Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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

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.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

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

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

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!

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

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.

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.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

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.

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

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

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.

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

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

In this fun activity, your child will create their very own solar oven to bake s'mores!