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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 science fair project idea is develops new or improved paper making techniques and encourages recycling.
Consumer Science
Elementary School
The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.
Consumer Science
Tenth Grade
This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.
Sports
Middle School
This project examines whether more expensive golf balls translate into better results on the golf course.
Sports
Middle School
Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.
Consumer Science
Middle School
With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.
Sports
Fourth Grade

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