NEW Thermodynamics Vocabulary Review

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Across
  1. 1. This temperature scale is based on absolute zero.
  2. 5. The molecules of a substance move faster when they --- energy.
  3. 9. A --- curve is a graph showing the temperatures and phase changes for the endothermic phase changes.
  4. 10. In thermal ---, two objects in contact exchange energy until they reach the same temperature.
  5. 11. This temperature scale is based on the freezing point and boiling point of water.
  6. 13. One of the advantages of using the Kelvin temperature scale is that is has no --- numbers.
  7. 14. The heat of --- is the amount of energy needed to melt 1 kg of a substance.
  8. 16. A substance that allows the rapid transfer of energy, as heat or electrical current, through a substance.
  9. 18. The average kinetic energy of the molecules of a substance.
  10. 20. Absolute zero is the --- possible temperature at which all motion ceases.
  11. 21. A substance that does not allow the rapid transfer of energy, as heat or electrical current, through a substance.
  12. 24. The flow of energy from high temperature to low temperature.
  13. 25. In condensation, energy is ---.
  14. 28. The phase change from liquid to gas.
  15. 29. The heat of --- is the amount of energy needed to transform 1 kg of a liquid to a gas.
  16. 30. The transfer of energy through movements of mass (currents) in a fluid.
  17. 31. In a phase change, the temperature is --- .
Down
  1. 2. Any process that absorbs energy from the surrounding environment.
  2. 3. “Dry Ice” does not melt; instead, it goes through a phase change called --- and has no liquid phase.
  3. 4. A --- curve is a graph showing the temperatures and phase changes for the exothermic phase changes.
  4. 6. The phase change to solid directly from gas without a liquid phase.
  5. 7. The phase change from liquid to solid.
  6. 8. The phase change from solid to liquid.
  7. 12. Both endothermic and exothermic processes exchange energy with the surrounding ---.
  8. 14. This temperature scale is only used in the United States.
  9. 15. In melting, energy is --- .
  10. 17. The molecules of a substance slow down when they --- energy.
  11. 19. The phase change from gas to liquid.
  12. 22. The --- heat of a substance is the amount of energy needed to raise the temp of 1 kg by 1 C.
  13. 23. The transfer of energy by electromagnetic waves without requiring contact with the source of the energy.
  14. 26. Any process that releases energy into the surrounding environment.
  15. 27. The transfer of energy through the collisions of molecules in a solid.