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.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

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.

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

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

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

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

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

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?

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

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

This classic children's game demonstrates how sound travels through air vs. through a solid.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

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

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

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

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!

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

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

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

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

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

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

People have favorite flavors, but what about ants? Which ant food is the most popular?

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

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.