Sound and Light

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Across
  1. 2. The perception of the amplitude of a sound wave
  2. 3. Unit used to measure the frequency of a wave
  3. 8. The bouncing of light waves off a surface
  4. 10. The number of vibrations a wave has in a given time
  5. 11. A disturbance traveling through matter or space, carrying energy from one place to another without transporting matter
  6. 13. Light can travel through without being scattered
  7. 15. wave Light is one type of this
Down
  1. 1. wave The particles of this wave vibrate back & forth along the same direction as the wave
  2. 4. wave Particles in this wave vibrate at right angles to the direction of the wave.
  3. 5. This substance will not allow light to pass through it
  4. 6. Light is so scattered through this that objects cannot be seen clearly
  5. 7. The distance between any two adjacent wave crests
  6. 9. Bending of light
  7. 12. The perception of the frequency of a sound as being high or low
  8. 14. The distance that any point on the wave is moved from its resting place; it is equal to one-half of the wave height