Waves

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Across
  1. 5. A wave that travels only through matter
  2. 7. Sound that is absorbed by particles
  3. 8. A wave in which the disturbance is perpendicular to the direction the wave travels
  4. 10. The number of wavelengths that pass a point each second
Down
  1. 1. A wave that makes the particles of a medium move back and forth parallel to the direction the wave travels
  2. 2. The change in direction of a wave as it changes speed, moving from one medium into another
  3. 3. A wave that can travel through empty space or through matter
  4. 4. the distance between a point on one wave and the same point on another wave
  5. 6. Waves that have particles that move in circles
  6. 9. The maximum distance a wave varies from its rest position