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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 identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.
Ninth Grade
Tenth Grade
Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.
High School
Hard
Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.
High School
Hard
Science fair project that determines the effect of concentrated mental effort on physical performance levels.
High School
Psychology and Sociology
Science fair project that builds a magnetometer and demonstrate its uses.
High School
Middle School
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 the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework
High School
Psychology and Sociology
Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.
High School
Middle School
Detail the chemical properties, nutritional value, medicinal effects of garlic, Write a detailed report, prepare recipes.
High School
Middle School
Science fair project that illustrates the properties of black holes in space.
High School
Physics
Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.
High School
Medium

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