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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.

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

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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.

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

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

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

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

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.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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

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

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 idea investigates how the shape of an object affects drag.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

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?

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

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

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

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

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

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