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Fourth Grade Science Fair Project Ideas

Great selection of fourth grade science fair project ideas. These science fair projects can help you find fourth grade level ideas for your science fair.

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Fourth Grade “human-anatomy”
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The purpose of this science fair project is to investigate how the caffeine in soda drinks impacts the human heart rate.
Caffeine and Heart Rate
Fourth Grade
Kindergarten
This science fair project idea explores the different parts of the human ear and models how the human ear reacts to sound waves.
How Do We Hear?
Fourth Grade
Elementary School
This science fair project idea experiments with spinning color wheels and optical illusions.
A Trick for the Eyes: Color Wheels and Optical Illusion Tops
Fourth Grade
Elementary School

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