水是生命之源,万物生长都离不开水.早春,冰河解冻,万物苏醒;盛夏,天气阴晴不定,转眼间暴雨倾盆;晚秋,露珠晶莹剔透,太阳升起,露珠悄悄散去;寒冬,一夜之间,小城变成了冰清玉洁的银色世界……这些生活中的自然现象无不与水有关.物质从一种状态变为另一种状态的过程叫作物态变化.物态变化分为熔化、凝固、汽化、液化、升华和凝华,它们之间的关 Water is the source of life, all things are inseparable from the growth of water .In early spring, glacial thaw, everything awakens; summer, the weather is cloudy, twinkling rainstorm; late autumn, dew crystal clear, the sun rises, dew quietly dispersed; winter, Overnight, the town turned into a pure silver world ... ... the natural phenomena in these lives are all related to water.The process of material from one state to another state is called the change of state.State change is divided into melting, Solidification, vaporization, liquefaction, sublimation and sublimation, the relationship between them