Crossword Puzzle: Wave

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Across
  1. 4. do not need a medium to travel.
  2. 5. moves in a direction back and forth parallel to the direction of the wave.
  3. 6. refers to a repetitive motion
  4. 8. refers to a quantity when given to a particular substance will heat it up or make it do work
Down
  1. 1. requires a medium through which to travel.
  2. 2. a disturbance that moves energy from one place to another
  3. 3. moves up and down perpendicular to the direction of the wave
  4. 7. The material through which a wave travels.