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

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project idea examines the reason boats are shaped and engineered.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This science research project challenges students to think of more effective lobster farming methods.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

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

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This project examines what types of objects burn and which burn faster and cleaner.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this activity your child will create their very own marble maze!

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!