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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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Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.
High School
Middle School
This science fair project idea is develops a modern interior lighthouse design and encourages lighthouse preservation and restoration.
High School
Hard
Determine whether the application of Febreeze will lower the bacterial count.
High School
Life Science
Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C
High School
Middle School
Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?
High School
Psychology and Sociology
Experiment with fermenting various fruits, grains or syrups. Describe and illustrate the fermentation process in a detailed report.
High School
Hard
This science fair project discovers the properties and uses of sand and develops new or improved methods, techniques, or products involving sand.
High School
Ecology
Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.
High School
Middle School
Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.
High School
Hard
Demonstrate and explain holographic technology. Determine if a holographic image of a magnifier still magnifies the object beneath it. Explain the effect.
High School
Medium
Design a more versatile real estate website. Contact realtors and real estate websites for advice and further information. modify an existing design
High School
Hard

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