This multi-page worksheet provides an opportunity for kids to practice both their understanding of food webs and their reading comprension skills.

Let your kid's knowledge of leaf vocabulary climb as high as a tall, tall tree with this fun word search.

This nonfiction passage helps kids develop reading comprehension skills, as well as learn important ecological facts.

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

Budding biologists can learn all about human digestion with this information page, complete with a diagram of the digestive system.

If you think volcanoes are cool, this worksheet will blow your mind! Learn about the rock cycle by reading the paragraph and taking a multiple choice quiz.

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

Dive into the deep, vast world of ocean science with this introductory sheet on the world's different oceans.

Learn the ins and outs of one of the body's most important organs: the heart!

Almost half of all known fish species call ponds, lakes, rivers, and other freshwater habitats home. Learn about freshwater fish in this worksheet.

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

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

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

Discover the differences between gravity and magnetism in this forceful worksheet!

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

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