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Crust The highest point on a wave.
trough the lowest point on the wave.
wavelength The size of the wave
frequencey the number of waves that pass a given amount of time.
amplitude the distance between a waves mid-point and its crest and trough
transverse wave a wave in which the the crest and trough move at right angles to the direction of the wave travels
roygbiv red,orange,yellow,green,blue,indigo,violet
light energy that you can see
reflection the light will bounce off or reflests off an object.
refraction light rays as they enter a new medium.