9th grade chemistry/physics sound quiz
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Last updated 1:14 AM on 2/16/23
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16 Terms
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wave
A disturbance that transfers energy from place to place
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medium
matter through which a wave travels
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transversal wave
moves the medium perpendicular to the wave
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Compression Wave
Wave that the particles move backwards and forwards in the same direction as the energy transfer
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Crest
Highest point of a wave
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Trough
Lowest point of a wave
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Frequency
the number of complete wavelengths that pass a point in a given time
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Hertz
the unit of frequency, equal to one cycle per second
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wave length
the length of a wave crest to crest
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rest position
The position where the wave is at rest, half way between the crest and trough.
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Amplitude
Height of a wave aka volume
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Volume
common word for amplitude/loudness
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decibel
a unit of measure for amplitude/ volume
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pitch
How high or low a sound is
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Doppler effect
A change in sound frequency caused by motion of the sound source, motion of the listener, or both.
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Resonance
when one object vibrating at the same natural frequency of a second object forces that second object into vibrational motion