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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 101 of 101
Test the effect of temperature, evaporation rate, and purity of solution on crystal information in this science fair project.
High School
Middle School
Learn how healthy potted tomato plants can mature and bear fruit in a hydroponic environment! Use Education.com for free science fair project ideas.
High School
Middle School
In this science fair project, you will demonstrate the effect of luminosity and distance on the apparent magnitude of a star.
High School
Middle School
In this science fair project, you will investigate polarized and unpolarized light. Use Education.com to find free science fair project ideas!
High School
Middle School
In this science fair project, you will determine the direction of a magnetic field around a current-carrying wire. Use Education.com for science fair ideas.
High School
Middle School
Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.
High School
Medium

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