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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 1 to 15 of 469
Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.
Food
Third Grade
This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.
Psychology and Sociology
Fourth Grade
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
The objective of this experiment is to evaluate which types of people are most impacted by the McCollough effect.
Behavioral/Health Science
Middle School
It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.
Behavioral/Health Science
Middle School
Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.
Health and Medicine
Seventh Grade
Kids often ask, 'how tall am I?' This science fair project seeks to determine how well kids can guess their own heights.
Psychology and Sociology
First Grade
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
How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.
Psychology and Sociology
Seventh Grade
In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.
Zoology
Kindergarten
This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.
Behavioral/Health Science
High School

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