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.

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.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

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

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.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

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

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

This science fair project idea examines whether music has an effect on a person's ability to complete a simple task that requires concentration.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

Research information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

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

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

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