论文部分内容阅读
为了提高学生实验和中考应试能力,在组织学生复习化学实验这部分内容时,首先应根据初中化学教学大纲和现行教材的要求,对基础知识进行全面系统复习,对化学实验内容按照五个方面进行分类复习。下面谈谈我们的具体做法。一、常用化学仪器及使用的注意事项常用化学仪器见初中课本P.227～228。对于常用化学仪器应该让学生做到:既能根据实物或图形说出每种仪器的名称,知道使用的规则和用途,并能规范地
In order to improve student’s ability in experimenting and taking the exam, when organizing students to review this part of the chemistry experiment, first of all, according to the requirements of junior middle school chemistry teaching syllabus and current teaching materials, a comprehensive review of the basic knowledge should be carried out. The content of the chemical experiment should be conducted in five aspects. Classification review. Let’s talk about our specific approach. First, common chemical instruments and precautions used Common chemical equipment see junior high school textbooks P.227 ~ 228. Students should be allowed to use common chemical instruments: they can name each instrument according to the physical or graphic, know the rules and uses of the instrument, and can regulate