Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.

This science fair project idea explores the egg's thin membrane.

Science fair project that tests whether cats have a preference for organic food.

Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

This experiment uses personality assessments to evaluate the prevalence of specific character traits in left-handed and right-handed people

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

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.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This science project allows students to study the psychology of happiness.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

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

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

This science fair project idea compares biodiversity between drops of water.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

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.

Science fair project that explains and demonstrates the parallax principle.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.