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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.
Psychology and Sociology
Zoology
In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.
Zoology
Second Grade
In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.
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
4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.
Zoology
Fourth Grade
In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.
Zoology
Kindergarten
This project investigates whether chewing gum can help a majority of people with focus and concentration.
Psychology and Sociology
High School
Learn how different types of soil affect how animal tracks form in this experiment!
Zoology
Kindergarten
In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.
Psychology and Sociology
Fifth Grade
Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!
Psychology and Sociology
Eighth Grade

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