The unit used to measure sound intensity in a way that reflects how our ears perceive sound.
What type of wave does sound travel as?
Speeds above the speed of sound is called ______.
The effect of intensity on the way the ear perceives sound is ______.
A loud noise caused by a shock wave is a ______.
The effect of frequency on the way the ear perceives sound is ______.
Which part of a sound wave results in high pressure with air molecules bunched up?
How does sound behave in a vacuum like space?
Who is the scientist that put an alarm in a glass jar to show the effect of a vacuum on sound?
The change in frequency because of an object's motion is known as:
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