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教学内容:课题名称课题2氧气学科化学总课时1单元章节第二单元页码34～37页执教者许先杰版本人教社义务教育标准实验教科书化学年级九年级册次上册教学分析:氧气是初中化学中介绍的第一种单质,也是学生生活中比较熟悉的物质,但教材的知识体系远比学生头脑中的已有知识全面,深刻。本课题包括氧气的性质和化学反应两部分。以氧气的性质为核心,通过氧气所能发生的一些具体的化学反应,介绍了化学反应的基本概念和原理,把化学中描述纪实部分和
Teaching content: Project Title Subject 2 Oxygen Chemistry Total hours 1 unit Chapter second unit Page 34 ~ 37 coaches Xu Xianjie version of the human rights education compulsory education standard experimental textbook grade nine grade chemistry grade teaching analysis: oxygen is junior high school chemistry The first element of introduction is also a familiar material in student life, but the textbook’s knowledge system is far more comprehensive and profound than the existing knowledge in the minds of students. This topic includes the nature of oxygen and chemical reaction in two parts. The nature of oxygen as the core, through oxygen can occur some of the specific chemical reactions, introduced the basic concepts and principles of chemical reactions, chemical description of the documentary part and