with toys.

Trachodon
Trachodon was a duck-billed, plant-eating dinosaur. It is known only from its fossilized teeth.


tracks
Animals make tracks when they walk or run.

tracks
Trains run along railroad tracks.


tractor
A tractor is a powerful vehicle that can pull a plow or other farm tools.

traffic light
A traffic light directs traffic safely. Green means go, yellow means prepare to stop, and red means stop.

trail
A trail is a rough, unpaved path.

train
A train has an engine that pulls railroad cars along a track.

trapezoid
A trapezoid is a four-sided figure with exactly two parallel sides.


trash can
A trash can holds garbage.

treasure chest
A treasure chest is a lidded, locked box filled with valuables.

tree
A tree is a plant with a trunk, leaves, and roots.

tree rings
By counting the number of tree rings in a tree's trunk, you can tell how old the tree was.

T. rex
T. rex is short for Tyrannosaurus rex. Tyrannosaurus rex was a huge, meat-eating dinosaur that had short arms and two-fingered hands.


triangle
A triangle is a geometric figure that has three sides.

triangle
A triangle is a musical instrument that has a triangular shape.

Triassic period
Dinosaurs and mammals first appeared during the Triassic period, which lasted from 248 million to 208 million years ago.

Triceratops
Triceratops was a large, plant-eating dinosaur that had three horns on its head.

trilobite
Trilobites are extinct, hard-shelled marine animals that lived in the seas millions of years ago.


triplets
Triplets are three siblings (brothers and/or sisters) who are born at the same time.

trombone
The trombone is a long, brass, musical instrument.

trout
The trout is a torpedo-shaped fish that lives in lakes and streams.

truck
A truck is a vehicle that can carry big loads.

trumpet
Your lips vibrate when you play a trumpet.


trunk
An elephant's trunk is its long nose.

trunk
A trunk is the major support of a tree.

trunk
A trunk is a very large traveling case.

trunk
The trunk is the large compartment in the back part of a car.

t-shirt
A t-shirt is a simple shirt without buttons or a collar.


tsunami
A tsunami is a rare, giant series of waves caused by an underwater earthquake or other large-scale, underwater disturbance.

tuatara
The tuatara is an unusual reptile from islands off New Zealand.

tub
A tub is a large container. Tub is also another word for bathtub.

tuba
The tuba is a large, brass, musical instrument.

tube
A tube is a hollow cylinder through which things can move.


tube
Some pastes and gels (like toothpaste) come in tubes.
Tubman, Harriet
Harriet Tubman (1820 - 1913) was an escaped slave who devoted her life to fighting slavery and championing the rights of women. She helped hundreds of other slaves flee to the north to freedom via the Underground Railroad.

tugboat
A tugboat is a sturdy boat that guides large boats in and out of harbors.

tulip
The tulip is a cup-shaped flower.

tuna
The tuna is a very large, bony fish that lives in the ocean. People eat a lot of tuna.


tundra
A tundra is a cold, treeless area; it is the coldest biome.

turkey
Turkeys are large birds that nest on the ground.

turtle
Turtles are slow animals that have a very hard shell.

tutu
Ballerinas sometimes wear tutus when they dance.

TV
TV is a short name for television.
12
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twelve
Twelve (12) is the number between eleven (11) and thirteen (13). Dozen is another word for twelve.

twenty
Twenty is the number between ninteen and twenty-one. There are twenty (20) apples above.

twig
A twig is a small tree branch.

twins
Twins are two siblings (brothers and/or sisters) who are born at the same time.

twist
When you twist you pivot your body.


twister
Twister is another name for a tornado, a rapidly spinning air that is very dangerous.

two
We have two eyes, two ears, two arms, and two legs.

typewriter
The typewriter is a machine that makes letters and numbers on paper when a person hits the keys.

Tyrannosaurus rex
Tyrannosaurus rex was a huge, meat-eating dinosaur that had had short arms and two-fingered hands. It is also called T. rex.


U is for ...


ugly
Something that is ugly is not nice to look at.

ukulele
A ukulele is a small instrument with four strings.
Ultrasauros
Ultrasauros was a huge, long-necked dinosaur.

