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

Explore one of the great mysteries of the universe with this space science worksheet on black holes.

A fill-in-the-blank exercise on tornadoes, made for fifth grade science students.

What is the difference between a solar eclipse and a lunar eclipse? Find out with this stellar space science worksheet!

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

Get to know the Apollo 11 space mission in this science and history worksheet!

Does your learner ever wonder what makes the Earth dark at night and bright during the day?

Uncover secrets of the past with this third-grade worksheet about fossils!

Learn about some of the major U.S. watersheds in this fascinating science and geography worksheet!

Discover the impact of water on Earth’s landscape with this fourth-grade erosion worksheet!

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.

This Earth Day, learn about conservation and the environment while you enjoy solving a fun puzzle!