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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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What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.
Tenth Grade
Physics
The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.
High School
Middle School
Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.
High School
Middle School
Analyze temperature and precipitation data to determine whether current weather conditions are outside the historical norm.
High School
Middle School
This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.
High School
Elementary School
This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.
High School
Ninth Grade
Science fair project that designs a video game that requires players to use relevant skills.
High School
Middle School
The objective of this project is to examine the impact of life experiences upon an individual's olfactory experience.
High School
Psychology and Sociology

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