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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 which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?
Botany
Seventh Grade
Science fair project that observes hemoglobin synthesis in the small crustacean species Daphnia Magna.
Life Science
Ninth Grade
Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.
Life Science
Seventh Grade
Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.
High School
Life Science
Science fair project that measures the number of Calories in algae obtained from different environments to compare the amount of oil present in each sample.
Life Science
Sixth Grade
Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.
Life Science
Ninth Grade
Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.
Life Science
Fifth Grade
A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?
High School
Life Science
Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.
High School
Botany

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