Heat and Temperature

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Across
  1. 2. A form of heat transfer that creates currents
  2. 5. A good natural insulator
  3. 6. When heat bounces off a surface
  4. 8. A wave with vibrations in the same direction as the movement of energy
  5. 11. Thought to be the reason why the earth's crust moves
  6. 14. A metric unit for temperature
  7. 15. The distance from the centre of a wave to the crest
  8. 16. A vacuum is a perfect insulator due to the absence of ...
  9. 19. A material heat easily passes along
  10. 20. A wave that has vibrations perpendicular to the direction of energy
Down
  1. 1. A metric unit for temperature
  2. 3. Also known as heat
  3. 4. A form of energy transmission
  4. 5. The distance from the crest of one wave to the next
  5. 7. When heat goes through a material
  6. 9. Apparatus for measuring temperature
  7. 10. A material that is a poor conductor
  8. 12. Heat transfer that cannot travel in a vacuum
  9. 13. When heat hits dark materials it tends to be ...
  10. 17. How close the peaks and troughs are of a wave
  11. 18. A form of light energy