This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

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

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

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

This science fair project idea investigates the hardness property of minerals.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

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

Discover flight initiation distance as you play around in the park with this fun bird watching project!

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

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

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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.

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

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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

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

In this science fair project you will make a model of a cell membrane using very simple material.

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

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

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

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

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.