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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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This science project challenges high school students to study the linguistic evolution of text messaging.
High School
Behavioral/Health Science
This science fair project challenges students to research vortices occurring in nature and then create their own vortex.
High School
Hard
Science fair project in which you will graft branches from different fruit tree onto a root stalk.
Eighth Grade
Ninth Grade
This science fair project idea determines if mice and rats become aggressive when another mouse or rat is introduced into their territory.
High School
Middle School
This science fair project challenges students to research and interact with the animals and plants that live in tide pools and test a practical use of tidepools
High School
Middle School
A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.
High School
Middle School
Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.
Ninth Grade
Tenth Grade
Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.
Tenth Grade
Physics
Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.
Eleventh Grade
Twelfth Grade

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