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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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In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.
Seventh Grade
Sixth Grade
In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!
Seventh Grade
Elementary School
Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.
Seventh Grade
Anatomy
This project examines whether and what associations exist between numbers and letters and colors.
Seventh Grade
Middle School
This experiment evaluates how a diet that is rich in 'mood-enhancing' foods affects the way people feel over several weeks.
Ninth Grade
High School
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.
Seventh Grade
Middle School
High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.
Ninth Grade
Physics
Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?
Ninth Grade
Geology

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