水为什么是火的克星? 水能够灭火,是因为具有两种特性: 一是水碰到炙热 (zhì rè)的物体就会变成水蒸气,带走物体上的热能,降低温度; 二是水遇到热后,产生的水蒸气会占据相当大的空间,包围在燃烧的物体外,隔绝火和空气的接触。一旦没有空气中的氧帮助燃烧,火就会熄灭。 懂了吗? Translate to aid those who do not know Chinese Why is water a nemesis to fire? For fire to start, we have to know that fire requires a certain temperature for oxidation to occur, resulting in proper fire with flames and all. Water aids in putting out the…
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科学为什么? Do You Know Science?
