Everyday Engineering: Budding Sound Engineers: Listening to Speakers and Earbuds | NSTA

Everyday Engineering: Budding Sound Engineers: Listening to Speakers and Earbuds

Science Scope—March 2015

In this 5E learning-cycle lesson, students construct a simple speaker consisting of a coil of wire, a magnet, and a disposable cup for a diaphragm that is connected to an MP3 player. Students then evaluate competing design solutions to determine how to improve the performance of their speakers.

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