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.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Science fair project that demonstrates the different phases of the moon by physically representing them with construction paper and a shoebox

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

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