Amanzi aba kanjani yiqhwa?
Ukugqwala kwenzeka lapho ama-molecule oketshezi eba abandayo kangangokuba ahamba kancane ngokwanele ukuba anamathele komunye nomunye, akha ikristalu eliqinile. Ukuze kutholakale amanzi ahlanzekile, lokhu kwenzeka lapho izinga lokushisa lingama-degree Celsius angu-32.