Mallory Vandenk

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Across
  1. 4. vibration is at right angles to the wave travel
  2. 7. vibration is in direction of travel
  3. 8. a wave that requires a medium through which wave travel
  4. 10. a wave caused by disturbance in electric and magnetic fields and doesn't require a medium
Down
  1. 1. the propagation of a disturbance through a medium
  2. 2. occurs whenever successive impulses are applied to a vibrating object in rhythm with its natural frequency
  3. 3. the number of to-and-from vibrations in a given time
  4. 5. describes how fast the disturbance moves through the medium
  5. 6. a wiggle in time
  6. 9. the time it takes for a complete vibration
  7. 11. a change in frequency as measured by an observer due to the motion of the source or listener