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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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Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.
High School
Medium
This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.
High School
Middle School
This experiment determines the distribution of darts around a bulls eye to simulate the probability of an electron's location in its own cloud of electrons.
High School
Middle School
Science fair project that models the effect of global warming on the ocean's circulation.
High School
Middle School
Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.
High School
Middle School
This science fair project outlines the uses of gold and explores the monetary value of gold.
High School
Ecology
In this experiment, recycled objects are separated to demonstrate how mixtures are made and the variance in the physical properties of their ingredients.
High School
Middle School
Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.
High School
Ninth Grade
This science fair project idea demonstrates the property of bouncing in a fresh new way.
High School
Physics

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