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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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Take a dive into the candy jar with this yummy science experiment.
Fourth Grade
Chemistry
The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.
Eighth Grade
Hard
This science fair project teaches students about wilting and browning of salad greens.
Kindergarten
Elementary School
Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.
High School
Hard
What combination of cloth and stain will be the easiest for removing stains? Test and experiment!
Elementary School
Fourth Grade
The goal of this project is to create an exciting topographical map out of dough.
Elementary School
Fourth Grade

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