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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Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.
Elementary School
Second Grade
This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.
Middle School
Sixth Grade
This experiment investigates whether smell can be used to enhance test subjects' memories.
Middle School
Sixth Grade
This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.
Middle School
Sixth Grade
This middle school science fair project evaluates test subjectsâ ability to determine what a person is feeling by reading their facial microexpressions.
Middle School
Psychology and Sociology
This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.
Middle School
Sixth Grade

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