Have you ever wondered what keeps the moon in orbit? Newton's first law gets a quick introduction, too, in this worksheet for kids. Check it out!

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

Searching for a worksheet that will help your child practice their reading skills? This printable uses life science as a background to help young readers.

Encourage your child to take a nature walk, using the prompts on this worksheet to write and draw their observations of plants, animals, sounds, and more.

The silverback gorilla is a special animal. This magnificent male is part of an endangered species. Complete this sheet to learn all about this gentle giant.

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

What's your favorite animal? Kids love answering that question, and with this animal research graphic organizer, they can write all about it.

The horned lizard has a scary exterior but a gentle personality. Your little student can learn about this North American lizard with this worksheet.

The grizzly bear once roamed across most of North America; now its habitat has shrunk to the northwest. Discover more about the grizzly with this worksheet.

The California condor has been brought back from the brink of extinction. This worksheet will help your little bird lover learn all about the condor.

Ancient mariners mistook the manatee for a mermaid! Your young biologist won't make the same mistake after learning about the manatee with this worksheet.

Whether you say buffalo or bison, it is still the largest land mammal in North America. Discover a bit more about this majestic animal.

Young astronomers unscramble words to reveal the heavens in this fun space science worksheet.

Put your kid's observational skills to the test with this word search that will help her learn some of the animals that inhabit a rainforest.

In which habitat could you find an arctic fox, a polar bear, and a snowy owl? Have your kid find tundra animals with this word search worksheet.

The animal names on this third grade science and spelling worksheet are all mixed up! Kids unscramble reptile and bird names to complete the worksheet.

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

Space enthusiasts will love learning about Freedom 7, the first manned American space mission.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

Get swept up in this comprehensive worksheet about the awesome power of dust storms.

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.

Not your typical crossword, this puzzle will have your child learning to recognize the shapes of the continents. Great for map skills and vocabulary!

Little gardeners, get to know your plants! See the cycle of a plant from its birth to adulthood, and read a bit about photosynthesis too.

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

Where do flower babies come from? Find the answers in this word search about plant reproduction!

Where to flower babies come from? Use this word search to learn about the different pollinators in our environment, and how they help spread plant seeds.

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.

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

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

Introduce your flashlight to mirrors. Mirrors are cool surfaces that reflect light just as well as they reflect your face.