pptx, 596.17 KB
pptx, 596.17 KB
This worksheet can be used at the end of a lesson about the frequency ranges of sound, as a long pre-plenary(!)
After students have been taught about the human listening range and the frequency boundaries for ultra and infra sounds, they can enhance and the tutor can assess their understanding. It includes also some "extension" questions for the quick students. (It looks better in colour)

Viktoria Tsakyri

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