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.

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

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

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!

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!

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

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.

Learn about the badgers that live in Yellowstone National Park.

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.

Learn a bit about the Brazilian rainbow boa with this cool science worksheet.

Learn a little about the constellation called Cancer the crab with this constellations worksheet.

Roses are red, violets are blue, I know the parts of a flower, how about you? Learn about flower anatomy with this worksheet.

Back in ancient times, before people knew what the stars were, they told stories about them! With this worksheet, learn about the constellation Cygnus.

Learn about the California tiger salamander, which uses its toxic, bad smell as a defense.

What is biomass energy? Learn about an important form of renewable energy with this colorful worksheet.

Help your budding geologist learn about these common landforms in this worksheet on peninsulas and capes.

This is the story of our solar system. Learn about the life of Nicolaus Copurnicas and his great discovery. Learn more by answering the question at the bottom.

Learn about the life cycle of a tomato plant in this worksheet for second and third graders!

Learn about the second fastest land mammal in the Western Hemisphere, the pronghorn antelope.

Did you know "Delphinus" is Latin for "dolphin"? Learn all about this cool constellation with this worksheet!

Learn about Yellowstone National Park's peregrine falcons, which survived heavy pesticide use in the 1960s.

Encourage your little environmentalist to learn about composting! Children will boost their reading skills as they learn what compost is and how it helps the environment.