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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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Showing 91 to 105 of 269
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.
Physical Science
Sixth Grade
Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.
Chemistry
Sixth Grade
Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.
Chemistry
Eighth Grade
Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.
Chemistry
Seventh 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?
Physics
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.
Chemistry
Seventh Grade
Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.
Chemistry
Ninth Grade
Use a bomb calorimeter to measure and calculate the amount of energy (calories) within various foods. ignite food samples, calculate change in temperature.
Physical Science
Ninth Grade
Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.
Physics
Tenth Grade
This science fair project idea demonstrates the property of bouncing in a fresh new way.
High School
Physics
Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?
Physics
Seventh Grade
Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.
Physical Science
Eleventh Grade

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