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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 76 to 90 of 139
In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.
Fourth Grade
Hard
Check out 10 of our favorite chemistry experiments for kids. Little mad scientists can learn about endothermic and exothermic reactions, electrolysis, oxidation, and combustion with easy experimental procedures that enlighten young minds while minimizing the need for specialized equipment.
Science Fair Project Ideas
Chemistry
This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.
Elementary School
First Grade
This science fair project idea enhances awareness of local food production and food sourcing.
Elementary School
Middle School
This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.
Elementary School
Fourth Grade
Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.
Elementary School
Middle School
In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.
Elementary School
Third Grade
This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.
Middle School
High School
Quench your thirst with great tasting lemonade while you explore the concepts of acid and base, and how these differ from sweet and sour.
Sixth Grade
Chemistry
This science fair project explores different types of endangered frogs, and why some are endangered while others are not.
Ninth Grade
Hard

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