In this worksheet, kids learn about friction by answering questions about the amount of friction in different situations.

How much do you know about our solar system's planets? Kids learn facts about Neptune in an out-of-this-world worksheet.

Dive into the deep, vast world of ocean science with this introductory sheet on the world's different oceans.

Budding scientists can learn about an important physical science concept with this worksheet all about density!

Learn facts about Mars, the great red planet in the night sky. There is more find out about space by answering the question at the bottom of the worksheet.

Learn facts about Venus, the planet that shines the brightest in our night sky! Then practice your knowledge of the solar system with bonus trivia at the end.

How much do you know about the U.S. national bird? Learn all about the bald eagle with this fun, informative worksheet!

If you think volcanoes are cool, this worksheet will blow your mind! Learn about the rock cycle by reading the paragraph and taking a multiple choice quiz.

Learn the science of volcanic eruption with this cutaway diagram

Did you know wolves are the largest members of the dog family? This fun worksheet is jam-packed with fun facts about the wolf!

How much do you know about man's best friend? This fun worksheet is jam-packed with fun facts about dogs!

Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!

How many teeth does an alligator have? Find out with this fun worksheet, dedicated to teaching you and your child all about alligators!

Learn about spider tortoises, one of the world's tiniest tortoise species, with this handy worksheet. Can't go to the zoo? We bring the zoo to you!

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

Discover some fun facts about the sun — and bring it to life with color — with this astronomy worksheet!

This worksheet features Uranus facts. Did you know this planet is blue and spins on its side?

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

There are many endangered species all around the world. Read about the Amur leopard and why it's endangered with this information page.

Dragonflies are some of the oddest looking insects in the world, so it's appropriate that they have so many unique characteristics. Read all about them!

Nature is all around us! But how much does your child know about our natural world? Test her knowledge with some nature fun-facts trivia.

These are the largest tortoises in the world, yet they are only two inches long when they hatch! That's one of the facts you can learn from this worksheet.

Learn about the black bears of Yellowstone National Park.

Have you considered why elephants have trunks, or why polar bears have thick fur? Reflect on animal adaptations with this fourth-grade worksheet!

Learn about the badgers that live in Yellowstone National Park.

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.

Learn about the Uinta ground squirrels of Yellowstone National Park.

Learn about the amphibians and reptiles of Yellowstone National Park.

Learn about the grizzly bears that live in Yellowstone National Park.

Children will learn important facts about food chains in these worksheets.