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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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Showing 1 to 15 of 261
The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.
Psychology and Sociology
Tenth 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.
Psychology and Sociology
Eighth Grade
This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.
Psychology and Sociology
Fourth Grade
This science fair project idea explores how water and ice can change the form of rocks.
Geology
Elementary School
Kids often ask, 'how tall am I?' This science fair project seeks to determine how well kids can guess their own heights.
Psychology and Sociology
First Grade
In this science fair project, students use the streak test to tell minerals apart from each other.
Geology
Elementary School
Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!
Psychology and Sociology
Eighth Grade
In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.
Psychology and Sociology
Middle School

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