Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

This experiment will investigate whether reward or punishment is more apt to motivate people.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

This simple experiment serves as an introduction to the greenhouse effect.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

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?

In this activity your child will create their very own marble maze!

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

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!

This science fair project idea quantifies growth of seedlings at various pH levels.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Find out if most people can distinguish the difference between tones on different instruments.