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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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High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.
Physics
Electricity and Magnetism
Examine how a battery can be made from everyday materials.
Physics
Middle School
In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!
Chemistry
Third Grade
In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.
Chemistry
Third Grade
Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.
Chemistry
First Grade
In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.
Chemistry
Fourth Grade
In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!
Physics
Fifth Grade
In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.
Physics
Sixth Grade

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