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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 16 to 23 of 23
This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter
High School
Applied Mathematics
The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.
Applied Mathematics
Eleventh Grade
A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.
High School
Applied Mathematics
This project examines various algorithms to determine the ideal algorithm for a strategy game.
Applied Mathematics
Ninth Grade
The objective of this project is to determine if a specific strategy for buying or selling stock in the stock market might be profitable over a period of time.
High School
Applied Mathematics
This science fair project idea outlines the practical applications of particular origami folding techniques.
High School
Applied Mathematics
The objective of this project is to determine the safety stress range for a piece of balsa wood, while considering weight.
High School
Applied Mathematics

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