Properties of Waves

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Across
  1. 2. the distance from the rest position to the crest
  2. 4. particles spread out
  3. 6. particles close together
  4. 7. waves can make this
  5. 8. the distance from one crest to another crest
Down
  1. 1. a wave vibrating at right angles to the direction of its propagation
  2. 3. waves transverse or longitudinal
  3. 5. a wave vibrating in the direction of propagation