如何挖掘高中化学教材开篇章节内容的引领作用——“粗盐提纯实验”的问题解决式探究教学设计

How to tap the high school chemistry textbook chapters begins with the lead role——"Coarse purification experiments" to explore the teaching of problem-solving style design

任何一部教材的编排都是由浅入深、逐渐推进构成体系,而教材体系的开篇内容的设计,应体现两个方面意图:一是为后续教材奠定基础,对后续教材起到衔接作用;二是为整部教材的设计提供教学模式,起到引领作用。

Any of the compilation of teaching materials are from the shallower to the deeper,advance gradually form system,and the design of teaching material system,should embody two intention,one is to lay the foundation for follow-up teaching materials,play a bridging role to the teaching materials;the second is to provide teaching mode for the whole textbook design,play leading role.