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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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This experiment evaluates if personality affects the type of movies that people prefer.
Behavioral/Health Science
High School
This science fair project teaches students the differences between fruits and vegetables.
Food
Elementary School
This science experiment tests if dog saliva can really help heal wounds.
Health and Medicine
Elementary School
This science fair project idea explores the fastest average speed a human can talk.
Physical Science
Middle School
Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.
Aerodynamics
Fourth Grade
This project examines whether people's taste perception is influenced by what they see.
Psychology and Sociology
Elementary School
Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.
Chemistry
Sixth Grade
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.
Chemistry
Science Fair Project Ideas
We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.
Behavioral/Health Science
High School

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