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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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In this project, you'll create Oersted's experiment, which relates to how electric currents create magnetic fields.
High School
Physics
Determine how wind speed affects the stability of a kite and the ease of getting it into the air.
High School
Physics
In this science fair experiment, high school students determine if all proteins denature at the same temperature.
High School
Physical Science
This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.
High School
Chemistry
Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.
Chemistry
Sixth Grade
Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.
Chemistry
Seventh Grade
What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.
Physics
Tenth Grade
This science fair project examines the different composition of fungi and plants.
High School
Chemistry

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