Make sourdough bread...and learn some colonial history and modern science in the process!

This science project has students study the idea of human beauty.

Learn more about consumer preferences, product availability and pricing. Search ebay listings typing keywords of your choice. Interpret statistical analysis

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

This science fair project idea investigates the relationship between memory and age.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

In this science fair project, students investigate how different colors influence appetite.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project evaluates the suggestibility of males versus females in copying the actions of those around them.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Will people perceive your intelligence differently depending on your hair color? Find out in this science fair project idea!

This science project investigates the influence of different genres of movies on appetite.

In this science fair project, students evaluate if the phases of the moon affect the way people feel.

This science fair project idea compares the cuteness reaction between genders.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

This science fair experiment examines the relationship between gender, age, and smiling.

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

This science fair project idea explores whether dogs do look like their owners.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This middle school science fair project evaluates test subjectsâ ability to determine what a person is feeling by reading their facial microexpressions.

This science fair project idea studies past and current fads and trends.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

This science fair project idea explores whether the color of surroundings affects human mood.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

In this science fair project, students evaluate if astrological signs provide clues about people's personalities.