sound
Post on 14-Nov-2014
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Sound
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Sound
Decibel: a unit for measuring the loudness of sounds.
Amplify: to make a sound louder
Frequency: the speed at which something vibrates. High-frequency vibrations are rapid vibrations.
Hertz: the unit of frequency equal to one vibration per second.
Inner, Middle, Outer Ear
Oscilloscope: an instrument used to measure the frequencies of sounds.
Pitch: how high or low a sound is
Sound receiver: something that detects sound.
Sound source: an object or material that vibrates in a way that makes sound.
Tension: the degree to which a material has been stretched.
Tune: to adjust the musical pitch.
Vibration: a rapid back-and-forth movement.
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