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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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This science fair project creates a visual model of whatâs happening to  sound waves as a car approaches and then leaves.
Fourth Grade
Fifth Grade
Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.
Third Grade
Fourth Grade
The project investigates how water and movement affects erosion.
Elementary School
First Grade
The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.
Seventh Grade
Eighth Grade
Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector
Sixth Grade
Seventh Grade
The goal of this evaporation experiment is to learn about how different external conditions affect drying time.
Second Grade
Third Grade
Science fair project in which you will start a fire from scratch without using matches or a lighter.
Fifth Grade
Sixth Grade
Spring is here, do you want to learn how to make a kite?  In this free science fair project, a step by step guide teaches you how to make great flying kite.
Middle School
Easy

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