In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

This classic children's game demonstrates how sound travels through air vs. through a solid.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Using a toy race car kids create a visual model of 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.

Test whether plants can grow without sunlight and water.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.