thermal energy and heat vocab

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Across
  1. 2. material that conducts thermal energy well
  2. 7. an instrument use to measure changes in thermal energy
  3. 10. device that reverses the normal flow of thermal energy
  4. 11. burns fuel outside the engine ex. steam engine
  5. 12. the amount of heat needed to raise the temperature of a substance by 1 degree celsius
  6. 15. fluid that vaporizes and condenses inside the tubing of a heat pump
  7. 16. equal to 0 K; temperature at which all molecular motion stops
  8. 17. any device that converts thermal energy into work
  9. 19. increase in volume of a material due to an increase in temperature
Down
  1. 1. burns fuel inside the engine ex. car
  2. 3. heats many rooms from one central location
  3. 4. transfer of thermal energy through a fluid
  4. 5. transfer of heat when two objects touch with no overall transfer of matter
  5. 6. transfer of energy by waves moving through space
  6. 8. a measure of how hot or cold an object is
  7. 9. a material that conducts thermal energy poorly
  8. 13. occurs when a fluid circulates in a loop as it alternately heats up and cools down
  9. 14. study of the conversion between thermal energy and other forms of energy
  10. 18. transfer of thermal energy from one object to another because of a temperature difference