Chaper 15 Vocab

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Across
  1. 3. bouncing of a wave off a surface
  2. 4. the change in direction of a wave when it travels by the edge of an object or through an opening
  3. 5. the change in direction of a wave that occurs as the wave changes speed when moving from one medium to another
  4. 9. the transfer of energy by a wave to the medium through which it travels
  5. 10. a disturbance that transfers energy from one place to another without transferring matter.
  6. 12. the lowest points on a transverse wave
  7. 13. the passage of light through an object
  8. 16. makes the particles in a medium move parallel to the direction that the wave travels
  9. 17. a material in which a wave travels
  10. 18. regions of a longitudinal wave where the particles are farthest apart
  11. 19. the maximum distance that a wave moves from its rest position
  12. 20. the number of wavelengths that pass by a point each second
Down
  1. 1. when waves that overlap combine, forming a new wave
  2. 2. a wave that can travel only through matter
  3. 6. a wave that can travel through empty space and through matter
  4. 7. regions of a longitudinal wave where the particles in the medium are closest together
  5. 8. when a wave is reflected from a surface, the angle of reflection is equal to the angle of incidence
  6. 11. the highest points on a transverse wave
  7. 14. the distance from one point on a wave to the same point on the next wave
  8. 15. a wave in which the disturbance is perpendicular to the direction the wave travels