Hot Stuff: A Thermal Energy Crossword

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Across
  1. 4. Change in entropy equation
  2. 5. Sum of the kinetic & potential energies of particles that make up an object
  3. 6. Thermal energy is added to a system
  4. 9. The amount of thermal energy needed to melt 1kg of substance
  5. 10. The transfer of thermal energy that occurs when particles collide
  6. 12. 1st law of thermodynamics equation
  7. 14. The thermal energy needed to vaporize 1 kg of liquid
  8. 16. Measure of the dispersal of energy
  9. 17. The transfer of energy by electromagnetic waves
  10. 19. The state when the rates of thermal energy transfer between 2 objects are equal and the objects are at the same temperature
  11. 20. Thermal energy is removed from a system
Down
  1. 1. Heating caused by the motion of fluid in a liquid or gas due to temperature differences
  2. 2. Heat required to melt a solid equation
  3. 3. The change in thermal energy of an object is equal to the heat that is added to the object minus the work
  4. 7. Heat equation
  5. 8. Whenever there is an opportunity for energy dispersal, the energy always spreads out
  6. 11. Heat required to vaporize a liquid equation
  7. 13. The transfer of thermal energy, which occurs spontaneously from a hotter object to a cooler object
  8. 15. The amount of energy that must be added to a unit mass of the material to raise its temperature by one temperature unit
  9. 18. A device that converts thermal energy to mechanical energy