states of matter

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Across
  1. 1. take on the shape and volume of the container
  2. 5. this is an example of a gas
  3. 6. takes the shape of the container
  4. 8. this matter can be solid liquid or gas
  5. 9. fixed shape and fixed volume
  6. 11. loosely packed particles
  7. 12. this type of matter is invisible
  8. 13. how many states of matter are there?
Down
  1. 2. an example of a gas
  2. 3. a book is an example of this
  3. 4. an example of a liquid
  4. 7. The ___ theory of matter
  5. 10. the particles have this energy