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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 46 to 60 of 73
Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.
Chemistry
Seventh Grade
These science fair experiments demonstrate the chemistry of rust and the oxidation process.
High School
Chemistry
Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C
High School
Chemistry
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
Determine whether fresh vegetables have more calories or less calories than canned vegetables.
High School
Chemistry
Investigate which substances are most effective at removing salt from water.
Chemistry
Ninth Grade
Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.
Chemistry
Ninth Grade
In this project, a magnet is used to collect iron from breakfast cereals.
High School
Chemistry
In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!
High School
Chemistry

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