In order to describe the nature of sound, you have to be able to use the terminology correctly. See if you can match each term with its definition.
sound waves
speed of sound in air
supersonic
mach
pitch
frequency
octave
ultrasonic
infrasonic
Waves that are longitudinal, mechanical waves.
343 m/s
Faster than the speed of sound.
The term used to describe a multiple of the speed of sound.
How high or low humans perceive sound to be.
This determines the pitch of a sound.
This occurs when the frequency of a sound doubles.
Above the human hearing range.
Below the human hearing range.
Directions
To match items, click or tap an item in the left column and then click or tap its match in the right column. If you change your mind, make a different choice. Once you have matched all items, click "Check Answers" to see how you did. Click "Reset" to try again.
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