State of matter

1234567
Across
  1. 4. change from liquid to gas at room temperature
  2. 5. change from solid to liquid
  3. 7. change from liquid to gas because of addition of heat
Down
  1. 1. change from liquid to solid because of lack of heat
  2. 2. fixed volume fixed shape
  3. 3. fills any space takes the shape of its container
  4. 6. fixed volume, takes the shape of its container