Wave Vocabulary Crossword

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Across
  1. 4. Abrupt change in the direction of propagation of a wave that strikes the boundary between different mediums
  2. 8. The lowest point below the rest position
  3. 10. A wave vibrating at right angles to the direction of its propagation
  4. 11. The ..... of a wave is the point on the medium that exhibits the maximum amount of positive or upward displacement from the rest position
Down
  1. 1. The spreading of waves around obstacles
  2. 2. What refers to the time it takes something to happen
  3. 3. A wave vibrating in the direction of propagation
  4. 5. The distance between any given point and the same point in the next wave cycle
  5. 6. The displacement of a wave from zero
  6. 7. The change in direction of a wave passing from one medium to another caused by its change in speed
  7. 9. The number of events per unit of time where an event is repeating at regularly spaced time intervals