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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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Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.
Food
Third Grade
This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.
Behavioral/Health Science
Middle School
This project examines whether and what associations exist between numbers and letters and colors.
Behavioral/Health Science
Middle School
In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.
Food
Second Grade
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.
Psychology and Sociology
Zoology
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 evaluates if personality affects the type of movies that people prefer.
Behavioral/Health Science
High School
Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!
Botany
Fourth Grade
This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.
Behavioral/Health Science
High School
This project investigates an interesting question: If one learns to write backwards, is one also able to read backwards?
Behavioral/Health Science
Elementary School

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