Connect forms of energy to real-life scenarios in this third- and fourth-grade worksheet!

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.

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

Learn how energy changes forms with this fourth- and fifth-grade physical science worksheet!

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

Dive into the electrifying concept of electrical energy in this colorful worksheet!

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

Apply concepts of energy and motion to marbles in this fourth-grade worksheet!

Get a lesson in sports and science with this engaging third- and fourth-grade worksheet!

Test your knowledge of electrical energy with this third- and fourth-grade worksheet!