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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 156
This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.
High School
Behavioral/Health Science
This science fair project idea discovers the average time it takes for a person to remember something completely.
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
This high school science fair project investigates if small changes in your diet alter the pH of your saliva.
High School
Health and Medicine
The objective of this project is to examine the impact of life experiences upon an individual's olfactory experience.
High School
Psychology and Sociology
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
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
Evaluate whether people can raise the temperature of their finger using the power of their thoughts.
High School
Psychology and Sociology
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

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