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[中国教师网-北京教育学院教学评价rdquo;网络培训课程[中国教师网-北京教育学院教学评价rdquo;网络培训课程[中国教师网-北京教育学院教学评价rdquo;网络培训课程
徐宏江
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课堂教学中测试学生前概念
什么形状最稳固?
金鱼
光是怎样传播的?
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1-什么形状的模型稳固?
2-不稳固的模型怎样加固?
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怎样加固模型?
拧紧
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用塑料条加固
(一)
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用塑料条加固
(二)
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没有区分不同的鱼鳍
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少了胸鳍
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少了腹鳍
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注意力不集中的话,观察力本来很好的人也可能出错。
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有些同学会增加上想象的部分,这是不科学的
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设置教学情景
画图观察金鱼
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在此基础上,进入教学的第三部分:设计实验,寻求实证。这个过程包括五步,从学生思维活动来看,它还分为四个层次。在这个环节,教师要特别关注学生的观察、分析解释,同时还鼓励学生之间或师生之间的互动,尤其是相互质疑。
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