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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 1 to 16 of 16
Science fair project that models the effect of global warming on the ocean's circulation.
High School
Middle School
In this science fair project, all you need is a tennis ball and stopwatch to model the use of sonar to determine ocean depths.
High School
Middle School
In this science fair project, learn how to model the hydrologic cycle, the continuous interchange of water between the oceans, land, plants, and clouds.
High School
Middle School
This science fair project examines whether ocean water can be made safe to drink.
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
Is temperature a requirement for solar energy uses? This project tests this theory and examines the amount of usable sunlight for solar-energy applications.
High School
Middle School
This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.
High School
Earth & Space Science
Science fair project that determines whether algae can be made to grow by feeding it supplementary carbon dioxide.
Sixth Grade
Seventh Grade
The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.
Ninth Grade
Medium
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.
Sixth Grade
Seventh Grade
In this experiment we use Scotch Guard to make sand that resists water.
High School
Middle School
Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.
Eighth Grade
Ninth Grade

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