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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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Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.
Fourth Grade
Easy
In this science fair project, you will observe the part of the erosion process that involves the breakdown of crustal materials called weathering.
Middle School
Easy
In this science fair project, you will learn how to determine the volume of air in soil. Use Education.com to find science fair project ideas!
Middle School
Easy
In this science fair project, you will model the water cycle and learn about evaporation, condensation, precipitation, and collection.
Middle School
Easy
In this science fair project, you will determine how water affects a pinecone. Use Education.com to find free and fun science fair project ideas!
Middle School
Easy

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