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课堂是研究教学的最好地方,上好一节课的核心是课前的准备。①课堂的设计要能引起学生好奇、好动、好问,使他们乐于学。情景教学就是根据相关的内容设置适当的情境,引起学生的情感共鸣,从而获得最佳的教学效果,也符合新课程改革的要求。本文以高中化学Ⅰ“分散系及其分类”的第二课时中有关胶体的基本概念、特征和性质内容为例,进行情景教学设计,展示情景教学的优点。
Classroom is the best place for research and teaching. The core of a good class is preparation before class. ① Classroom design should be able to arouse students curiosity, restlessness, good question, so that they are willing to learn. Situational teaching is based on the relevant content to set the appropriate situation, arouse the emotional resonance of students, so as to obtain the best teaching effect, also meet the requirements of the new curriculum reform. This paper takes the basic conception, characteristic and nature of colloid in the second class of Chemistry and Dispersing System of Senior High School as an example to design the scenario teaching and show the advantages of scenario teaching.