名詞 physical change:

1. a change from one state (solid or liquid or gas) to another without a change in chemical composition
   同義詞：phase change, phase transition, state change

1. Salt is crystallized from sea water, which is known to be a physical change.
   鹽是從海水中結晶出來的，這被視為一種物理變化。
2. The process of chemical and physical change in deposited sediment during its conversion to rock.
   成巖作用在巖石轉化過程中沉積物發(fā)生化學和物理變化的過程
3. In the case of a physical change no new substance is formed.
   就物理變化來說，沒有新的物質產生。