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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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Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.
Sixth Grade
Seventh Grade
Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.
High School
Medium
A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?
High School
Middle School
Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.
Seventh Grade
Eighth Grade
Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.
High School
Middle School
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
Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.
High School
Food
This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.
High School
Ninth Grade
These science fair experiments demonstrate the chemistry of rust and the oxidation process.
High School
Elementary School
In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.
High School
Middle School

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