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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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If you hold a fire up to a balloon, it pops instantly. What if you could prevent this from happening? In this project, we do just that.
High School
Middle School
Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA
High School
Medium
In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.
High School
Middle School
Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.
High School
Middle School
This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.
High School
Middle School
Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.
High School
Food
Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?
High School
Middle School
In this science fair project, you will test the effectiveness of calcium propionate, a food preservative that inhibits mold growth in bread.
High School
Middle School
In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!
High School
Middle School

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