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Product InformationPhysics teacher Ralph Fudge has developed a unique tool to illustrate the simplicity of loudspeakers and how they convert electrical signals into motion and then sound. You can also use the kit to teach electromagnetism, the interaction of magnetic fields, and the mechanical amplification of sound. Includes student activities for five student groups, a student worksheet, background information, and assembly instructions. Grades 7–12. Tell a Friend about this item
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