Ulysses butterfly
The Ulysses butterfly is a spectacular swallowtail butterfly found in Australian rainforests.


umbrella
An umbrella protects you from the rain.

umbrellabird
The Umbrellabird is a rain forest bird with a large tuft of feathers on its head.

under
The cat is under the table.
underground
Many animals live underground. ABC 123

underline
When you underline something, you draw a line under it.


undershirt
An undershirt is a shirt that is sometimes worn under clothes.

understand
When you understand something, you know it very well or you know how it works.

underwear
People wear underwear under their clothes.

Unenlagia
Unenlagia was a bird-like dinosaur. 1 + 1 ? 3

unequal
Two things are unequal if they are not the same.


ungulate
Ungulates are hoofed mammals.

unhappy
Sometimes people cry when they're unhappy.

unicorn
A unicorn is a mythical, one-horned animal.

unicycle
A unicycle is a vehicle with one wheel that is moved by pedals.

uniform
A uniform is a special outfit worn by members of a group.


United Kingdom
The United Kingdom of Great Britain and Northern Ireland is a country in western Europe. Its capital is London.

United States of America
The United States of America is a country in North America. There are 50 states in the United States of America.

United States presidents
George Washington was the first President of the United States.

universal product code
There are universal product codes on most things in stores. They contain coded information about the item.

unzip
When you unzip something, you open a zipper.


up
Up is the opposite of down. A B C

upper case
Upper case letters (also called capital letters) are used at the beginning of sentences and proper nouns (like people's names).

upside down
When something is upside down, its top is where its bottom used to be.

Uranus
Uranus is the seventh planet from the Sun. Uranus looks bluish and is covered with clouds. It has an unusual, tipped axis, which gives it extreme seasons.

urban
Urban means relating to or located in a city.


urchin, sea
The sea urchin is a spiny, globular animal that lives on the ocean floor.

urn
An urn is a large vase.

us
Us is a word that means yourself and others.

U.S.A.
U.S.A. is short for the United States of America.


use
When you use something you do something with it.

Utah
Utah is a state in the western United States of America. Its capital is Salt Lake City.

Utahraptor
Utahraptor was a fierce, meat-eating dinosaur.

utensils
Utensils are tools used in the kitchen, like knives, forks, and spoons.

V is for ...


vacation
A vacation is a time of rest or a change of everyday activities.

vacuum cleaner
A vacuum cleaner is a device used to clean rugs and floors.

valentine
Valentines are cards that are given to people we like and/or love.

Valentine's Day
Valentine's Day is a holiday that is celebrated on February 14th. People often give cards, flowers or candy to people they love (or like) on Valentine's Day.

valley
A valley is a low place between mountains.


vampire bat
The vampire bat is the only bat that drinks blood.

van
A van is a truck used to haul people and things from one place to another.

vase
Vases are holders for flowers.

vat
A vat is a large tub that holds liquids.

vegetable
Vegetables are very good for you.


vegetation
The plant life of an area is its vegetation.


vehicle
A vehicle moves people and things from one place to another.

Velociraptor
Velociraptor was a very fast, small, meat-eating dinosaur.

Venn diagram
A Venn diagram is a diagram that uses overlapping circles to show relationships among sets of things.

Venus
Venus is the second planet from the Sun and the hottest planet in our Solar System. From the Earth, Venus is the brightest object in the sky except for the Sun and the Moon.


Venus flytrap
The Venus flytrap is a plant that catches and digests bugs.

verb
A verb is a type of word that describes an action or a state of being, like wiggle, walk, run, jump, be, do, have, or think.

Vermont
Vermont is a state in the northeastern United States of America. Its capital is Montpelier.

vertebra
A vertebra is one of the series of small, connected bones in the spine that surround and protect the spinal cord. The plural of vertebra is vertebrae.


