Introduction To Physical Science

Chapter 17: Sound

Sound

1
__________ is a system that uses the reflection of underwater sound waves to detect objects.
A)Radar
B)Sonar
C)The Doppler Effect
D)Echolocation
2
The echoing effect produced by many reflections of sound is called __________.
A)rarefaction
B)resonance
C)reverberation
D)intensity
3
Which of the following will you hear as a high pitch?
A)sound wave with frequency of 10,000 Hz
B)sound wave with frequency of 50 Hz
C)sound wave with intensity of 10 dB
D)sound wave with intensity of 100 dB
4
In which of the following mediums will sound travel fastest?
A)brick
B)air
C)water
D)oil
5
A reflected sound wave also is called __________.
A)a Doppler
B)noise
C)an echo
D)resonance
6
The intensity of sound is measured in units called __________.
A)decibels
B)reverberations
C)hertz
D)dopplers
7
The two types of regions that make up compressional waves are __________.
A)compressions and transmissions
B)vibrations and transmissions
C)compressions and extensions
D)compressions and rarefactions
8
How does temperature of a medium affect the speed of sound waves?
A)As the temperature of a substance increases, sound waves in it move faster.
B)Temperature does not affect the speed of sound waves.
C)As the temperature of a substance increases, sound waves in it move more slowly.
D)As the temperature of a substance decreases, sound waves in it move faster.
9
Which of the following is NOT a group of musical instruments?
A)percussion
B)stringed
C)wind
D)overtones
10
The process of locating objects by emitting sounds and interpreting the reflected sound waves is __________.
A)ultrasound
B)echolocation
C)radar
D)sonar
11
__________ occurs when waves bend around a barrier.
A)Reflection
B)Refraction
C)Interference
D)Diffraction
12
As frequency increases, wavelength __________.
A)remains constant
B)decreases
C)increases
D)becomes faster
13
In the human ear, sound waves are gathered in the __________.
A)cochlea
B)middle ear
C)outer ear
D)inner ear
14
What is the difference between music and noise?
A)Music has a wider range of frequencies than noise.
B)Music follows a specified pattern of sounds and pitches, noise has no pattern.
C)Noise has a greater intensity than music.
D)It is strictly a matter of opinion.
15
What type of waves are sound waves?
A)sonar
B)compressional
C)radio
D)transverse
16
The change in pitch due to a moving wave source is called __________.
A)the compressional effect
B)the Doppler effect
C)a rarefaction
D)resonance
17
The amount of energy a wave carries depends on __________.
A)pitch
B)the Doppler effect
C)the amplitude of the wave
D)the frequency of the wave
18
The human perception of sound intensity is __________.
A)frequency
B)pitch
C)acoustics
D)loudness
19
__________ is the ability of a medium to vibrate by absorbing energy at its natural frequency.
A)Overtone
B)Reverberation
C)Resonance
D)Quality
20
The __________ is the frequency at which a material tends to vibrate when it is disturbed.
A)resonance
B)natural frequency
C)pitch
D)quality
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.