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Sound
 

Sound

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Sound

Sound

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    Sound Sound Presentation Transcript

    • Sound
    • Decibel: a unit for measuringthe loudness of sounds.
    • Amplify: to make a soundlouder
    • Frequency: the speed atwhich something vibrates.High-frequency vibrations arerapid vibrations.
    • Hertz: the unit of frequencyequal to one vibration persecond.
    • Inner, Middle, Outer Ear
    • Oscilloscope: an instrumentused to measure thefrequencies of sounds.
    • Pitch: how high or low asound is
    • Sound receiver: somethingthat detects sound.
    • Sound source: an object ormaterial that vibrates in a waythat makes sound.
    • Tension: the degree to whicha material has been stretched.
    • Tune: to adjust the musicalpitch.
    • Vibration: a rapid back-and-forth movement.