This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

Science fair project that determines whether moths are attracted to one color of light more than others.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

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

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

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.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

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.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

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.