Use this simple graphic organizer to map out a new word and explore it in depth.

A fill-in-the-blank exercise on tornadoes, made for fifth grade science students.

What is the purpose of a narwhal tusk? Explore some interesting new findings about the narwhal, also known as the unicorn whale.

Get to know one of the most unique and colorful monkeys, the red-shanked douc langur. Read about why they are an endangered species with this info-sheet.

Animal lovers, get acquainted with a very unique species, the okapi! Read this info-sheet to learn about why this animal is endangered.

Did you know that sound is actually caused by movement? Vibrations of particles create the sound that we hear.

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

Discover the difference between comets and asteroids in this stellar earth and space science worksheet!

Get a brief history of the atom with this introductory page for young physicists!

For your budding environmentalist, here is an information sheet on a well-known endangered species, the Komodo dragon!

Introduce your student to an endangered species, Przewalski's horse, with this information sheet. They can color the illustration as they read.

How was our solar system created? Read a bit about one of the most well-known theories in this worksheet about the Big Bang.

Help your child read this page about the Sumatran rhinoceros, where they can color an illustration as they learn about why this animal is endangered.

Teach your child about an endangered species with this information page, all about the Forest Owlet. They can color as they read some interesting facts.

There are many animals around the world whose lives or homes are threatened. Read about an endangered species from Africa with this info-sheet

Here's a great introduction to five famous astronomers for kids. See who got the star party started with this worksheet.

That's not a lake... it's a crater! Get the scoop on some of the world's most well known craters with this space science worksheet.

Introduce your child to a fascinating new animal, the Baird's tapir. This is just one of many endangered species around the world.

Get in tune with nature, and read a bit about an endangered species of animal, the Black-footed Ferret. Your child can color an illustration as he reads.

Meet the red wolf, an endangered species of animal that was once very common, but in the past 50 year nearly became extinct!

Explore one of the great mysteries of the universe with this space science worksheet on black holes.

Learn the ins and outs of one of the body's most important organs: the heart!

Help your child understand why it's so important to take care of the environment with this info-sheet about an endangered species: the spectacled bear.

Take a plunge under the surface of the earth! With this worksheet as your guide, you may explore the geological processes of our planet.

Practice geology vocabulary with this challenging crossword puzzle.

Get to know Earth's star with with this diagram and vocabulary worksheet!

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

Shake up your science studies with this worksheet about earthquakes.

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

Kids learn about the Earth's solid and atmospheric layers, then label the diagram with the correct terms in this fifth grade Earth science worksheet.