Physics

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Across
  1. 2. – How fast a wave travels through a medium.
  2. 4. – How high or low a sound seems to us.
  3. 5. – Distance from one wave crest to the next.
  4. 6. – How many waves pass a point in one second.
Down
  1. 1. Wave – A wave caused by an earthquake.
  2. 3. Effect – Change in pitch as a sound source moves.