If you know what each planet looks like, you'll have no trouble with this intergalactic crossword puzzle.

You can find rocks almost anywhere, but there's a lot more to rocks than meets the eye. Check out this science worksheet to learn all about rock formations.

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

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!

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.

This worksheet will quiz your child on the different fields of study in science. What's the difference between a zoologist and a geologist? Find out here!

What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.

Peel back the layers of the earth in this earth science worksheet. Can you name all of them?

Students match 12 rock cycle vocabulary words to their definitions in this middle school science worksheet.