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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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Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.
Eighth Grade
Psychology and Sociology
Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.
First Grade
Easy
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
This project examines whether and what associations exist between numbers and letters and colors.
Eighth Grade
Middle School
This project explores whether plants can live and grow when 'watered' with juice, soda, or milk.
First Grade
Kindergarten

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