Light

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Across
  1. 2. What the Predator sees.
  2. 5. The whole range including visible.
  3. 9. You can cook with them.
  4. 11. Who is the fairest of them all.
  5. 12. It shines from the sun.
  6. 13. Bend travelling in different materials.
  7. 15. Like looking through fog.
  8. 16. From peak to peak.
  9. 17. The separation of colours in ‘The Clear Triangle’.
Down
  1. 1. It is always the same.
  2. 3. The source of the classroom rainbow.
  3. 4. It comes from a source like the Sun.
  4. 6. The clear triangle.
  5. 7. Bend light from rain.
  6. 8. How many in a second.
  7. 10. Angle equal to the incidence.
  8. 14. Can see right through it.
  9. 18. You can’t see through it.