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Science
Physics
6th Grade - Chapter 2 Sound
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Terms in this set (16)
decibel
The most common unit used to express loudness
Doppler effect
An observed change in the frequency of a wave when the source or observer is moving.
Echo
A reflected sound wave.
Echolocation
The process of using reflected sound waves to find objects.
Interference
The combination of two or more waves that result in a single wave