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Laser Light Properties: Protecting the Mummified Troll!

Laser Light Properties: Protecting the Mummified Troll!
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In this four-lesson "legacy cycle" unit, students learn and use the properties of light to solve the following challenge: "A mummified troll was discovered this summer at our school and it has generated lots of interest worldwide. The principal asked us, the technology classes, to design a security system that alerts the police if someone tries to pilfer our prized possession. How can we construct a system that allows visitors to view our artifact during the day, but invisibly protects it at night in a cost-effective way?" This engineering curriculum meets Next Generation Science Standards (NGSS).

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Teaching Duration
2 Weeks
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