Introduction To Physical Science

Chapter 17: Sound

Section 2 Self-Check Quiz-Eng.

1
What is the difference between music and noise?
A)Music follows a specified pattern of sounds and pitches; noise has no pattern.
B)Music has a wider range of frequencies than noise.
C)Noise has a greater intensity than music.
D)It is strictly a matter of opinion.
2
The __________ is the frequency at which a material tends to vibrate when it is disturbed.
A)natural frequency
B)quality
C)pitch
D)resonance
3
__________ is the ability of a medium to vibrate by absorbing energy at its natural frequency.
A)Resonance
B)Overtone
C)Quality
D)Reverberation
4
A(n) __________ is a vibration whose frequency is a multiple of the fundamental frequency.
A)natural frequency
B)resonant frequency
C)overtone
D)reverberation
5
The echoing effect produced by many reflections of sound is called __________.
A)resonance
B)intensity
C)rarefaction
D)reverberation
6
In the human ear, sound waves are gathered in the __________.
A)outer ear
B)middle ear
C)inner ear
D)cochlea
7
Which of the following is NOT a group of musical instruments?
A)stringed
B)overtones
C)wind
D)percussion
8
How does a musician change the note played on a woodwind instrument?
A)by changing the mouthpiece
B)by extending the slide
C)by changing the length of the resonating column of air
D)by winding the strings more tightly
9
In the human ear, the membrane that stretches across the ear canal like a drumhead is called the __________.
A)cochlea
B)hammer
C)anvil
D)eardrum
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