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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 106 to 120 of 153
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
Life Science
Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?
Life Science
Seventh Grade
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
Life Science
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
Life Science
Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.
Life Science
Fifth Grade
Science fair project which compares the quantity of cells in the different phases of mitosis by observing the cells of an onion root tip.
Life Science
Ninth Grade
Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?
Life Science
Seventh Grade
Science fair project in which you will graft branches from different fruit tree onto a root stalk.
Botany
Eighth Grade
Science fair project which breeds a pair of mice, a pair of rats and a mouse and a rat in order to learn about the difference.
Life Science
Fifth Grade

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