Vocabulary list
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| Mechanical wave | waves that require a medium
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| Electromagnetic wave | a wave that travels through empty space
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| wave | a traveling disturbance involving the transfer of energy from place to place
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| medium | the material through which a wave travels
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| Trough | Lowest point in a transverse wave
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| Crest | Highest point of transverse wave
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| Wavelength | The distance between two identical points on the wave; like crest to crest or trough to trough.
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| Compression | Area that is squeezed together in a longitudinal wave
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| Rarefaction | Part of the longitudinal wave that is spread out
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| vibration | movement that repeats itself from side to side or from top to bottom.
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| amplitude | the maximum distance from the rest position. The higher the higher the wave the higher the amplitude. The lower the wave the lower the amplitude.
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| energy | ability to do work
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| transverse wave | Waves in which particles vibrate in an up-and-down motion
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| longitudinal wave. | the particles of the medium vibrate back and forth along the path that the wave moves
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| frequency | number of waves that pass a point in a certain amount of time. The shorter the frequency the faster the wave travels. The longer the frequency the slower the wave travels.
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| parallel | the direction the medium travels with a longitudinal wave.
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| right angles | the direction the medium travels with a transverse wave.
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| Hertz | the unit for the frequency of the wave
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| Period | time required for a complete wave to pass through a point.
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Drmiriamabe
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