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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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Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.
Tenth Grade
Physics
Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.
Fifth Grade
Sixth Grade
This science fair project challenges students to research and interact with the animals and plants that live in tide pools and test a practical use of tidepools
High School
Middle School
Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?
Seventh Grade
Eighth Grade
What happens when 'coffee-addicts' miss coffee for 1 day? Find out in this science fair project idea!
Sixth Grade
Seventh Grade
Science fair project in which you will graft branches from different fruit tree onto a root stalk.
Eighth Grade
Ninth Grade
Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.
Seventh Grade
Eighth Grade
This science project challenges high school students to study the linguistic evolution of text messaging.
High School
Behavioral/Health Science
Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.
Seventh Grade
Eighth Grade

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