What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project teaches students about wilting and browning of salad greens.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science fair project idea investigates whether plants can survive being frozen.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

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

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science fair project idea determines which method of hand cleansing is the most effective.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This science fair project idea explores substances that cause a bubble to last longer.

Do different types of oil mix or stack? Find out in this science fair project idea!

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

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

In this science fair project you will make a model of a cell membrane using very simple material.

This science fair project idea explores whether color affects a person's emotional state.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

This science experiment tests if dog saliva can really help heal wounds.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea determines what household items are good conductors of electricity.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.