Characteristics of waves

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Across
  1. 4. A repeated back-and-forth or up-and-down motion.
  2. 5. A wave that occurs at the surface between two mediums.
  3. 7. The part of a longitudinal wave where the particles are far apart.
  4. 9. Units of measurement for frequency.
  5. 11. A wave that moves the medium in a direction perpendicular to the direction in which the wave travels.
  6. 13. The distance between two corresponding part of a wave.
  7. 14. How far the wave travels in one unit of time, or distance by time.
Down
  1. 1. The highest part of a transverse wave.
  2. 2. The number of complete waves that pass a given point in certain amount of time.
  3. 3. The part of a longitudinal wave where the particles of the medium are close together.
  4. 5. A transverse wave that can't travel through liquids.
  5. 6. A longitudinal wave that moves faster than any other seismic wave.
  6. 8. A wave that move the medium parallel to direction in which wave travels.
  7. 10. The lowest part of a transverse wave.
  8. 12. A wave produced by an earthquake.