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In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

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

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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

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

This project examines whether people's taste perception is influenced by what they see.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

In this project children practice the scientific method while playing with puffy paint.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Learn about nature by making your own mini moss garden.

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

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.