Xavier chapter 8

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Across
  1. 6. a wave caused by a distance in electic and magnetic fields and dose not require a medium.
  2. 7. is a wiggle in space and time a disturbance that travels from one place to another trans
  3. 9. describes how fast the disturbance moves through the medium.
  4. 10. occurs whenever successive impulses are applied to a vibrating object in rhythm with its natural frequency.
Down
  1. 1. perpendicular is at right angles (sideways) to wave travel.
  2. 2. the number of to-and-fro vibrations in a given time
  3. 3. is a wiggle in time.
  4. 4. vibration is in the direction of travel.
  5. 5. a wave that require a medium through which to travel.
  6. 8. the time it takes for a complete vibration