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This item is a three-minute video segment from NASA for Grades 5-12 on the electromagnetic spectrum. It introduces the seven categories of the spectrum and explores how each type of radiation affects daily living. Teachers' Domain is an NSF-funded pathway of the National Science Digital Library (NSDL). It is a growing collection of more than 1,000 free educational resources compiled by researchers and experienced teachers to promote the use of digital resources in the classroom.
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