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17.4 Physical Science - Sound and Hearing Flashcards | StudBud
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17.4 Physical Science - Sound and Hearing
17.4 Physical Science - Sound and Hearing
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#soundwaves #intensity #decibel #loudness #pitch #sonar #Dopplereffect #resonance
Flashcards
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Questions
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Answers
1
Loudness is a (blank) response to the intensity of sound, modified by physical factors.
physical
emotional
2
Doppler Effect - as a sound approaches, an observer hears a (blank)
higher
lower
3
The inner ear...
sends signals to the brain
gathers and focuses sound
receives and amplifies the vibration
4
Ultrasound is used in a variety of applications including (blank) and ultrasound imaging
lasers
sonar
microwaves
electricity
5
Which is a behavior in which sound can be explained?
odor
pitch
speed
color
6
The (blank) is a unit that compares the intensity of different sounds
Decibel (dB)
Pascal (P)
Newton (N)
Hertz (Hz)
7
Sound is (blank) by converting electronic signals back into sound waves
recorded
reproduced
8
Pitch is the (blank) of a sound as you perceive it.
frequency
loudness
9
Musical instruments are able to change pitch by changing the (blank) of standing waves
shape
frequency
volume
pitch
10
High-frequency sounds have a (blank) pitch
high
low
