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Ninth Grade Science Fair Project Ideas

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

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In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.
Ninth Grade
Middle School
Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).
Ninth Grade
Middle School
Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.
Ninth Grade
Weather and Climate
This science fair project explores different types of endangered frogs, and why some are endangered while others are not.
Ninth Grade
Hard
The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.
Ninth Grade
Seventh Grade
Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.
Ninth Grade
Sixth Grade

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