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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 1,177
What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!
Electricity and Magnetism
Sixth Grade
This science fair project idea discovers the average time it takes for a person to remember something completely.
Psychology and Sociology
Middle School
Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.
Electricity and Magnetism
Sixth Grade
It's easy to do science in the kitchen with these fantastic food experiments for kids. Little gastronomers will observe the enzymatic activity of pineapple, quantify the amount of grease in potato chips, and discover effective ways to inhibit (or encourage!) mold growth on bread with this series of fun and enriching science fair projects. Bon AppÚtit!
Chemistry
Science Fair Project Ideas
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
This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.
Chemistry
Elementary School
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
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
In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!
Chemistry
Third Grade

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