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| A longitudinal wave caused by vibrations and carried throughout a substance. |
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| Substance through which a wave can travel. |
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| How low or high a sound seems to be. |
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| is the apparent change in frequency of a sound caused by the motion of either the listener or the source of the sound. |
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| extent to which a sound can be heard. |
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| Unit used to express loudness. |
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| the process of using reflected sound waves to find an object. |
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| Is the explosive sound of a shock wave as it reaches your ear. |
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| is the pattern of vibration that looks like a wave that is standing still. |
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| happens when an object vibration or near a resonant frequency of a second object causing it to vibrate. |
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| the result of the blending of several pitches through interference. |
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| A sound that consists of a random mix of frequencies. |
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