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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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Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.
High School
Psychology and Sociology
Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.
High School
Medium
Science fair project that determines whether brain size is correlated with intelligence.
High School
Medium
This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.
High School
Middle School
Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.
High School
Medium
Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.
High School
Medium
Study and categorize the functions and types of genes. Run gene experiments  chosen from links. Analyze data, explain ideas in a detailed report.
High School
Genetics
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
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
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

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