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Electromagnetic Spec

Electromagnetic Spectrum

TermDefinition
Frequency The frequency of a wave is the number of times per second that the wave cycles.
Electromagnetic Spectrum The range of waves that includes radio waves, microwaves, infrared waves, visible light, ultraviolet light, X-rays, and gamma rays.
Trough The lowest point on a wave.
Crest The highest part of a wave.
Inverse Relationship Shortest
Longitudinal Waves Longitudinal waves vibrate in the same direction that the wave travels.
Amplitude Amplitude is a measure of the wave’s height. It also tells us how much energy a wave has. Waves with more energy have higher amplitudes.
Waves Waves transport energy, not matter, from place to place.
Wavelength Wavelength measures the distance between wave peaks. The closer the peaks of the wave are to each other, the more energy the waves have. The opposite is also true: when the wavelength is longer, the waves have less energy.
Sound waves Sound waves are caused by vibrations. Since air is made of particles (matter), it transports sound very well. When a speaker vibrates it creates longitudinal waves that travel in ALL directions.
Created by: nancie aita
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