Unit 2 Chemistry

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Across
  1. 2. may be observed in a chemical reaction
  2. 3. techniques for separating the components
  3. 5. energy that comes from motion
  4. 7. conversion of a liquid into vapor
  5. 8. substance is at its melting/freezing point
  6. 10. substance that can be broken down
  7. 11. chemical reaction
  8. 12. a gas changes into a solid
  9. 17. Non uniform composition
  10. 20. property of matter which reflects quantity of energy
  11. 21. from liquid or solid state to gaseous phase
  12. 22. condensing
  13. 23. Material composed of two or more simpler substances
  14. 24. characteristics of a substance that can be observed
Down
  1. 1. same proportions in a given sample
  2. 4. transition from solid to a gas
  3. 6. form of matter is altered 1 thing stays the same
  4. 9. absorbs heat
  5. 13. the energy stored in atoms
  6. 14. phase change of matter that results in a soolid
  7. 15. separates solid particles from to liquid/gas.
  8. 16. A form of matter that has a specific composition
  9. 18. Releases heat
  10. 19. chemical substance that cannot be broken down