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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 636
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 explores whether plants can live and grow when 'watered' with juice, soda, or milk.
Life Science
Botany
Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!
Microbiology
Life Science
How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.
Anatomy
Third 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
This science experiment tests if dog saliva can really help heal wounds.
Microbiology
Elementary School
How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.
Microbiology
Sixth Grade
Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.
Zoology
Eighth Grade

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