Science.8.8.B

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The student is expected to explain the use of electromagnetic waves in applications such as radiation therapy, wireless technologies, fiber optics, microwaves, ultraviolet sterilization, astronomical observations, and X-rays.
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Knowledge and Skills Statement

Force, motion, and energy. The student knows how energy is transferred through waves.

a range of waves that are propagated by simultaneous periodic variations of electric and magnetic field intensity

measurable quantity that describes how much change can occur within a system

a disturbance or variation that transfers energy progressively from point to point with or without a medium, without transferring matter

Research

Aubrecht, Gordon. “Seeing the World Through Instrumental ‘Eyes’: An Historical Timeline and Related Activities Illustrate the Importance of the Electromagnetic Spectrum in Providing Vital Clues about the Evolution of the Universe.” The Science Teacher 70, no. 7 (2003): 52–57. http://www.jstor.org/stable/24155127

Summary: “Seeing the World Through Instrumental ‘Eyes’: An Historical Timeline and Related Activities Illustrate the Importance of the Electromagnetic Spectrum in Providing Vital Clues about the Evolution of the Universe" details the origins of astronomical observations and the discovery and use of the electromagnetic spectrum to continue making these observations.