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

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Why are some pennies shiny and others dark and dull? Find out with this cleaning copper coins experiment, which transforms dark pennies to bright ones.

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.

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.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

For this activity your child will use the ready made glycerin base to create elegant rose petal hand soaps.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

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

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

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.