How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.