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.

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

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.

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

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

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

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

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

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

I scream, you scream, we all scream for homemade spearmint ice cream!

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

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.

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

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

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.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

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

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

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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.

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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

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