Device that displays sound waves as electronic oscillations - Oscilloscope, Characteristic that gives sound its volume - Amplitude, Charateristic that gives sound waves their pitch - Frequency, If sound doubles in frequency, this is the change in pitch - Octave, Type of wave such as light, UV, gamma, water - Transverse, All sounds are caused by these - Vibrations, Sound above 20 000 Hz - too high pitched to hear - Ultrasound, Unit of frequency - Hertz, Type of wave where vibrations are along the direction of the wave - Longitudinal,

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