Matter

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Across
  1. 3. A chemical substance that cannot be broken down into smaller pieces
  2. 4. Can't see each element's characteristics
  3. 7. O (Oxygen)
  4. 9. Can see each element's characteristics
  5. 10. Combined using physical bonds
Down
  1. 1. Combined using chemical bonds
  2. 2. H20 (water)
  3. 5. Solid, Liquid, gas
  4. 6. 2 or more atoms
  5. 8. Basic unit of matter