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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 examines how seeds hitchhike on animals and clothing.
Botany
Elementary School
Are there really specific taste areas of the tongue for sweet, salty, bitter, sour, and umami? Find out for yourself in this cool science project.
Anatomy
Fourth Grade
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
Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.
Zoology
Third Grade
Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.
Engineering
Sixth Grade
This experiment investigates if stress alters body temperature.
Life Science
Middle School
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 Appétit!
Microbiology
Science Fair Project Ideas

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