Sound. Decibel: a unit for measuring the loudness of sounds.
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Transcript of Sound. Decibel: a unit for measuring the loudness of sounds.
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Sound
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Decibel: a unit for measuring the loudness of sounds.
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Amplify: to make a sound louder
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Frequency: the speed at which something vibrates. High-frequency vibrations are rapid vibrations.
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Hertz: the unit of frequency equal to one vibration per second.
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Inner, Middle, Outer Ear
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Oscilloscope: an instrument used to measure the frequencies of sounds.
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Pitch: how high or low a sound is
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Sound receiver: something that detects sound.
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Sound source: an object or material that vibrates in a way that makes sound.
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Tension: the degree to which a material has been stretched.
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Tune: to adjust the musical pitch.
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Vibration: a rapid back-and-forth movement.