Physical and Chemical Changes

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Across
  1. 2. rusting is an example of this (2 words)
  2. 4. a change from liquid to solid
  3. 7. procedure used to determine the volume of an irregularly shaped object
  4. 9. 2 or more atoms chemically combined
  5. 11. this can be used to measure the volume of a substance (2 words)
  6. 13. has indefinite shape and indefinite volume
  7. 14. has a definite shape and a definite volume
  8. 15. a phase change is an example of this (2 words)
  9. 17. this can be used to find the mass of a substance (3 words)
  10. 19. the amount of space something takes up
  11. 20. physical properties that depend on the amount of matter, not the type
  12. 21. the most abundant state of matter in the universe
  13. 22. another word for evaporation
  14. 24. a change from gas to solid
  15. 26. when using a graduated cylinder, you measure to the bottom of this
  16. 29. a change from solid to gas
  17. 30. these types of reactions require (absorb) energy
Down
  1. 1. this type of property can be observed without changing the identity of a substance
  2. 3. a change from gas to liquid
  3. 5. has indefinite shape but definite volume
  4. 6. properties observed during a reaction where a new substance is formed
  5. 8. physical properties that depend on the type of matter, not the amount
  6. 10. another way to describe a state of matter
  7. 12. this common substance expands as it freezes
  8. 16. a change from liquid to gas
  9. 18. SI units use this form of measurement (2 words)
  10. 23. 2 different elements that are chemically bonded
  11. 25. these types of reactions release energy
  12. 27. a change from solid to liquid
  13. 28. mass divided by volume