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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.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

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.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

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

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.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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!

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.

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

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

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

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.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

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

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

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

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

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.