Matter Crossword Puzzle

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Across
  1. 4. When a substance reacts with oxygen
  2. 7. Acids react with these, bases do not
  3. 8. Substances that contain H+ ions
  4. 9. Acids and bases both conduct ________
  5. 11. Greek mathematician
  6. 12. The type of acid found in fruits
  7. 14. A characteristic of matter that describes how it will react with other forms of matter.
  8. 17. In order for an object to float its density must be _____ than the substance it's submerged in
  9. 18. a metal that oxidizes, but does not rust
  10. 19. The amount of space an object or substance occupies
  11. 21. A characteristic of matter that can be observed without altering the chemical composition
Down
  1. 1. The attraction between water molecules
  2. 2. Type of change that occurs when bending iron bars
  3. 3. Example of a chemical property
  4. 5. The amount of mass per unit volume
  5. 6. Substances that contain OH- ions
  6. 10. Type of change that occurs when mixing an acid and a base
  7. 13. The density of water
  8. 15. The amount of matter in an object or substance (the amount of particles it has)
  9. 16. The consistency or feel of bases
  10. 18. Example of a physical property
  11. 19. The resistance of flow in a liquid. How thin or thick it is.
  12. 20. A common household cleaner