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课堂上启发学生思维活动是我们目前改进教学提高教学质量中比较重要的一环。在化学教学中如何启发学生思维活动呢?下面谈一下我的—些不成熟的体会。一、首要的问题是教师熟悉教材要从钻研教材中掌握概念体系与概念间的联系,才能有准备地、有诸创地提出逻辑性的思维问题;为学生思维活动指出道路而达到发展学生思维力的目的。如初中化学课本第一章,讲物质是由分子构成,分子运动快慢产生物质的物理状态的变化。这个概念是与第三章中氧气、空气都可以用加大压力与降低温度方法使之变为液体的概念(不仅氧、空气、一切气体变成液体都如此)成为体系而有内在联系的。因而教师在讲述氧、空气的上述物理性质时,应该避免直接了当地说明。而是要把这两个概念联
Inspiring student thinking activities in class is a more important part of improving teaching and improving teaching quality. How to Inspire Students’ Thinking Activities in Chemistry Teaching? Let’s talk about my - some immature experience. First, the most important issue is that teachers are familiar with teaching materials From the study of teaching materials to master the concept of system and the relationship between the concepts in order to prepare, there are creative thinking logical problems; point out the path for students thinking and development of students thinking The purpose of force. Such as junior high school textbooks in the first chapter, stresses the composition of the material is composed of molecules, molecular movement produces physical changes in the physical state. This concept is intrinsically linked to the notion that oxygen and air in Chapter 3 could be replaced by a system of concepts that increase pressure and reduce the temperature of liquids (not only oxygen, air, but all gases into liquids). Teachers should therefore avoid direct explanations of the above physical properties of oxygen and air. But to these two concepts together