Term Definition
Frequency number of waves in an certain amount of time.
Amplitude Distance from the middle of the wave to the crest or trough
Wavelength Distance from crest to crest or trough to trough.
Rarefaction The bending of a wave when it enters a new medium and changes speed.
Reflection Bounce off a surface ,Hologram-to cal point
ultraviolet Blacklight
Electromagnetic waves A wave produced by the acceleration of an electric charge.
waves carry _______________ Energy
Medium particles_________to pass energy Vibrate

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