Amplitude, 1/2 the total height of the wave, Wavelength, The distance from one point on a wave until that point repeats its self, Frequency, The number of waves to pass a point in one second, Period, The time to produce one wave, Transverse Wave, A wave who's particles vibrate at 90 degrees to the direction of motion, Longitudinal Wave, The particles vibrate back and forth in the same direction as the waves motion., Speed of a wave, The distance covered by a wave in a given time., Diffraction, The bending of a wave around an object or through a gap, Refraction, When light changes speed, wavelength and sometimes direction as it moves from one medium to another, All waves transfer, Energy

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