Classification of Matter

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Across
  1. 3. 2 or more different substances
  2. 5. change directly from gas to solid
  3. 7. ___ property seen when subst is changed
  4. 9. measure of how hot or cold an object is
  5. 15. associated with the motion of particles
  6. 16. does not have definite volume or shape
  7. 17. water vapor is converted to a liquid
  8. 19. combination of nitrogen & oxygen gases
  9. 21. energy of motion is ___
  10. 25. body temp <28.5 degrees Celsius
  11. 26. has a definite shape & volume
  12. 27. defined as the ability to do work
  13. 28. has a definite volume but not shape
Down
  1. 1. has mass and occupies space
  2. 2. separation of solid & liquid mixture
  3. 4. combination of copper and zinc
  4. 6. water molecules enter gas phase
  5. 8. body temp >41 degrees Celsius
  6. 10. change directly from solid to gas
  7. 11. ___ characteristics measured or observed
  8. 12. composes of one type of atom
  9. 13. composition is uniform in a ___ mixture
  10. 14. boiling point of water is 212 degrees ___
  11. 18. SI unit of energy & work
  12. 20. composition varies in a ____ mixture
  13. 22. composed of 2 or more elements
  14. 23. combination of helium & oxygen gases
  15. 24. energy determined by position of object