Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

Don't let school year learning slip away this summer: use this chemistry worksheet to practice identifying elements.

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

Little scientists can learn about a fundamental concept of physical science with this worksheet all about density!

Budding scientists can learn about an important physical science concept with this worksheet all about density!

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

What is wind energy? Teach your students how we can use the wind to create electricity!

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

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

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

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

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

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.