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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 151 to 165 of 169
This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.
Middle School
High School
This science fair project idea studies an optical illusion and explores whether a person is using their left or right brain hemisphere.
Elementary School
Fifth Grade
This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.
Middle School
Sixth Grade
This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.
Elementary School
Fifth Grade
Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.
High School
Hard
Science fair project that determines the effect of concentrated mental effort on physical performance levels.
High School
Psychology and Sociology
This science fair experiment examines the relationship between gender, age, and smiling.
Middle School
Psychology and Sociology
This science project allows students to study the psychology of happiness.
Elementary School
Fifth Grade
This project is about after-images and what possibly affects them.
Middle School
Psychology and Sociology
Middle School
Psychology and Sociology
In this free science fair project idea, test a friend on how long it takes them to trace the mirror image of an object.
Middle School
High School
The objective of this project is to test which soda drink is most attractive to pests as a natural bait during a picnic.
Elementary School
Middle School

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