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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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What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.
Third Grade
Anatomy
In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!
Third Grade
Chemistry
This project examines whether people's taste perception is influenced by what they see.
Third Grade
Elementary School
Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.
Ninth Grade
Physics
This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.
Third Grade
Elementary School
Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.
Third Grade
Easy
This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.
Ninth Grade
High School
This experiment evaluates how a diet that is rich in 'mood-enhancing' foods affects the way people feel over several weeks.
Ninth Grade
High School
How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.
Third Grade
Anatomy

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