In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

Science fair project that explores the natural process of limestone formation.

This experiment investigates whether left-handed test subjects have better memories than right-handed participants.

This experiment evaluates if personality affects the type of movies that people prefer.

This science fair project idea explores whether white light can be separated into different colors.

This science project idea determines whether cold water boils faster than warm water.

Will male or female hair grow faster? Find out in this science fair project idea!

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

This project examines which style of central-air system filter traps the most particles from the air.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Determine which video game elevates the heart rate best and burns the most calories.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

This science fair project investigates what type of cookie sheet bakes the best cookies.

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

Demonstrate if cooking destroys all bacteria that is present in raw meats such as salmonella.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

This science fair project idea discovers the principle of conservation of mass.

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

This project explores differences in people's reactions to images in color and images in black and white.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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

The objective of this sociologically-inclined experiment is to evaluate whether kids' toy preferences are hardwired or develop as they grow.

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

Evaluate if people are more influenced by video or audio advertising.

This project explores whether music affects the growth and health of plants.