Science waves

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Across
  1. 2. The lowest point of a wave
  2. 6. The distance from the rest position to the crest or from the rest position to the trough
  3. 7. The highest point of a wave
  4. 9. A disturbance that moves energy
  5. 10. The distance from one crest of a wave to the next crest
Down
  1. 1. waves A wave that moves matter in the same direction that the wave is traveling
  2. 3. Particles in a longitudinal wave that are close together
  3. 4. A material a wave travels through
  4. 5. waves A wave that moves matter perpendicular to the direction of the wave
  5. 8. Particles in a longitudinal wave that are spread out