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On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

This experiment investigates whether there are certain sounds that affect men and women differently

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

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

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

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.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

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

This science fair project idea produces varying pitches of sound.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Is your child struggling with the principles of magnetism? Here's a fun activity to demonstrate polarity and understand the basic principles of magnetism.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

This science fair project idea produces sounds by creating vibrations using different objects.

How powerful is the reaction between baking soda and vinegar? Find out here!

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

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

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

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