Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

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

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

In this project students experiment with making music using only glasses of water.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea produces varying pitches of sound.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.