2004年11月,我校谢雪甜老师代表广西参加了中南六省中学化学研究性学习课堂课例展示评比,取得了第二名的好成绩,其参赛的课题为《过氧化钠漂白性的探究》,采用的是问题探讨教学模式,本文仅从如何进行课题选择及教学设计如何充分体现学生主体性两方面进行简评。一、课题选择的艺 In November 2004, teacher Xie Xuetian of our school represented Guangxi to participate in the classroom demonstration of secondary school chemistry research study in the six provinces of South Central South, and achieved good results in the second place. The subject of the competition was “Sodium Peroxide Bleaching ”Exploration" uses the problem-discussing teaching model. This article will only give a brief comment on how to choose the topic and how to fully reflect the subjectivity of the teaching design. First, the subject of choice of art