Test whether plants can grow without sunlight and water.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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.

Plants and light seem to be good buddies, but how far does the friendship really go?

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This science fair project examines how seeds hitchhike on animals and clothing.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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.

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?

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

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 science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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.

Discover whether cold or hot water from the faucet will boil faster on the stove.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

The project investigates how water and movement affects erosion.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea explores how length affects the weight a bridge can hold.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project idea investigates how magnetism can defy the force of gravity.