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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 1 to 15 of 79
Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?
Chemistry
Ninth Grade
Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.
Chemistry
Sixth Grade
This science fair project examines the different composition of fungi and plants.
High School
Chemistry
This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.
High School
Chemistry
In this science fair experiment, high school students determine if all proteins denature at the same temperature.
High School
Chemistry
Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.
Chemistry
Seventh Grade
Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.
High School
Chemistry
Test the combustion of different types of woods.
High School
Chemistry

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