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大家都知道课前的准备工作是非常重要的,备课工作作的好,教学效果也必然会好一些。怎样备好课呢?经过几年的摸索,我认为至少要作到以下三点:(1)必须充分熟悉与掌握教学大纲精神、教材体系和重点。如果不很好地学习化学课教学大纲,就不能掌握化学课教材的科学内容与思想内容;也不能掌握教材的深度广度和教材的系统性和重点。依据大纲要求和教材我对初中化学课本作了如下的分析:在第一章的教材中首先提出了分子的概念;在第二章教材中进而提出了原子的概念,同时引出原子-分
We all know that preparatory work before class is very important. Preparatory work is good and teaching effectiveness is bound to be better. After several years of exploration, I think at least to make the following three points: (1) must be fully familiar with and grasp the spirit of the syllabus, textbook system and focus. If you do not learn chemistry teaching syllabus, you can not grasp the chemistry content of the textbook of the scientific content and ideological content; also can not grasp the depth of the textbook and textbook system and focus. Based on the outline requirements and textbooks, I make the following analysis of junior high school chemistry textbooks: In the first chapter of the textbook first proposed the concept of molecule; in the second chapter textbook then put forward the concept of atom, at the same time leads to atomic -