【摘 要】
：
成环反应在近几年的高考中频频出现,学生对该内容陌生度高,解题时常常遇到困难.为了帮助学生系统地解决问题,基于“模型认知”设计教学流程,让学生通过生活情境、问题情境感
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成环反应在近几年的高考中频频出现,学生对该内容陌生度高,解题时常常遇到困难.为了帮助学生系统地解决问题,基于“模型认知”设计教学流程,让学生通过生活情境、问题情境感知原型,并通过对原型的对比、分析、概括,构建成环反应思维模型,进而运用模型解决问题.教学设计中,将成环反应的解题思维方法外显为相应的模型,可增强学生提炼信息的能力,培养学生的化学学科核心素养.
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