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

This science fair project idea produces varying pitches of sound.

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

This science fair project idea experiments with spinning color wheels and optical illusions.

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

This science fair project idea explores whether talking to a plant will help it grow.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

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

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

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

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

Teach your child how butter is created by shaking up cream the old-fashioned way.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!