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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This project will explore whether music influences physical endurance.
Middle School
Seventh 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 social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.
High School
Ninth Grade
This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.
Elementary School
Fifth Grade
This science project investigates the influence of different genres of movies on appetite.
Middle School
Psychology and Sociology
In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.
Middle School
Psychology and Sociology
Determine if left-handed people have faster response times.
Middle School
Psychology and Sociology
Test whether spot magnets can help improve the symptoms of an injury.
Middle School
High School

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