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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 experiment will examine and precisely measure the amount of sugar in various sodas.
High School
Physics
This science fair project examines whether ocean water can be made safe to drink.
High School
Chemistry
The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.
High School
Chemistry
This science fair project idea explores how far the average human can see.
High School
Physical Science
Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C
High School
Chemistry
Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.
Chemistry
Ninth Grade
Determine whether fresh vegetables have more calories or less calories than canned vegetables.
High School
Chemistry
Find out if most people can distinguish the difference between tones on different instruments.
Physical Science
Seventh Grade
Discover whether people can distinguish what a person looks like just by listening to their voice.
Physical Science
Seventh Grade
Study emulsifiers and learn how work, use in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.
Chemistry
Eighth Grade

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