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

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

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

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.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

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

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

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

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

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

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

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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

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

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

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

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

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

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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

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.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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.

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

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.