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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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In this free science fair project, experiment the rate of plant growth with the concentration of growth-stimulating chemical. Great science project for kids.
Botany
Middle School
In this free science fair project, experiment with whether plants grow best in nutrient solution or plants.  Explore the science of hydroponics.
Botany
Middle School
The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.
Botany
Elementary School
Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.
Microbiology
Elementary School
In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.
Anatomy
Fourth Grade
When the lungs are filled, they hold varying volumes of air depending on the size of person. In this project, learn how to measure your lung's air capacity.
Anatomy
Middle School
The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.
Anatomy
Psychology and Sociology
Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.
Botany
Elementary School
Psychology and Sociology
Anatomy
Botany
Elementary School

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