Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

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.

The purpose of this science fair project is to build a basic radio.