This science fair project idea determines how quickly germs and bacteria spread.

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

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

This experiment will investigate whether reward or punishment is more apt to motivate people.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

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

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This project examines whether people's taste perception is influenced by what they see.

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

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

This fingerpaint version of the classic Rorschach stumper is sure to be an artistic treat for your kindergartener!

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

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

In this science fair project, students evaluate test subjects to determine if certain personality traits are more common in frequent users of social media.

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

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

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

This science fair project idea assesses the effect of music on work performance.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

The project idea is to understand how sugar effects brain chemistry.

This project will explore whether people are emotionally susceptible to suggestions of both humor and sorrow.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

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 examine the cleanliness of salad preparation techniques.