In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.