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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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In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.
Botany
Sixth 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
This project examines the common belief that with increasing age, people are less willing to adopt new technology.
Psychology and Sociology
Fourth 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
The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.
Psychology and Sociology
Tenth Grade
This science fair project will help students learn about non-vascular plants, such as mosses.
Botany
Second Grade
This science fair project idea discovers the average time it takes for a person to remember something completely.
Psychology and Sociology
Middle 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

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