chemistry crossword

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Across
  1. 8. characteristic of a substance
  2. 9. yellow triangle
  3. 11. able or likely to shatter violently or burst apart
  4. 14. liquid, solid, and gas
  5. 15. liquid to solid
  6. 16. liquid to gas
  7. 17. solid turns to gas without going through the liquid state
  8. 21. sediments, soil and rocks are added to a landform or land mass
  9. 22. occupies space and possesses rest mass
  10. 23. dangerously reactive
Down
  1. 1. burning of the skin
  2. 2. any property that is measurable
  3. 3. a change were a new substance is formed and is not reversible
  4. 4. a change were no new substance is formed and is irreversible
  5. 5. gas under pressure
  6. 6. red octagon
  7. 7. orange diamond
  8. 10. poisonous
  9. 12. water that collects as droplets on a cold surface when humid air is in contact with it.
  10. 13. combined chemically with oxygen
  11. 15. catches fire easily
  12. 16. producing electricity
  13. 18. risk to human health
  14. 19. causes slight inflammation
  15. 20. solids to liquid