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

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!

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

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

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

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

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

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

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