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.

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!

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

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

Learners will get to know the bald eagle, the national bird of the United States and an inhabitant of Yellowstone National Park.

Introduce children to photosynthesis with this fill-in-the-blanks life sciences worksheet!

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

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

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

Who will win the marble race in this two-page physical science worksheet?

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!

Decide which plants could live in a grassland with this second- and third-grade worksheet!

Determine which plants would survive in a pond with this second- and third-grade worksheet!

Decide which plants could survive in the desert with this second- and third-grade habitat worksheet!

Unscramble key vocabulary words about energy and collisions with this engaging science worksheet!

This Awesome Anatomy page focuses on the heart and how it pumps blood to all parts of your body.