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

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?

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.

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

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

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

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

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

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

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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.

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.

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.

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.

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 produces varying pitches of sound.

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.

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

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

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.

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

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

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

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.

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.

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

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Introduce your child to the amazing, almost magical phenomenon of static electricity!