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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Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.
High School
This experiment tests which gender is better at catching how a magician performs his tricks.
Elementary School
Fifth Grade
This science fair project evaluates the suggestibility of males versus females in copying the actions of those around them.
Middle School
Sixth Grade
This experiment uses personality assessments to evaluate if certain personality traits are more common in people with unusual first names.
Middle School
Sixth Grade
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
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 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
The objective of this science fair project is to determine the rate at which participants can respond to different patterns.
Tenth Grade

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