Electromagnetic Spectrum, The complete range of all types of radiation that has both electric and magnetic fields and travels in waves., Frequency, a measurement of how often a recurring event such as a wave occurs in a measured amount of time., Wavelength, the distance between successive crests of a wave, Crest, the top of a wave, Trough, The lowest point, or valley, of a wave, amplitude, the distance between a crest or trough of a wave and line through the center of a wave, Rarefaction, component of a wave in which a medium's particles are further apart, Compression, a region in a longitudinal wave where the particles are closest together, Transverse, A type of wave in which the disturbance moves at right angles, or perpendicular, to the direction in which the wave travels, Longitudinal, A type of wave in which the disturbance moves in the same direction that the wave travels

Waves

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