Matter

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Across
  1. 3. surroundings or conditions in which a person, animal, or plant lives or operates.
  2. 5. flows freely but is of constant volume
  3. 8. a solid deposit of a substance which has sublimed
  4. 9. automatic response
  5. 11. how much "things" are stored in a unit volume of space
Down
  1. 1. a reaction in which two molecules combine to form a larger molecule, producing a small molecule
  2. 2. firm and stable in shape
  3. 4. turning from liquid into vapor
  4. 6. easily to on fire
  5. 7. an air like fluid
  6. 10. degree of hotness or coldness of a body or environment