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一、元问题的设计过程rn(一)确定元问题rn本节课的主要内容属于课程标准一级主题“身边的化学物质”第二部分“水与常见的溶液”中的内容.本课时在定性认识溶液的基础上,强调了定量表示溶液组成的重要性,帮助学生建立从定性到定量、定性与定量有机结合地认识自然界中混合体系的方法.
基于元问题引发深度学习的初中化学教学设计r——以“溶液的浓度”为例
【摘 要】
：
一、元问题的设计过程rn(一)确定元问题rn本节课的主要内容属于课程标准一级主题“身边的化学物质”第二部分“水与常见的溶液”中的内容.本课时在定性认识溶液的基础上,强调
【机 构】
：
天津市滨海新区塘沽教育中心天津市滨海新区塘沽渤海石油第二中学;
【出 处】
：
基础教育论坛
【发表日期】
：
2020年23期
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