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化学课堂教学都由导引课、课中教学和结尾三部分组成,忽视了任何一个环节都会影响教学质量。不少教师对导课语言的设计很下工夫,也很注重课中各种方法的运用,但往往因为教学主题工作已经完成、教学目标已经实现或下课时间已到等原因忽视了教学的结尾,从而出现前松后紧的情况。事实上,化学课的结尾也是有艺术化的重要环节,不可等闲视之。艺术化的教学结尾能起到画龙点睛的作用,可以使学生回味无穷。笔者现就二十年来有关化学课结尾的点滴体会进
Chemical classroom teaching consists of three parts: guidance, teaching and the end of the lesson. Ignoring any aspect will affect the quality of teaching. Many teachers have devoted great efforts to the design of the instructional language, and they have also paid great attention to the use of various methods in the class. However, due to the fact that the teaching topic has been completed, the teaching goal has been achieved or the class time has expired, the end of the teaching is neglected. The situation before the looseness appeared. In fact, the end of the chemistry class is also an important part of art, and it cannot be taken lightly. The end of artistic teaching can play a key role in finishing touch, which can make students memorable. The writer now has an insight into the end of chemistry lessons in the past 20 years.