This science fair project idea investigates how color affects temperature.

This science fair project idea explores the egg's thin membrane.

This science fair project idea demonstrates that plants give off water.

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

This science fair project idea investigates the hardness property of minerals.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea compares biodiversity between drops of water.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This science fair project will help students learn about non-vascular plants, such as mosses.

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

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

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

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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

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

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

This science fair project idea explores whether white light can be separated into different colors.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

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

In this science fair project, young children notice and track changes in trees throughout the year.

This science fair project idea explores whether talking to a plant will help it grow.

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

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

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

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

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