Thermal Energy & Heat Vocab

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