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Chapter 21 Review Sound

Terms in this set (40)

The complete back and forth motion of objects
Sound is created by
medium
A substance through which a wave can travel is a
a vacuum
Not a medium for sound
Sit in the back of the room during a rock concert
One thing you can do to protect your hearing is to
each has several different pitches that mix together through interference
Different instruments produce their own unique sound qualities because
shorten the string
What can a violinist do if one string is producing a sound that is too low?
String vibrates; bridge vibrates; body of viola vibrates; resonance occurs
A correct sequence of sound from a viola
A random mix of frequencies
What produces a noise?
sound quality
The blending of pitches through interference produces an instrument's
loudness
The amplitude of a sound's waves determine the sound's
Are ultrasonic sounds
Sounds with frequencies higher that 20,000 Hz
The Doppler effect
The motion of either the listener or the source of a sound causes
the pitch of the sound
The frequency of a sound wave determines
Sound waves cannot travel through a vacuum
True statement about sound
smooth and hard surface
An echo is most likely to result when sound hits a surface that is
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