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.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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.

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

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

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

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

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

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

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.

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.

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

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

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

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

Learn about this simple machine and make a pulley of your own to use for fun science trials.

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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?