state of matter造句

1、It is a rule that the state of matter changes when the temperature changes.
这是一个规律，物质的形态随温度的变化而变化。

2、Changes of state of matter are due to increased motion of molecules.
物质状态的变化是由于分子运动增大的缘故。

3、Air is the gaseous state of matter whose characteristic is mobility.
空气是气态物质其特点是流动性。