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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 253
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
Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.
Physical Science
Ninth Grade
The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.
Physical Science
Seventh Grade
The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.
Physics
Tenth 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
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 that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.
Chemistry
Sixth Grade
Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?
Physics
Sixth Grade
The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.
Physics
Tenth 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
A great science fair project on solar oven design that helps kids learn about solar power and solar heating.
Physical Science
Seventh Grade
These science fair experiments demonstrate the chemistry of rust and the oxidation process.
High School
Chemistry

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