develop students’leaming motivation;②establishing a good teacher- student relationship and culturing learning emotion;③well-timed and proper the learning will;④group cooperation and improving learning dynamic conversion strategies includes:①rational use of formative assessment and summative evaluation;②training personality charm of teachers and strengthening classroom interaction between teachers and students;③developing a correct understanding of life of students from the chemical point and culturing their ability in the interesting experiments. the three-month study for two junior chemistry students with leaming difficulties,the conversion is better,which showed that conversion possibility is high for the poor students. Key words:junior chemistry;poor student;dynamics;transformation strategy 万方数据 目 录 摘要 。I Abstract II 1课题提出 ..1 一1 1 .1 ..2 ..2 .2 .2 一4 4 .4 .5 .5 .5 2课题研究现状及核心概念界定 6 ..6 .6 一7 ..9 万方数据 .9 一9 ,--j动力学 10 3初三化学学困生形成原因调查及分析 ..11 1l 1l ll 11 。 .1 1 12 12 .21 2l 4初三化学学困生的形成原因 .23 23 23 23 24 24 25 25 26 万方数据 28 5初三化学学困生动力学转化策略研究 .。30 30 30 ,培养学****情绪 32 ,恰当评价,增强学****意志 33 ,寓变于动,改善学****态度 34 36 36 37 38 6对初三化学学困生转化的个案研究 ..40 40 41 6'3转化结果 43 7研究结果和反思 .45 45 45 参考文献 47 附录1 49 附录2 5 1 附录3 52 万方数据 附录4 53 附录5 56 致谢 ..64 万方数据 初三化学学困生形成原因及其动力学转化策略研究 1课题提出 学生的学****过程