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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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Looking for a way to liven up a hot summer day? A little hands-on science is the perfect way to keep your kid occupied. So why not recruit your budding scientist and conduct an experiment or two?
Elementary School
Science Fair Project Ideas
Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.
Ninth Grade
Weather and Climate
In this free science fair project idea, we learn about fronts and how they move about and affect the weather.
Middle School
Earth & Space Science
Can airplanes fly underwater? Do this free science fair project, explore this question and the mechanics and physics of hydrodynamics.
Middle School
Easy
In this free science free project, let's experiment on why and how hair keep animals warm in the cold weather. A great project for elementary kids.
Elementary School
Zoology

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