This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.

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 measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

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

This science fair project explores whether musicians are better than non-musicians at distinguishing and understanding speech in noisy environments

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

This science fair project idea determines if females or males tend to do better on optical illusion tests and whether certain age groups also do better.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

In this science fair project, students make their own rain gauge to measure rainfall.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

In this project, a basketball containing different psi is dropped to see how well it bounces.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

This basketball project explores the best way to make the perfect shot every time.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

This biodiversity project examines the biodiversity in your own backyard.

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!

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?