Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

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

Teach your child the difference between potential and kinetic energy with this introductory worksheet.

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

Grab your trusty flashlight and get ready for a scientific treasure hunt!

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