Memory Game Waves BreakoutOnline version Review waves vocabulary by Kimberly Scott material through which a wave travels R electromagnetic wave cornea a form of energy that can move through the vacuum of space and travels in a transverse wave A clear tissue that covers the front of the eye and refracts light the lens E wave in which the vibration is at right angles to the direction in which the wave is traveling V waves that require a medium through which to travel S a wave in which the particles of the medium vibrate parallel to the direction of wave motion N optic nerve transverse wave retina repeated disturbance or vibration that transfers or moves energy from place to place T the nerve that carries messages from the retina to the brain for interpretation S mechanical wave medium the light sensitive inner surface on the back of the eye, containing light sensitive cells E a repeated back and forth or up and down motion R longitudinal wave wave vibration