Unit 2 Review

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Across
  1. 1. Compressing air _________
  2. 3. Force x distance
  3. 12. The unit for work and energy
  4. 13. The law of ________ of energy states that energy cannot be created or destroyed
  5. 14. Expanding air _________
  6. 15. Thermal energy transfer from molecule to molecule
  7. 16. When water evaporates, molecular kinetic energy will _________
  8. 18. The process of changing from a liquid to a gas
  9. 21. When a substance is heated and its molecules jiggle faster and move farther apart
  10. 23. The movement of a single type of energy from one substance to another
  11. 25. Water molecules can connect to other water molecules through ________ bonds
  12. 26. A measure of the average kinetic energy of the molecules of a substance
  13. 27. Not rigid, no fixed shape, no fixed volume
  14. 28. The type of energy that is stored and held in readiness
  15. 30. The force that is formed between two masses is _________ proportional to the square of the distance between them
  16. 31. The conversion of one type of energy into a different type of energy
  17. 32. Mass x velocity
Down
  1. 2. Direct transfer of thermal energy from the source
  2. 4. Energy in motion
  3. 5. Thermal energy transfer driven by density differences in fluids
  4. 6. Not rigid, no fixed shape, fixed volume
  5. 7. The process of changing from a gas to a liquid
  6. 8. The study of the movement of thermal energy
  7. 9. Rigid, fixed shape, fixed volume
  8. 10. G is known as the universal gravitational _________
  9. 11. Force x time
  10. 17. The transfer of thermal energy from one thing to another
  11. 19. When two substances have transferred thermal energy and reached the same temperature
  12. 20. When ice melts, latent heat is ________
  13. 22. The process of changing from a liquid to a solid
  14. 24. The property of a system that enables it to do work
  15. 29. The process of changing from a solid to a liquid