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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 1 to 15 of 192
Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.
First Grade
Easy
This science fair project idea determines which method of hand cleansing is the most effective.
First Grade
Second Grade
In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.
Second Grade
Food
This project explores whether plants can live and grow when 'watered' with juice, soda, or milk.
First Grade
Second Grade
This science fair project examines how seeds hitchhike on animals and clothing.
Second Grade
Elementary School
This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.
First Grade
Second Grade
In this science fair project, students use the streak test to tell minerals apart from each other.
Second Grade
Elementary School
Test whether plants can grow without sunlight and water.
Second Grade
Elementary School
Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.
Second Grade
Geology
This science fair project will help students learn about non-vascular plants, such as mosses.
Second Grade
Third Grade

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