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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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Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.
Fourth Grade
Weather and Climate
This science fair project idea enhances awareness of local food production and food sourcing.
Elementary School
Middle School
In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.
Fourth Grade
Easy
This experiment investigates if stress alters body temperature.
Middle School
Sixth Grade
How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!
Fifth Grade
Electricity and Magnetism
This science fair project idea determines which method of hand cleansing is the most effective.
Elementary School
First Grade
We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.
High School
Ninth Grade
It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.
Middle School
Sixth Grade

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