State Changes

12345678910111213
Across
  1. 4. energy: heat
  2. 6. stiff
  3. 8. very free
  4. 10. change: change in state
  5. 11. loose
  6. 12. becomes less free
Down
  1. 1. becomes stiff
  2. 2. becomes very free in a pan
  3. 3. most popular liquid
  4. 5. becomes loose
  5. 6. solid to gas
  6. 7. ice: carbon dioxide solid
  7. 9. everything
  8. 13. becomes very free