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High School Science Fair Projects

Need a science fair project that's fun, engaging, and appropriately rigorous for a high school science fair? Education.com has assembled a rich collection of high school science fair projects and high school science fair project ideas written by our team of professional scientists, science teachers, and educational consultants. We offer free high school science experiments on every science fair topic, including physics, chemistry, biology, engineering, and even psychology. Check the boxes in the sidebar to filter your results, or use the search bar to find a winning idea for your upcoming science fair. Hundreds of good science fair projects are only a click away.

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This science project examines the thermal properties of several major greenhouse gases.
High School
Earth & Space Science
In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.
High School
Eighth Grade
Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.
Tenth Grade
Eleventh Grade
Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.
High School
Middle School
In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.
Seventh Grade
Eighth Grade
Test whether spot magnets can help improve the symptoms of an injury.
High School
Middle School
In this experiment, students create music with subliminal messaging to try to influence people's decision-making.
High School
Ninth Grade
Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).
Middle School
Seventh Grade
In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.
High School
Ninth Grade

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