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

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

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.