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

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 child will learn science and make a fun new malleable toy with this balloon sandbag 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!

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.

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.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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.

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

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?

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

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!

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

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

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.

Try this chemistry experiment with your curious kid and get some "shocking" results!

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