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 examines which type of insulation holds in the most heat.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

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

This science fair project explores how osmotic pressure forces water through the root up into the plant.

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.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

This science fair project idea determines what household items are good conductors of electricity.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

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.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

This science fair project idea determines what household items are good conductors of electricity.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Learn how different types of soil affect how animal tracks form in this experiment!

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.