changing state

12345678910
Across
  1. 3. room temp
  2. 4. rapid freezing
  3. 6. hot you can walk though it
  4. 8. gas hits cold surface turns into liquid
  5. 9. solid gas
  6. 10. fast solid slow liquid
Down
  1. 1. solid heat
  2. 2. water heat
  3. 5. liquid solid
  4. 7. cold block