Reflection and refration

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Across
  1. 5. a solid liquid or gas
  2. 6. the law that states when a light hits a mirror it changes direction
  3. 8. when light changes direction
  4. 10. when light is reflected unregularly
  5. 11. reflects some light
  6. 12. reflects all light that hits it
Down
  1. 1. when light reflects regularly
  2. 2. the image formed in a mirror
  3. 3. the angle of the original light shone at a mirror
  4. 4. the angle of the light that is reflected by a mirror
  5. 7. when light changes direction as a result of going through another medium
  6. 9. the invisible line that the angle of Incidence and reflection are measured from
  7. 11. reflects hardly any light