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

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

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 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.

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

Get to know Earth's star with with this diagram and vocabulary worksheet!

Shake up your science studies with this worksheet about earthquakes.

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.