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High School Science Fair Projects

Need a science fair project that's fun, engaging, and appropriately rigorous for a high school science fair? Education.com has assembled a rich collection of high school science fair projects and high school science fair project ideas written by our team of professional scientists, science teachers, and educational consultants. We offer free high school science experiments on every science fair topic, including physics, chemistry, biology, engineering, and even psychology. Check the boxes in the sidebar to filter your results, or use the search bar to find a winning idea for your upcoming science fair. Hundreds of good science fair projects are only a click away.

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Showing 16 to 30 of 155
This experiment evaluates if personality affects the type of movies that people prefer.
High School
Behavioral/Health Science
This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.
High School
Psychology and Sociology
This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.
High School
Behavioral/Health Science
Learn about the factors that influence group conformity.
High School
Psychology and Sociology
This high school science fair project investigates if small changes in your diet alter the pH of your saliva.
High School
Health and Medicine
This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.
High School
Behavioral/Health Science
In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.
Psychology and Sociology
Consumer Science
This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.
High School
Behavioral/Health Science
Evaluate gender differences in processing visual information.
High School
Psychology and Sociology
In this science fair project, students evaluate if astrological signs provide clues about people's personalities.
High School
Behavioral/Health Science
The objective of this project is to examine the impact of life experiences upon an individual's olfactory experience.
High School
Psychology and Sociology

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