Energy

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Across
  1. 3. a disturbance that travels through matter or space, carrying energy not matter
  2. 6. bending of a light wave when it passes from one medium to another
  3. 7. energy carried by electromagnetic waves
  4. 10. a substance that allows light to pass through it but scatters the light
  5. 11. waves of vibrating electric and magnetic fields
  6. 12. a substance that does not allow light to pass through
  7. 13. the particles vibrate back and forth in the same direction as the wave
Down
  1. 1. the number of vibrations a wave has in a given time
  2. 2. a substance that allows light to travel through
  3. 4. distance that any point on the wave moves from its resting position
  4. 5. the particles vibrate at right angles to the direction of the wave
  5. 8. the measurement of the distance between the crests and the troughs in a series of waves
  6. 9. bending of light waves off a surface