Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy 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.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This science fair project idea explores which fruit molds the fastest.

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.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

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.

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.

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.

Make a backbone model to explore human anatomy and life science.

Demonstrate how to tell the age of an egg without having to crack it open.

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

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

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

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

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.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.