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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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Learn how different types of soil affect how animal tracks form in this experiment!
Zoology
Kindergarten
Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!
Zoology
Fourth Grade
This science fair project idea determines if family members can recognize one another using only the sense of smell.
Anatomy
Elementary School
Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!
Zoology
Fourth 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.
Applied Mathematics
Seventh Grade
It's easy to do science in the kitchen with these fantastic food experiments for kids. Little gastronomers will observe the enzymatic activity of pineapple, quantify the amount of grease in potato chips, and discover effective ways to inhibit (or encourage!) mold growth on bread with this series of fun and enriching science fair projects. Bon Apptit!
Microbiology
Science Fair Project Ideas

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