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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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The purpose of this science fair project is to determine whether it takes more force to move an object over a smooth surface or a rough surface.
Science Fair Project Ideas
Elementary School
The purpose of this science fair project is to determine which household products are acids or bases.
Science Fair Project Ideas
Elementary School
Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.
Science Fair Project Ideas
Elementary School
Purpose of science fair project: does pre-washing lettuce with a vinegar and water solution remove more bacteria than washing with only water?
Science Fair Project Ideas
Elementary School
Garlic has a distinctive smell health benefits. The purpose of this science fair project is to determine whether garlic inhibits the growth of bacteria.
Science Fair Project Ideas
Middle School
Sense of smell is one of the most powerful senses for a dog.  Is a dog's sense of smell affected by the length of its muzzle?
Science Fair Project Ideas
Kindergarten

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