This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

In this experiment we will be determining whether birds prefer certain colors of seed.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This science fair project idea explores whether white light can be separated into different colors.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Find out whether packaged seeds actually do expire in this new science fair project idea.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

This project explores ways to prevent static electrical shocks.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.