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

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

What does the pancreas do? Kids will check out the diagram, read a paragraph, and put their reading comprehension skills to the test by filling in the blanks.

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

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

What is the purpose of a narwhal tusk? Explore some interesting new findings about the narwhal, also known as the unicorn whale.

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.

Discover the difference between comets and asteroids in this stellar earth and space science worksheet!

Learn about the human brain with this zombie-themed science worksheet!

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!

Did you know that sound is actually caused by movement? Vibrations of particles create the sound that we hear.

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 Earth's star with with this diagram and vocabulary worksheet!

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

Shake up your science studies with this worksheet about earthquakes.

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.

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