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Measure Sound Levels
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How level when the train moving?
90-100 dB
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What the typical shows when the level of common sound 100-110 dB?
At a rock concert
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If you rind a small bell gently, it has a...
Soft Volume
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What the typical shows when the level of common sound 60-70 dB?
People Talking
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What the typical shows when the level of common sound 10-20 dB?
Leaves Rusting
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The tools can measure the sound level called..
Sound level meter
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What the typical shows when the level of common sound above 180 dB?
Rocket taking off
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Is how loud or soft a sound called..
Volume
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How high or low a sound is
Pitch
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The loudness of a sound is measured in units called..
Decibels (dB)
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