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

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project teaches students the differences between fruits and vegetables.

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

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

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.

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

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

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

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

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

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

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea examines which type of insulation holds in the most heat.

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Cleaning can be a chore, but not with this sudsy experiment!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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 does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.