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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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This project examines whether people who are frequent users of Facebook feel less or more lonely than infrequent Facebook-users.
Behavioral/Health Science
Psychology and Sociology
Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.
Food
Fifth Grade
This cool music science fair project idea has kids determine the effect of music on memory. Can music improve our cognitive abilities? Why or why not?
Psychology and Sociology
Middle School
This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.
Psychology and Sociology
Fourth Grade
This experiment investigates if stress alters body temperature.
Life Science
Health and Medicine
This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.
Behavioral/Health Science
Elementary School
How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.
Microbiology
Sixth Grade
Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.
Botany
Fourth Grade
This science fair project tests test whether the presence of spell check has changed standards for spelling.
Psychology and Sociology
Elementary School
This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.
Behavioral/Health Science
Middle School
This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.
Botany
Third Grade
This experiment evaluates how a diet that is rich in 'mood-enhancing' foods affects the way people feel over several weeks.
Behavioral/Health Science
High School

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