This science fair project idea produces varying pitches of sound.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

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

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.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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

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

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

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

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

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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.

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

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

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

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

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

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

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

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

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.

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

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!

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

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.