In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

Learn with makes water molecules work with this fun and easy science activity!

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Looking for a way to help your teen explore the fun side of physics? How about a round of Saturday morning cartoons?

Engineers in training can get started with this simple wheel-and-axle construction activity.

This science fair project idea produces sounds by creating vibrations using different objects.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

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.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

Here's an investigative activity in which your child will discover real-world names and uses for sugar and find out how it is hidden in many different foods.

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

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

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

For this activity your child will use the ready made glycerin base to create elegant rose petal hand soaps.