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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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Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?
Sixth Grade
Eighth Grade
Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.
Sixth Grade
Seventh Grade
Science fair project in which you will start a fire from scratch without using matches or a lighter.
Fifth Grade
Sixth Grade
Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.
Fifth Grade
Sixth Grade
What happens when static electricity is discharged? In this free science fair project, explore some sparks when electrons are discharged.
Elementary School
Electricity and Magnetism
What can you do with hair after its cut? This science project teaches you practical uses for human hair.
Elementary School
Fifth Grade
In this free science fair project idea, we learn the differences between coarse, medium and fine-textured soil.
Middle School
Earth & Space Science
In this free science fair project idea, we demonstrate and analyze the effects of erosion on crustal material.
Middle School
Earth & Space Science

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