Chapter 2 Key Terms

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Across
  1. 3. ability to do work
  2. 4. energy can only change forms
  3. 6. solid to vapor
  4. 8. change of appearance
  5. 9. made of just one kind of particle
  6. 14. liquid heats, bubbles, turns to vapor
  7. 17. liquid to vapor
  8. 19. force that acts on moving object
  9. 20. space an object occupies
  10. 21. solidification
  11. 23. quantity of matter
  12. 27. liquid to gas below boiling point
  13. 30. parts can be separated easily
  14. 31. different forms of matter
  15. 32. vapor to solid
  16. 33. variable shape and volume
Down
  1. 1. change into another substance
  2. 2. gravitational attraction for a mass
  3. 5. how fast particles move
  4. 7. nuclei rearrange to form new atoms
  5. 10. combination of two or more atoms
  6. 11. atoms from different elements bond
  7. 12. particles collide and become charged
  8. 13. takes up space and has mass
  9. 15. variable shape but fixed volume
  10. 16. a push or a pull
  11. 18. more or fewer electrons than protons
  12. 22. pure substance with one kind of atom
  13. 24. bodies attracted to the earth
  14. 25. fixed shape and volume
  15. 26. vapor to liquid
  16. 28. basic unit of matter
  17. 29. solid to liquid