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Science Fair Project Ideas

Education.com 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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Showing 1 to 15 of 174
This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.
Fourth Grade
Fifth Grade
In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.
Ninth Grade
Psychology and Sociology
This science project allows students to study the psychology of happiness.
Elementary School
Fifth Grade
This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.
High School
Ninth Grade
Science fair project that determines the effect of concentrated mental effort on physical performance levels.
High School
Psychology and Sociology
In this free science fair project idea, test a friend on how long it takes them to trace the mirror image of an object.
Middle School
High School
This project examines whether people's taste perception is influenced by what they see.
Elementary School
First Grade
This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.
Middle School
Medium
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.
Elementary School
Fifth Grade
This science fair project idea explores whether cats can be trained in the same way that dogs can.
Elementary School
Fifth Grade
This project will explore whether music influences physical endurance.
Middle School
Seventh Grade

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