Chemical and Physical Changes

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Across
  1. 2. Separating substances by their boiling point
  2. 3. Change in a substance without change in composition
  3. 5. Substance that allows electricity and heat to flow easily through it
  4. 8. Change in chemical composition and in which a new substance is produced
  5. 11. Ability to decompose naturally
  6. 12. Temperature at which a substance changes from a solid to a liquid
  7. 14. Substance that does not allow electricity and heat to flow through it
  8. 15. Ability of a solute to dissolve in a solvent
  9. 16. A substance's resistance to flow
  10. 18. When carbon and oxygen react to produce ash and carbon dioxide gas
  11. 19. Green tint copper develops when exposed to air
  12. 20. Ability of a metal to be pounded into sheets
Down
  1. 1. Temperature at which a substances changes from a liquid to a gas
  2. 4. Ability of a chemical to burn skin
  3. 6. How readily a substance reacts to other chemicals
  4. 7. Ability to burn in the presence of oxygen
  5. 9. Ability to be attracted to a magnet
  6. 10. Solid produced when two liquids chemically react
  7. 13. Iron reacting with oxygen and water
  8. 17. Ability of a metal to be drawn into wires