Science Fair Project Ideas has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. We offer free science fair ideas suitable for every grade level, be it preschool, kindergarten, elementary school, middle school, or high school. Check the boxes in the sidebar to filter your results, or use the search bar to find that perfect science fair project or experiment your child will be sure to love.

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In this science fair project, students evaluate the alleged pain-relieving properties of amber.
Middle School
Seventh Grade
This science fair project compares the abilities of men and women to understand subtle communication through body language.
High School
Psychology and Sociology
In this science fair project, students investigate how different colors influence appetite.
Eighth Grade
Psychology and Sociology
This science fair project idea determines the way in which color affects memorization.
Middle School
Psychology and Sociology
This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.
High School
Ninth Grade
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.
Middle School
Sixth Grade
This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.
Elementary School
Fifth Grade

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