particle theory

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Across
  1. 3. it is a firm object
  2. 5. you can't see it with the human eye
  3. 8. the change from liquid to gas
  4. 9. The form a substance takes
  5. 10. the physical change
Down
  1. 1. it is free to move in any direction
  2. 2. the material or stuff
  3. 4. forms to the object it is in
  4. 6. there are particles all around us
  5. 7. the change from liquid to solid