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

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

Using a toy race car kids create a visual model of the Doppler Effect.

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

Test whether plants can grow without sunlight and water.

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

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

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Discover whether cold or hot water from the faucet will boil faster on the stove.

In this project children practice the scientific method while playing with puffy paint.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

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

This project determines what category of person is most likely to be ticklish.

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

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 classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

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

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

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

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

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.