Science Crossword

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Across
  1. 4. a characteristic of a substance that can be observed without changing its identity
  2. 6. water
  3. 8. process of reactants changing into a different substance
  4. 9. 14 on pH scale
  5. 10. the process of water to gas in the water cycle
  6. 11. 1 on pH scale
  7. 13. to separate out solids
  8. 15. where a solid goes straight to a gas
  9. 16. depositing a solid substance in a chemical
Down
  1. 1. water vapor
  2. 2. wall
  3. 3. the point where a solid turns to liquid
  4. 5. result of putting salt in water and stirring
  5. 7. the reactants after the chemical change
  6. 9. the point where a liquid turns to gas
  7. 12. process of removing solids from liquids or gases
  8. 14. a result of a mix of 2 or more substances