States of Matter

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Across
  1. 7. A progress two solids and a gas mix
  2. 9. Reached 100 degrees
  3. 10. Squashed
  4. 11. When one object takes the place of another
  5. 13. Occurs when the removal of heat changes a gas into a liquid
  6. 14. Occurs when the removal of heat changes a liquid into a solid
  7. 15. Molecules that are further spaced
Down
  1. 1. Occurs when heat changes a solid into a liquid
  2. 2. Heat changing a liquid into a gas
  3. 3. Combined push of gas particles bouncing off the walls of their container
  4. 4. Not able to be compressed or squashed
  5. 5. Moves rapidly on the spot
  6. 6. Molecules that are tightly packed
  7. 8. Molecules that move freely
  8. 12. Forces of attraction that hold particles together to form either a solid or liquid