wave vocab study guide

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Across
  1. 5. the change in direction of wave that occurs as the wave changes speed when moving from one medium to another
  2. 6. Wave do not need matter to transfer energy. waves that don't need matter to transform energy
  3. 7. the change in direction of a wave when it travels by the edge of an object or through an opening
  4. 8. Wave energy causes the matter in the medium to move back and forth at right angles to the direction the wave travel
  5. 9. the transfer of energy by a wave to the medium through which it travels
Down
  1. 1. Wave need matter to transfer energy
  2. 2. rythamic disturbances that carry energy without carrying matter
  3. 3. the wave bonces off a surface
  4. 4. Wave a mechanical wave in which matter in the medium