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

There are many animals around the world whose lives or homes are threatened. Read about an endangered species from Africa with this info-sheet

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

Meet the red wolf, an endangered species of animal that was once very common, but in the past 50 year nearly became extinct!

Get to know one of the most unique and colorful monkeys, the red-shanked douc langur. Read about why they are an endangered species with this info-sheet.

Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

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

During the Gold Rush, people weren't sure if they found gold or something else, and these easy steps would help them be sure.

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.