Heat Crossword Puzzle

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Across
  1. 1. SI unit of heat energy
  2. 4. Type of motion similar to straight line motion.
  3. 5. The average kinetic energy of particles in a substance.
  4. 7. Heat transferred when objects are in physical contact.
  5. 10. SI unit of temperature
  6. 12. Phase change that is a cooling process.
  7. 13. The amount of energy needed to raise 1 kg of a substance 1 Celsius degree.
  8. 14. Energy transferred during a liquid-gas phase change.
  9. 15. Type of motion similar to a spinning top.
  10. 16. Type of motion similar to the bending and stretching of bonds between atoms.
  11. 18. Energy transferred during a solid-liquid phase change.
  12. 19. Usually when objects lose heat energy they _____.
Down
  1. 2. Usually when objects gain heat energy they _____.
  2. 3. The total energy of all particles in a substance.
  3. 6. A state in which two objects in contact have the same temperature.
  4. 8. Phase change that is a warming process.
  5. 9. An energy transfer between objects of different temperatures.
  6. 11. Heat transferred due to the movement of a fluid.
  7. 17. Heat transferred when forms of light are absorbed or emitted.