wave - disturbance that transmits energy from one location to another without transmitting matter with it, Frequency - number of complete cycles that occur in one second, Period - time it takes for one cycle to complete, Mechanical wave - waves that need a medium to travel through, Electromagnetic wave - can travel through empty space, Longitudinal wave - vibration of wave in the same direction as travel, Transverse wave - vibration of wave is perpendicular to direction of travel, Standing wave - two waves with the same amplitude and the same frequency moving in opposite directions encounter each other, Sound - wave produced by a vibrating object,

Waves

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