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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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Showing 91 to 105 of 284
Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?
Physics
Eighth Grade
In this science fair project, you will test for the presence of carbon dioxide when an acid and carbonate compound react.
High School
Chemistry
Use a bomb calorimeter to measure and calculate the amount of energy (calories) within various foods. ignite food samples, calculate change in temperature.
Physical Science
Ninth Grade
Study the physical and chemical changes that make hair curl or straighten. Study ingredients, function of chemicals like thioglycolic acid.
Chemistry
Ninth Grade
Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.
Physics
Eighth Grade
Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.
Physics
Seventh Grade
Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.
Chemistry
Seventh Grade
Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.
High School
Physics
This science fair project idea demonstrates the property of bouncing in a fresh new way.
High School
Physics
Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?
Physics
Eighth Grade
In this science fair project, you will determine the effects of acids and bases on red cabbage. Use Education.com for free science fair project ideas!
High School
Chemistry

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