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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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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.
Anatomy
Seventh Grade
Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?
Aerodynamics
Fifth Grade
For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.
Botany
Second Grade
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
Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.
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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