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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 46 to 60 of 1,363
This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.
Psychology and Sociology
Middle School
This science fair project idea is develops new or improved paper making techniques and encourages recycling.
Consumer Science
Elementary School
This project investigates whether chewing gum can help a majority of people with focus and concentration.
Behavioral/Health Science
Psychology and Sociology
This science fair project idea determines the most effective method of preserving food.
Physical Science
Elementary School
Check out this cool and free middle school science fair project idea on how to make a solar oven.
Physics
Seventh Grade
The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.
Behavioral/Health Science
Psychology and Sociology
This project investigates if one learns to write backwards, is one also able to read backwards?
Behavioral/Health Science
Elementary School
This science fair project tests test whether the presence of spell check has changed standards for spelling.
Psychology and Sociology
Elementary School
Design a middle school science fair experiment to measure rate of evaporation of water in containers with different surface areas in a fun and easy way.
Physical Science
Chemistry
Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.
Health and Medicine
Fifth Grade
Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!
Physics
Fourth Grade

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