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5.40: Ultrasound

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

TermDefinition
sonar Sound navigation and ranging; use of reflected ultrasound waves to locate objects under water.
ultrasound Sound with a frequency above the range of human hearing (greater than 20,000 hertz).

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Description
Difficulty Level:
At Grade
Grades:
7 , 8
Date Created:
Nov 01, 2012
Last Modified:
Sep 13, 2016
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SCI.PSC.232.74.L.1