medium - A substance that carries a wave or disturbance from one location to another, electromagnetic spectrum - The range of all electromagnetic radiation, which is energy that travels in waves, wavelength - Distance between two troughs or two crests, amplitude - Maximum distance a wave moves from their rest position; or the amount of energy, crest - Highest point of a wave, trough - Lowest point of a wave, transverse wave  - Vibrating particles move in a direction at right angles or perpendicular to the direction of the wave, frequency - The number of wave crests that pass a given point in one second,

Waves

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