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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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Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.
Eighth Grade
Psychology and Sociology
In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.
Fifth Grade
Psychology and Sociology
Evaluate whether birth order influences personality.
Middle School
Psychology and Sociology
Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.
Fifth Grade
Middle School
Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.
Third Grade
Psychology and Sociology
This science fair project idea examines  whether people can decode scrambled messages.
Middle School
Psychology and Sociology
In this science fair project, students evaluate if astrological signs provide clues about people's personalities.
High School
Ninth Grade

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