wave, a disturbance or variation that transfers energy progressively from point to point, amplitude, measure of a wave's height, frequency, number of waves passing by a specific point per second, wavelength, distance between 2 troughs or crests of a wave, trough, lowest point of a wave, crest, highest point of a wave, reflection, bouncing back of light when it strikes the medium, refraction, shift of light when it passes through a medium leading to the bending of light, transmit, to convey or pass along, electromagnetic wave, waves that can travel through the emptiness of space, they do not need a medium to travel, absorption, taking in of light when it hits a medium, medium, material a wave passes through, speed of sound, 343 m/s, speed of light, 300,000,000 m/s, frequency is measured in, the unit seconds, loudness, amplitude of a wave, solids, state of matter that particles are closest, violet, color with the highest frequency and shortest wavelength, red, color with the lowest frequency and longest wavelength, compression, part of a sound wave where particles are smooshed together (crest)., rarefaction, part of a sound wave where particles are spread out (trough)., analog signals, A continuous signal, such as a sound wave., digital signal, A signal in which continuous data has been translated to a series of noncontinuous digits, like 1 and 0., longitudinal wave, wave that goes back and forth such as a sound wave, transverse wave, wave that goes up and down such as a wave of water.

Waves

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