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

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.

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

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

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?

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

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.

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

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?

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

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

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

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.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Is it a square or a circle? See if you can trick your friends with this zany science project!

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.

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

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.

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.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

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

The objective of this science project is to determine the length of time for different seeds to germinate.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.