Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

This science fair project idea explores the fastest average speed a human can talk.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

This science fair project idea investigates how images are influenced by changes in light.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

This fascinating science fair project explores eye color genotypes.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

Investigate how to keep your fruit fresh for longer. The purpose of this science experiment it to determine which kind of bag best preserves fruit.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

The objective of this experiment is to find out if cooked beans grow faster, if at all, than uncooked beans.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.

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

Test your friends to find out if you can replicate the placebo effect's incredible results.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

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.

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!