What is Pluto? According to scientists... no, not quite. Find out more behind the answer to that age-old question.

Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

Learn about the farthest planet in our solar system, Neptune. Facts include interesting bits about the vast winds that keep its surface moving!

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.

Learn about drag, air resistance, and Newton's laws with this cool worksheet on bobsled physics!

Have your little chemist think about the properties, or characteristics, of metals. What makes them different than non-metals?

With this worksheet, kids read about the sport of biathlon and gain an appreciation for the skills involved by studying the math and physics behind them!

Can you match the scientist with the unit of electricity or power that is named after him?

These 12 dinosaur names are all mixed up, and need a dinosaur expert to help unscramble the letters.

Get lost with a dizzying maze that challenges you to help the lightning bolt reach the ground!

Looking for a worksheet to help your kid with his science vocabulary? This printable will help improve his knowledge of biology.

Read about the intestines, an important part of our digestive process. Your child will see a diagram of this body organ and learn important terms and concepts.

Help your child get to know his elementary elements with this handy worksheet on copper.

Are you afraid of spiders? Don't scream, this fun worksheet is jam-packed with interesting facts and activities, all about black widow spiders!

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.

Who is this Frankenstein guy anyway? He's not the monster -- he's the guy who invented him.

Open your ears for some interesting science! Your little biologist will learn the basic parts of the ear with this diagram.

Kids can explore ideas of storytelling and science as they fill in this comparison grid with their opinions. Start a conversation of ideas with this worksheet!

Ecosystems are an important part of fourth grade science. This fun printable will help your child with her knowledge of plants and animals.

Learn Jupiter facts in this worksheet. Your child can test his knowledge of the solar system by answering the trivia question at the bottom of the page.

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.

This fun worksheet is jam-packed with fun facts, a word search and trivia questions, all about the baboon!

How does our sense of taste function? Introduce your child to the anatomy of our tongue with this diagram and info sheet.

This kid-friendly, fill-in-the-blank diagram helps your fifth grader learn the technical terms for the bones in his torso.

Does your child love dogs? Test his knowledge on the different breeds of dog with some trivia questions!

Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.

Meet Michael Faraday, the inventor of the first electric motor. Without Faraday, who knows if we would even have working cars, airplanes or even clocks!

Looking for a worksheet to help your kid with science? This printable will help him with human anatomy and vocabulary.

Meet the beetle! Filling out this simple worksheet can help your 5th grader learn the anatomy of a beetle.