Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

Introduce your flashlight to mirrors. Mirrors are cool surfaces that reflect light just as well as they reflect your face.

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

Find out all about the different parts of the eyes and how they work together to make vision possible.

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

During the Gold Rush, people weren't sure if they found gold or something else, and these easy steps would help them be sure.

Did you know that light could bounce? Set up a light obstacle course with a few mirrors and watch light bounce around your room.