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

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

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.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This science fair project idea produces varying pitches of sound.

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.

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.

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

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

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

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.

Using a toy race car kids create a visual model of the Doppler Effect.

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

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

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This biodiversity project examines the biodiversity in your own backyard.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Start your toy engines -- this is going to be a fast and friction-filled race!

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.