Vespucci, Amerigo
Amerigo Vespucci (1454-1512) was an Italian explorer who sailed to the West Indies, discovered the mouth of the Amazon River in South America, and mapped the coast of eastern South America. He was the first person to realize that the Americas were separate from the continent of Asia. America is named for him.

vest
A vest is a sleeveless piece of clothing that is usually worn over a shirt.

veteran
A veteran is a person who has had experience in an occupation. For example, ex-soldiers are often called veterans - especially those who have served in a war.

Veteran's Day
Veteran's Day is a US holiday that honors US war veterans. Veteran's Day is celebrated on November 11; it was originally called Armistice Day, and commemorated the end of World War 1.

veterinarian
A veterinarian is a doctor who helps animals.


viceroy
The viceroy butterfly is a brown and orange, non-poisonous butterfly that is very similar to the monarch butterfly. It can be distinguished from the monarch by the black line that crosses its wings.

videotape
You can record and play images on a videotape.

village
A village is a very small town.

vine
A vine is a plant that doesn't have its own support. It grows on other objects or creeps along the ground.

vinegar
Vinegar is a sour liquid that is used to flavor or preserve foods.


vinegarroon
The vinegarroon is a type of whip scorpion, an arachnid that emits a vinegar-like mist.

viola
The viola is a stringed instrument that is slightly larger than the violin (and deeper in tone than the violin).

violet
Violet is a bluish purple color.

violets
Violets are deep purple flowers.

violin
The violin is a stringed instrument.


viper
A viper is a poisonous snake.

Virginia
Virginia is a state in the northeastern United States of America. Its capital is Richmond.

vocabulary
A person's vocabulary is the group of words that the person understands.

volcano
A volcano is a mountainous vent in the Earth's crust. When a volcano erupts, it spews out lava, ashes, and hot gases from deep inside the Earth.


vortex
Rapidly spinning gas or liquid is called a vortex.

vote
When you vote, you are expressing your choice for something or someone, along with other people as part of a group decision. A, E, I, O, U

vowel
The letters A, E, I, O and U are vowels.

Vulcanodon
Vulcanodon was a long-necked plant-eating dinosaur.

vulture
The vulture is a big, bald-headed bird that eats dead animals.


W is for ...


wagon
You can pull things in a wagon.

waist
The waist is the middle of the body, between the chest and the hips.

walk
To walk is to move on foot. Walking is slower than running.

walkingstick
The walkingstick (also called the stick insect) is a long, slow-moving, plant-eating insect that looks like a twig.

wall
A wall is a side of a building or a room or a fence.


wallaby
Wallabies are small to medium-sized marsupials that are similar to kangaroos.

wallet
People carry money in a wallet.

walnut
A walnut is an edible nut from the walnut tree.

walrus
A walrus is a northern marine mammal with ivory tusks.

wand
A wand is a thin rod that you can carry.


warthog
The warthog is a wild pig from Africa.

washer
A washer is a round, flat object with a hole in it, made of metal or rubber. It is placed next to a nut to help fasten it.

Washington
Washington is a state in the northwestern United States of America. Its capital is Olympia.

Washington, D.C.
Washington, District of Columbia, is the capital city of the United States of America. This city, located between the states of Virginia and Maryland, became the capital of the U.S.A. on July 16, 1790.


Washington, George
George Washington (Feb. 22, 1732-December 14, 1799) was a Revolutionary War hero and the first President of the United States; he served two terms as President.

wasp
A wasp is a flying, stinging insect.

wastebasket
People throw trash in a wastebasket.

watch
A watch is a small clock you can take with you to tell time.

water
Water is a liquid that we drink and use to wash. Water covers over two thirds of the surface of the Earth, and much of our body is made of water.


water bottle
A water bottle holds water.

water cycle
The Water Cycle is the journey water takes as it circulates from the Earth to the sky and back again.

waterfall
When a river falls off steeply, there is a waterfall.

watering can
You can water plants with a watering can.

watermelon
Watermelon is a large, delicious, red fruit with a thick green rind.


waterspout
A waterspout is a tornado that travels over a body of water.

water strider
The water strider is a bug that walks on water.

wave
This girl is waving to her friends.

wave
There are waves of water in the ocean.

we
We is a word that means yourself and others.


weasel
Weasels are small, furry mammals with short legs.

weather
Weather is the state that the outdoors is in, like how windy it is, how hot or cold it is, or if it is raining or snowing.

weather balloon
A weather balloon is a giant balloon that is sent high in the sky to measure weather information, like temperature, wind speed, and air pressure.

weather vane
A weather vane is a device that points the way the wind is blowing.

web
Spiders weave webs to catch insects.


