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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 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
In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.
High School
Applied Science
This cool music science fair project idea has kids determine the effect of music on memory. Can music improve our cognitive abilities? Why or why not?
Middle School
Psychology and Sociology
This science fair project idea is develops new or improved paper making techniques and encourages recycling.
Elementary School
Fourth Grade
This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.
Fifth Grade
Middle School
This science fair project teaches students the differences between fruits and vegetables.
Elementary School
Second Grade
Do people only 'hear' what they want to hear? Explore pareidolia and psychoacoustics  with this easy science fair project that pits melody against white noise.
Eighth Grade
Psychology and Sociology
The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!
Seventh Grade
Physics

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