vibration - A back and forth motion that repeats., Longitudinal wave - When the direction of the vibration is the same as that of the wave., Volume - How loud or quiet a sound is, in decibels (dB)., Pitch - How low or high a sound is. A low (high) pitched sound has a low (high) frequency., Amplitude - The maximum amount of vibration, measured from the middle position of the wave, in metres., Wavelength - The distance between two corresponding points on a wave, in metres., Frequency - The number of waves produced in one second, in Hertz (Hz)., Vacuum - A space with no particles of matter in it., Oscilloscope - Device for viewing patterns of sound waves that have been turned into electrical current., Absorption - When energy is transferred from sound to a material., Auditory Range - The lowest and highest frequencies that a type of animal can hear., Echo - Reflection of sound waves from a surface back to the listener.,
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Sound KS3
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