thermal energy and heat vocab

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