Lillys crossword puzzle

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Across
  1. 4. atoms of two or more elements combined
  2. 6. substance made up of atoms with the same identity
  3. 7. this is the process of a gas changing into a liquid
  4. 8. when you give particles energy
  5. 10. type of matter with fixed composition that cannot be separated by physical means
  6. 12. this is the temperature that a liquid turns into a solid
  7. 13. this is the process of a solid changing into a liquid
Down
  1. 1. material made up of two or more substances that can be separated by physical means
  2. 2. mixture in which two or more substances are uniformly spread out
  3. 3. mixtures in which different materials can be easily distinguished
  4. 5. this type of matter has its own volume but takes shape of its container
  5. 9. this type of matter takes shape and volume of its container
  6. 11. this type of matter has its own volume and own shape