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3-12

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Auditory, Visual

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WGBH

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Simple Solutions

The most valuable contributions engineers make to humanity are probably not high-tech electronics, but, rather, they are simple and inexpensive solutions that make life better for large populations of people: inventions such as a cheap and easy-to-use water-testing devices. In this video, mechanical engineer Amy Smith explains the design process for an innovation that enables poor people in isolated villages to determine whether their water supplies are free of dangerous bacteria. This resource is useful for introducing components of Engineering Design (ETS) from the Next Generation Science Standards (NGSS) to grade 3-12 students.

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