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Browse: Keyword: Coherent Light

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Laser Light Properties: Protecting the Mummified Troll!

(Complete Item Description)

Abstract:: 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?"

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary, Secondary
Collection:: TeachEngineering

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Laser Types and Uses

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Abstract:: Through two classroom demos, students are introduced to the basic properties of lasers through various mediums. In the Making an Electric Pickle demonstration, students see how cellular tissue is able to conduct electricity, and how this is related to various soaking solutions. In the Red/Green Lasers through Different Mediums demonstration, students see the properties of lasers, especially diffraction, in various mediums. Follow-up lecture material introduces students to the mechanisms by which lasers function and relates these functions to the properties of light. In the associated activity, student teams research specific laser types and present their findings to the class.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary, Secondary
Collection:: TeachEngineering

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Top Keywords

Absorption Challenge Coherent Coherent Light Collimate Collimated Light Demonstration Diffraction Electromagnetic Spectrum Engineering Design Process Interference Laser Legacy Cycle Light Light Properties Light Sensor model Monochromatic Monochromatic Light Particle Theory Photon Reflection Refraction Security System Sensor

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Absorption Challenge Coherent Coherent Light Collimate Collimated Light Demonstration Diffraction Electromagnetic Spectrum Engineering Design Process Interference Laser Legacy Cycle Light Light Properties Light Sensor model Monochromatic Monochromatic Light Particle Theory Photon Reflection Refraction Security System Sensor transmission Troll Visible Light Wave Theory

Conditions of Use

No Strings Attached
Remix and Share
Share Only
Read the Fine Print

No restrictions on your remixing, redistributing, or making derivative works. Give credit to the author, as required.

Your remixing, redistributing, or making derivatives works comes with some restrictions, including how it is shared.

Your redistributing comes with some restrictions. Do not remix or make derivative works.

Copyrighted materials, available under Fair Use and the TEACH Act for US-based educators, or other custom arrangements. Go to the resource provider to see their individual restrictions.

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