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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 21
What's the difference between centripetal and centrifugal force? High school students will find out by seeing both in action while conducting this experiment.
Science Fair Project Ideas
Tenth Grade
Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?
Science Fair Project Ideas
Ninth Grade
The purpose of this science fair project is to explore if the angle of the sun striking the solar cell affects how much electricity the cell releases.
High School
Science Fair Project Ideas
In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.
Science Fair Project Ideas
Ninth Grade
The purpose of this science fair project is to build a basic radio.
High School
Science Fair Project Ideas
Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.
Science Fair Project Ideas
Ninth Grade
How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.
Science Fair Project Ideas
Ninth Grade
Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.
High School
Science Fair Project Ideas
The objective of this science fair project is to determine whether pears ripen at different speeds due to environmental conditions.
High School
Science Fair Project Ideas
The purpose of this science fair project is to prove that mealworms exposed to an electromagnetic field will develop more quickly.
High School
Science Fair Project Ideas
The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.
High School
Science Fair Project Ideas
This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.
Science Fair Project Ideas
Tenth Grade
Generate gas from garbage. The purpose of this science fair project is to simulate how landfills generate gases that can be used to create energy.
High School
Science Fair Project Ideas
This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?
High School
Science Fair Project Ideas

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