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

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

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

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

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

This science fair project idea produces varying pitches of sound.

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.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

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

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.

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

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

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

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

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

What happens when colored beams of light mix? You might be surprised.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

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

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

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

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

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!

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.

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