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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 goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.
Science Fair Project Ideas
High School
The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.
Science Fair Project Ideas
High School
The objective of this science fair project is to determine which sunglasses block ultraviolet (UV) light better than others.
Science Fair Project Ideas
Elementary School
Various fabrics retain heat differently. The objective of this science fair project is to determine which kinds of fabrics most effectively retain heat.
Science Fair Project Ideas
Elementary School
The objective of this science fair project is to determine whether electric power can be generated from fruits to power a light bulb and a buzzer.
Science Fair Project Ideas
High School
The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.
Science Fair Project Ideas
Middle School

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