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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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Showing 31 to 45 of 241
Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.
Electricity and Magnetism
Eighth 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
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
This science project investigates the influence of different genres of movies on appetite.
Psychology and Sociology
Middle School
In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.
Psychology and Sociology
Middle School
This project explores whether people's choice of a 'random' number is not as random as it seems.
Psychology and Sociology
Elementary School
Construct batteries that make electricity from fruits with this fun science fair project.
Electricity and Magnetism
Fifth Grade
Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.
Psychology and Sociology
Third Grade
In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.
Psychology and Sociology
Fifth Grade
This science fair project idea explores whether cats can be trained in the same way that dogs can.
Psychology and Sociology
Elementary School
Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.
Psychology and Sociology
Elementary School
This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.
Psychology and Sociology
Elementary School
In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.
Psychology and Sociology
Ninth Grade

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