Heating and Cooling

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Across
  1. 2. send out (heat, energy)
  2. 4. a record of the image made by a thermal imaging camera
  3. 5. take in or soak up
  4. 7. a constant forwards and backwards motion
  5. 8. energy passed along a solid as its particles heat and vibrate
  6. 11. something that prevents heat moving from one place to another
  7. 13. the sum of the energies of all the particles
  8. 15. throw back (heat, light) without absorbing it
  9. 16. when a substance gets bigger
Down
  1. 1. a device that forms an image using infrared radiation
  2. 3. the way that heat energy is transferred from a hotter place to a colder place
  3. 6. a space completely free from everything
  4. 9. hot air rising
  5. 10. a method of heat transfer in fluids
  6. 12. a measure of the heat energy in hot objects
  7. 14. mass/volume