Heat, temperature and states of matter

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Across
  1. 2. state of matter in which the constituent particles vibrate about fixed positions
  2. 4. lack of air
  3. 5. apparatus used to measure temperature
  4. 6. change of state from liquid to vapour which occurs at a specific temperature
  5. 8. type of heat absorved or released, necessary for a change of state
  6. 11. it´s related to the collisions of the gas particles against the walls of the container
  7. 13. change of state from liquid to vapour which occurs on the surface of the liquid
  8. 16. a gas or a liquid
  9. 17. change of state from vapour to liquid
  10. 18. energy transfer that takes place in liquids and gases
  11. 19. state of matter in which the particles move past each other
Down
  1. 1. heat transfer that takes place in solids
  2. 3. state of matter in which the constituent particles move at a fast speed and occupy the whole available space
  3. 7. change of state from liquid to solid
  4. 9. it´s related to the speed of the gas particles
  5. 10. thermal energy that travels through a vacuum
  6. 12. increase in volume
  7. 14. change of state from solid to liquid
  8. 15. random motion in liquids and gases