TECHNOLOGY
Christensen, Victoria G.

How Sensors Work

(4) 4-6 Connect with Electricity series. These small books skim through rather higher-level explanations of the components and properties of electronic materials, along with historical and applied examples, descriptions of the engineering processes, and a smattering of related chemistry and biology. Numerous photographs of scientists and children working with gadgets, plus diagrams explaining the physics, appear throughout. An experiment concludes each book. Reading list, websites. Bib., glos., ind. Review covers the following Connect with Electricity titles: How Batteries Work, How Conductors Work, How Sensors Work, How Circuits Work, How LEDs Work, and How Transistors Work.

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