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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 is develops new or improved paper making techniques and encourages recycling.
Elementary School
Fourth Grade
This science fair project idea explores the fastest average speed a human can talk.
Middle School
High School
In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.
Fifth Grade
Psychology and Sociology
Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.
Elementary School
Middle School
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 project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.
High School
Ninth Grade
This science fair project idea enhances awareness of local food production and food sourcing.
Elementary School
Middle School
This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.
Fourth Grade
Fifth 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

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