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This science fair project idea explores the fastest average speed a human can talk.

Science fair project that determines the correlation between wind direction and subsequent weather patterns.

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

Explore the belief in astrology as a predictive system.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

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

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

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

This science fair project idea determines which flower lasts the longest.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

This project examines whether and what associations exist between numbers and letters and colors.

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

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

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.