Heat

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Across
  1. 4. A material that heat does not pass through easily.
  2. 9. The direction that cold gases/liquids travel.
  3. 13. A measure of heat energy in degrees Celsius.
  4. 14. A material that allows heat to travel through it easily.
  5. 15. The type of heat transfer that doesn't require solids, liquids, or gases.
  6. 17. Used to measure temperature.
Down
  1. 1. The property of a gas/liquid that makes it rise/fall.
  2. 2. A form of energy that makes objects hot.
  3. 3. A method of heat transfer that is most effective in solids.
  4. 5. The building blocks of everything on Earth.
  5. 6. A method of heat transfer in fluids and gases.
  6. 7. A method of reducing heat loss from your home.
  7. 8. The direction that hot gases/liquids travel.
  8. 10. The colour of material that is best at reflecting heat energy.
  9. 11. The colour of material that is best at absorbing and emitting heat energy.
  10. 12. An excellent insulator used in double-glazed windows and wall cavities.
  11. 16. The scientific name for heat radiation.