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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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Science fair project that uses distillation to convert salt water into fresh water.
Seventh Grade
Eighth Grade
This experiment investigates whether the primacy effect is observed more frequently in specific populations of people.
High School
Ninth Grade
Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.
Tenth Grade
Eleventh Grade
This experiment will determine how different kinds of light affects the strength of baker√Ęs yeast.
High School
Microbiology
This experiment will explore if and where fractals can be found in the natural world.
High School
Botany
Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.
Eighth Grade
Ninth Grade
In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.
Seventh Grade
Eighth Grade
This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.
High School
Applied Mathematics
This experiment will explore how manipulating a graph of historical information might reveal new information about data.
High School
Applied Mathematics

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