This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

This science fair project idea determines whether the diet and taste preferences of humans relate to their personality.

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

This science fair project idea discovers the average time it takes for a person to remember something completely.

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

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

This science fair project idea explores discover whether there are any patterns or trends in the memories between different genders.

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

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

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 determine whether there are gender differences when boys and girls view optical illusions.

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

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

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

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 determines whether the older population prefers darker, duller colors rather than bright and lush colors.

Is it a square or a circle? See if you can trick your friends with this zany science project!

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 determines whether volunteers remember more information presented orally or visually or kinesthetically.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.