matter and change vocabulary

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Across
  1. 4. A mixture that is uniform throughout and can be separated by physical means.
  2. 5. Physical __________ are observed without changing the chemical composition of a substance.
  3. 8. Anything that has mass and occupies space.
  4. 10. No defined shape but fixed volume.
  5. 11. A mixture that is not uniform throughout and can be separated by physical means
  6. 12. A change that occurs when a substance’s chemical composition is changed.
Down
  1. 1. The law of _________ of matter states that matter cannot be created or destroyed.
  2. 2. Shape and volume are not defined.
  3. 3. A pure substance consisting of more than one element, chemically bonded.
  4. 6. A pure substance consisting of one type of atom.
  5. 7. Defined shape, defined volume.
  6. 9. A type of change that means that a substance is altered without changing its chemical composition.