Sound Test

Flashcard
•
Science
•
8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What property of waves is changed when adjusting the volume on a TV?
Back
Amplitude
2.
FLASHCARD QUESTION
Front
What phenomenon allows you to hear sound around an open door?
Back
Diffraction
3.
FLASHCARD QUESTION
Front
Which instrument has a higher pitch: a violin or a cello, and why?
Back
The violin because it has a higher frequency; frequency and pitch are directly related.
4.
FLASHCARD QUESTION
Front
If an alarm system produces a wave with a higher decibel level, which alarm is the loudest?
Back
The alarm with the highest decibel level.
5.
FLASHCARD QUESTION
Front
How does the speed of sound in water compare to the speed of sound in air?
Back
Sound travels slower in air than in water.
6.
FLASHCARD QUESTION
Front
What is the definition of amplitude in the context of sound waves?
Back
Amplitude is the maximum extent of a vibration or oscillation, measured from the position of equilibrium.
7.
FLASHCARD QUESTION
Front
What is the relationship between frequency and pitch?
Back
Frequency and pitch are directly related; higher frequency means higher pitch.
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