Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Help your middle schooler improve his observation skills by playing this simple observation and spatial memorization game.

In this project children practice the scientific method while playing with puffy paint.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.