Heat

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Across
  1. 5. Often trapped in insulators.
  2. 9. An instrument for measuring temperature.
  3. 10. Something which cools down becomes more _______.
  4. 12. Relating to heat.
  5. 14. The change in size of a substance when it is heated.
  6. 16. Heat transfer stops when the two objects are at the same ________________.
  7. 17. Consists of particles packed close together.
  8. 18. Takes the shape of its container.
  9. 20. Contains particles spaced far apart.
Down
  1. 1. Heat transfer which does not require a medium.
  2. 2. Particles in solids ________.
  3. 3. Another term for thermal radiation is __________ radiation.
  4. 4. A substance with a high specific heat capacity.
  5. 6. Involves the collision of particles.
  6. 7. Great conductors of heat.
  7. 8. Heat transfer process which is responsible for ocean currents.
  8. 11. All substances are made up of __________.
  9. 13. Changing a solid into a liquid.
  10. 15. _______ objects reflect thermal radiation.
  11. 19. Something which conducts poorly.