WorksheetsUltrasound and Infrasound
Total questions: 8
Worksheet time: 5mins
Name
Class
Date
1.
Ultrasound is used to break apart kidney stones.
a)
True
b)
False
2.
Ultrasound waves are electromagnetic waves.
a)
True
b)
False
3.
Ultrasound waves are sound waves that are too low pitched for the human ear to hear.
a)
True
b)
False
4.
Ultrasound occurs at frequencies above 20,000 Hz.
a)
True
b)
False
5.
Infrasound can be heard by humans.
a)
True
b)
False
6.
Infrasound can be used to track tornadoes.
a)
True
b)
False
7.
Infrasound occurs at frequencies below 20 Hz.
a)
True
b)
False
8.
Elephants produce infrasound to communicate over distances.
a)
True
b)
False
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