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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.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

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.

An home science experiment for older students that teaches about the science behind heat.

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.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

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.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

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.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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.

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.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

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.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

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