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在教学实践中,笔者认为关键必须恰当处理好课堂教学中的如下几种关系. 1 新与旧(联旧引新,讲新带旧) 物理学的知识系统性很强,前面没有学过或者学得不够好,要想学好后面新的知识是相当困难的.新知识是从旧知识发展来的.要充分了解旧知识的地位和作用以及与新知识的密切联系,可充分利用原有的知识来建立新的概念.在上课时我们总是想方设法联旧引新,运用类比、对比等方法使学生在旧知识的基础上更好地掌握新知识.
In the teaching practice, the author believes that the key must properly deal with the following kinds of relationships in classroom teaching. 1 New and old (joining the old to introduce new, speak of new and old) The knowledge of physics is very systematic and has not been studied before or Learning is not good enough. It is very difficult to learn new knowledge. New knowledge is developed from old knowledge. To fully understand the status and role of old knowledge and the close connection with new knowledge, you can make full use of the original Knowledge to establish new concepts. In class we always try to find new ways to use the old analogy, contrast and other methods to enable students to master new knowledge on the basis of old knowledge.