This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

This science fair project idea looks into the concept of powered parachutes as the future of transportation.

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

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.

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

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

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

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

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

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, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

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!

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.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Generate gas from garbage. The purpose of this science fair project is to simulate how landfills generate gases that can be used to create energy.

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

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!

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

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

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.