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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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This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.
Chemistry
Elementary School
In this science fair project, students evaluate if astrological signs provide clues about people's personalities.
Psychology and Sociology
High School
Are crickets affected by temperature? Test your knowledge! This project examines whether temperature has any effect on the chirping of crickets.
Psychology and Sociology
Elementary School
Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.
Physical Science
Middle School
This science fair project explores how salt and sugar affect the melting rate of ice in water.
Chemistry
Middle School
Evaluate gender differences in processing visual information.
Psychology and Sociology
Middle School

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