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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 idea determines if family members can recognize one another using only the sense of smell.
Anatomy
Elementary School
Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.
Botany
Third Grade
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
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
Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.
Botany
Fifth Grade

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