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.
1666 TEKS header image

Knowledge and Skills Statement

Force, motion, and energy. The student knows how energy is transferred through waves.
Glossary terms and definitions are consistent across kindergarten through high school in the TEKS Guide. The definitions are intended to give educators a common understanding of the terms regardless of what grade level they teach. Glossary definitions are not intended for use with students.

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

 a 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.