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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.

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

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

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

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

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

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

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

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

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.

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.

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

Start your toy engines -- this is going to be a fast and friction-filled race!

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

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?

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

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

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

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.

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

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Plants and light seem to be good buddies, but how far does the friendship really go?

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

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

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

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!