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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!

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

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.

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

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

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.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

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

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

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.

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

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

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.

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

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

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

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

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

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!