Weddell seal
The Weddell seal is a large, nocturnal marine mammal from Antarctica (near the South Pole).

wedge
A wedge is a tapering block (often made of wood) that is used for holding things in place, splitting things or tightening things.

week
There are 7 days in a week: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday. There are 52 weeks in a year.

weep
Sometimes people weep when they're sad.

welcome mat
You can wipe your shoes on a welcome mat.


well
A well is a deep hole in the ground from which you get water.

west
West is a compass direction. West is opposite east.

West Virginia
West Virginia is a state in the eastern United States of America. Its capital is Charleston.

wetlands
Wetlands are wet areas that are teeming with both animal and plant life.


whale
Whales are large marine mammals. Whales breathe air using lungs.

whale shark
The whale shark is the biggest shark and the biggest fish, but it eats tiny food that it sieves through its gills. It is not a whale; it is a shark.

wheat
Wheat is a grain. Flour is made from ground-up wheat.

wheel
A wheel is a circular object that rotates around its center.

wheelbarrow
A wheelbarrow is a small cart with one wheel and two handles.


wheelchair
A wheelchair is a chair on wheels that handicapped people can use to get around.

whelk
Whelks are ocean animals with a hard, spiral shell. ??

which
WhIch is a pronoun that asks the question, "What particular one?"

whippet
The whippet is a confident, fast-running dog that was originally bred in Great Britain.

whirlwind
Rapidly spinning air is called a whirlwind.


whisk
A whisk is used to beat eggs or batter.

whistle
A whistle makes a loud, shrill sound.

white
Snow is white.

White House
The White House is where the President of the United States lives and works. The address of the White House is 1600 Pennsylvania Avenue NW, Washington, D.C.

wide
When something is wide, it takes up a lot space from side to side.


wife
A wife is a married woman.

wig
A wig is fake hair.

wiggle
When you wiggle you twist and move all over.

wild cat
The African wild cat is a fierce cat and a fast hunters.

wildebeest
The wildebeest is a fast-running grass-eater from Africa. It is also known as the gnu.


wildlife
Wildlife is plants and animals living in their natural environment.

wind
The wind is air that blows outside.

windmill
A windmill uses the wind to generate power.

window
A window is a glass-covered opening in a wall or vehicle. You can see out a window.

windsock
A windsock is a device that shows which way the wind is blowing and the wind's speed.


wing
Airplanes, birds, bats, and flying insects fly using wings.

winter
Winter is the season between fall and spring. In the Northern Hemisphere, winters are cold; in the Southern Hemisphere, they are warm.

Wisconsin
Wisconsin is a state in the United States of America. Its capital is Madison.

wishbone
A wishbone is a v-shaped bird's breastbone.


witch
A witch is a make-believe woman who has magical powers.
with
With means in the company of or having. The children above are with each other.

wok
A wok is a cooking pot used in Asia.

wolf
The wolf is a furry, meat-eating mammal.
wolverine
The wolverine is a ferocious type of weasel that lives in cold areas.


woman
Girls grow up to be women.

wombat
The wombat is a large, burrowing marsupial from the islands of Australia and Tasmania. It is most active at night.

wood
Wood is a useful material obtained from tree trunks. Wood is used to make furniture, build houses, and make paper.
woodchuck
The woodchuck is a rodent that is also called the groundhog.

wood louse
The wood louse (also called the pill bug) is a small isopod that curls into an armored ball when it is threatened.


woodpecker
The woodpecker is a bird that can peck holes in trees.

woodwind instrument
Woodwind instruments are wind instruments whose sound is produced by the vibration of reed(s) or by the blowing of air across the mouthpiece. The bassoon, clarinet, English horn, flute, oboe, piccolo, and saxophone are examples of woodwinds.

woolly bear caterpillar
Woolly bear caterpillars grow up to be tiger moths.

woolly mammoth
The woolly mammoth was a large elephant-like animal that lived during the ice ages.

woolly rhinoceros
The Woolly Rhino is an extinct rhinoceros from the Ice Ages. This plant-eater had two "horns" on its head.


word
A word is a sequence of letters that means something.

work
When you work, you do a task.

world
A world is a planet. Our world is the Earth.

