Energy Transfer - Heat

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Across
  1. 3. Molecules with less thermal energy move _________
  2. 5. How fast do infrared waves travel?
  3. 8. Heat transfers until objects are the _________ temperature
  4. 10. Transfer of heat through direct contact
  5. 13. Heat will always move from the _________ object into a cooler object
  6. 14. Radiation is unique because heat transfer by radiation can happen in a ________
  7. 15. Molecules with more thermal energy move _________
  8. 16. The type of electromagnetic wave that carries heat
  9. 18. Another name for a poor insulator
  10. 19. An object that slows down the transfer of thermal energy
  11. 20. Cooler fluids sink because the molecules are ________ densely packed
  12. 21. Cooler fluids _________
Down
  1. 1. Radiation travels as __________ ________
  2. 2. Warmer fluids float because the molecules are ________ densely packed
  3. 4. Heated fluids _________
  4. 6. Conduction can't happen in space because there are no ________ there
  5. 7. This type of matter is typically a better conductor of heat
  6. 9. Transfer of heat through a fluid
  7. 11. The process where objects get bigger as the molecules gain thermal energy
  8. 12. Transfer of heat by electromagnetic waves
  9. 17. General term for matter that has molecules that flow