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

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

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

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

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

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.

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

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

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.

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.

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.

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.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

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

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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 demonstrates the principles of reflection through simple experiments involving mirrors and light.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

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

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

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

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

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

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

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

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

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

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