World Wide Web
You are using the World Wide Web right now!

worm
A worm is a little animal with a long, soft body. Worms don't have legs.

wreath
A wreath is a circular decoration.

wrench
A wrench is a tool that turns nuts or bolts.

write
When you write, you put words on paper.

Wyoming
Wyoming is a state in the western United States of America. Its capital is Cheyenne.


xenops
Xenops is a rainforest bird from the Americas.

Xiaosaurus
(pronounced sheow-SAWR-us) Xiaosaurus was a small, plant-eating dinosaur that lived during the Jurassic period. Xiaosaurus fossils were found in China.

Xiphias
Xiphias is the group (genus) of swordfish, fast-swimming fish that have a long, sharp bill.

x-ray
An x-ray is a picture of your bones or teeth.

xylophone
The xylophone is a musical instrument that has rows of bars and is played with a mallet.

Y is for ...


yacht
A yacht is a small ship that can sail very fast.

yak
Yaks are large, strong, plant-eating mammals.

yam
Yams are sweet vegetables that grow underground.

yard
A yard is a small outside area.

yard
A yard is equal to three feet or 36 inches.


yardstick
A yardstick is three-foot -long stick; it is used for measuring things.

yarn
Sweaters are made out of yarn.

yawn
Sometimes people yawn when they're tired.

year
A year consists of 12 months, 52 weeks, or 365 days.

yell
When you yell, you shout in a very loud voice.


yellow
Yellow is a color. The sun is yellow. Lemons are yellow.

yellow jacket
A yellow jacket is a type of wasp, a flying, stinging insect.

yes
Yes means that you agree or that something is true.

yogurt
Yogurt is a dairy food made from milk.

yoke
A yoke is a device that holds two working animals (like oxen) together.


yolk
The yolk of an egg is yellow and contains stored food for a bird or reptile before it hatches.

Yorkshire terrier
The Yorkshire terrier is a small, intelligent, long-haired dog.

you
You is a word that refers to another person or persons.

young
When someone or something is young, it has only been around for a short time. A baby is young.

youngster
A youngster is a young person.


yo-yo
A yo-yo is a round toy that goes up and down on a string.

yucca
Yucca is a plant with stiff leaves; it lives in dry areas.


Z is for ...


zebra
Zebras have black and white stripes.

zebrafish
Zebrafish are striped tropical fish.

zebra longwing butterfly
The Zebra Longwing is a small, black-and-yellow striped butterfly from warm areas.
zebra swallowtail butterfly
The Zebra Swallowtail is a butterfly with black and white markings and elongated tails on its hind wings.

zeppelin
A zeppelin is a metal-framed, motorized balloon-like airship that floats in the sky.

0

zero
Zero is a number that stands for the absence of size or quantity.

zigzag
A zigzag is a line that sharply turns back and forth.

zinnia
Zinnias are pretty flowers.

zip
When you zip something up, you close a zipper.

zipper
You can open and close a zipper.


zither
A zither is a small, stringed, musical instrument.

zodiac
The zodiac is a band of 12 constellations (groups of stars) in the sky, including Capricorn, Aquarius, Sagittarius, Scorpio, Libra, Virgo, Leo, Cancer, Gemini, Taurus, Aries, and Pisces.

zodiac moth
The zodiac moth is a rainforest moth that lives in Australia.

zoo
There are lots of animals at a zoo.

zoologist
A zoologist is a scientist who studies animals.

zooplankton
Zooplankton are tiny animals that float in the seas and other bodies of water.
zorilla
The zorilla is a skunk-like mammal that lives in Africa.
zorro
The zorro is a dog-like fox from South America.

zucchini
Zucchini is a type of squash.