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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
Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?
Seventh Grade
Eighth Grade
Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.
Eighth Grade
Ninth Grade
Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?
Eighth Grade
Ninth Grade
Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.
Seventh Grade
Eighth Grade
Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?
Seventh Grade
Eighth Grade
Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.
Seventh Grade
Eighth Grade
Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.
High School
Hard
Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.
Seventh Grade
Eighth Grade
Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?
Eighth Grade
Ninth Grade
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
This experiment will explore whether adding different substances to a gel affects its strength.
High School
Chemistry
Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.
Eighth Grade
Ninth Grade

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