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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 283
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
Determine whether fresh vegetables have more calories or less calories than canned vegetables.
High School
Chemistry
In this science fair project, you will determine the effect of the enzymes found in a detergent on cleaning different stains.
High School
Chemistry
Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.
Physics
Seventh 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
Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.
High School
Physics
Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.
Chemistry
Seventh Grade
Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.
Chemistry
Seventh Grade
This free science fair project idea shows you how parallax decreases as distance from the object increases.
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
Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C
High School
Chemistry

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