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Science Fair Project Ideas

Education.com has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. We offer free science fair ideas suitable for every grade level, be it preschool, kindergarten, elementary school, middle school, or high school. Check the boxes in the sidebar to filter your results, or use the search bar to find that perfect science fair project or experiment your child will be sure to love.

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What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!
Weather and Climate
Seventh Grade
The objective of this project is to examine the impact of life experiences upon an individual's olfactory experience.
Psychology and Sociology
High School
Evaluate whether birth order influences personality.
Psychology and Sociology
Middle School
Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.
Psychology and Sociology
Fifth Grade
This science fair project idea examines  whether people can decode scrambled messages.
Psychology and Sociology
Middle School
This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.
Psychology and Sociology
Elementary School
Evaluate whether people can raise the temperature of their finger using the power of their thoughts.
Psychology and Sociology
Middle School
Evaluate gender differences in processing visual information.
Psychology and Sociology
Middle School
Explore the neural and mental mechanisms at play in mental imagery.
Psychology and Sociology
Middle School
This middle school science fair project evaluates test subjectsâ ability to determine what a person is feeling by reading their facial microexpressions.
Psychology and Sociology
Middle School
In this science fair project, students evaluate if astrological signs provide clues about people's personalities.
Psychology and Sociology
High School
Learn about the factors that influence group conformity.
Psychology and Sociology
Middle School
This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.
Psychology and Sociology
Middle School
This science project investigates the influence of different genres of movies on appetite.
Psychology and Sociology
Middle School

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