Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

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

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

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

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

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

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

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

This science fair project idea tests the efficiency of short term memory.

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

This science fair project idea explores whether color affects a person's emotional state.

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 examines whether boys and girls differ in reflexes.

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

This science fair project idea examines whether people can decode scrambled messages.

This science fair project idea explores whether certain physical and mental traits run in the family.

This science fair project idea studies the differences in gender perception between people.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

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

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

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

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

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

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

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

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

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

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

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.

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