amplitude - the height of a wave from the mean, wavelength - the distance from one wave crest to the next wave crest, wave - a means of transferring energy, frequency - the number of wave passing a point per second, crest - the top of a wave, trough - the bottom of a wave, period - the time it takes for one wave to pass, speed - how fast a wave is travelling, longitudinal - waves where the oscillation is in the same direction as the wave, transverse - waves where the oscillation is perpendicular to the direction of the wave,

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