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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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In this experiment you observe fires of different colors: white, blue-violet, and green.
High School
Middle School
In this experiment we use Scotch Guard to make sand that resists water.
High School
Middle School
This free science fair project idea teaches you all about the earthworm! Use Education.com for science fair project ideas.
High School
Middle School
Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.
High School
Medium
Science fair project that models the effect of global warming on the ocean's circulation.
High School
Middle School
In this experiment, you experiment with laser jet toner, a magnetic fluid, as it moves, bubbles, and forms unique shapes.
High School
Middle School
Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.
High School
Easy
This high school science fair project idea helps you compare the sensitivity of touch receptors in different areas of the body and between different people.
High School
Easy
Dissect a pinto bean and learn how to identify all of its parts in this science fair project!
High School
Middle School
Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.
High School
Easy

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