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

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

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

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

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.

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

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.

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

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