Waves

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Across
  1. 4. change in direction of a wave as it changes speed, in moving from one medium into another
  2. 6. wave particles of a medium move back and forth parallel to the direction the wave travels
  3. 8. at right angles
Down
  1. 1. wave travels only through matter
  2. 2. wave travels through matter or through empty space
  3. 3. maximum distance a wave varies from its rest position
  4. 5. wave the disturbance is perpendicular to the direction the wave travels
  5. 7. number of wavelengths that pass a point each second