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高中物理甲种本第二册第五章“物态变化”是对初中学过的物态变化知识的扩展和加深,又与生产、科研和日常生活实际有密切的联系。该章现象多、概念多,如熔解、凝固、汽化、液化和熔解热、汽化热等。为了使学生对概念理解深刻一些,也为了培养学生的抽象思维能力,在讲述该问题时除了加强实验,增强感性知识外,还应多举生活中的实例,帮助学生理解,同时还要注意
The second chapter of the second chapter of senior high school physics, the “change of state of matter,” is the expansion and deepening of the knowledge of material changes in secondary schools, and it is closely related to the actual production, research, and daily life. The chapter has many phenomena and many concepts, such as melting, solidification, vaporization, liquefaction and fusion heat, vaporization heat, and so on. In order to enable students to understand concepts more profoundly and also to cultivate students’ abstract thinking ability, in addition to strengthening experiments and enhancing perceptual knowledge when describing this issue, we should also give examples of life to help students understand and also pay attention to it.