以乙醇为主线的“化学方程式”单元复习课教学

Unit Review Teaching of“Chemical Equation”with Ethanol as Main Line

分析了九年级化学"化学方程式"的有关教研类文献,提出在单元复习阶段要基于学科思想系统整合教学内容,以乙醇为教学主线,在知识之间进行整体性联通,引导学生深度思考,提高学科知识的整合能力,帮助学生建构学科观念,呈现了可借鉴的教学设计。

This paper analyzes the teaching and research literature of chemistry"chemical equation"in the ninth grade,It is suggested that the unit review should integrate the teaching contents based on the subject ideology.Taking ethanol as the main line of teaching,this paper makes a holistic connection between knowledge,guides students to think deeply,improves their ability to integrate subject knowledge,helps students to construct their subject concepts,and presents a teaching design that can be used for reference.