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优点:
1、新闻引出钠的一些性质,能够吸引学生兴趣
2、强调学生要做笔记,提醒学生很多方面的注意点,比较亲切
3、板书清晰明了
4、对两个反应进行了对比,有利于学生对比记忆
5、关注了钠先熔化与空气生成氧化物是否不太准确的问题
缺点:
1、可能有一点点紧张
2、钠与空气的反应这一知识点的讲解顺序是不是可以再改进一下
优点:1.强调学生记笔记,充分利用上课时间2.很从容有笑容,很亲切3.视频中有讲解,值得我的学习4.板书字很好看写的很整齐,便于学生记笔记
缺点:有点小紧张
1.老师板书,提醒学生记笔记,提高课堂效率
2.化学性质的引入好
3.实验视频的讲解好
4.板书好,关注学生课堂的形成
5.PPT某些字体过小
6.实际课堂情境模拟的较好
优点:
1.思路清晰
2.提到了配平当中的注意点与方法。
3.看了同学方程式的书写情况
缺点:
1.口头禅太多,不通顺语言较多。
2.直接给出了产物,其实有更好的方法。
优点:
1 语言富有感情
2 讲解清晰流畅
3 会提醒学生做笔记,加强学生注意力
不足:
1 口误的时候不要紧张,从容应对就行了
优点:
1.以真实化学事故案例引入,除了能很好的引出课题,还能利用案件强化学生的安全意识。
2.师生互动多,课堂活跃度高。
3.很有老教师的风格。
4.细节部分讲得很好,例如如何正确书写方程式。
缺点:
1.先讲氧化钠再讲过氧化钠为好。
优点:
1、新闻引入,切合实事
2、板书清晰,提醒学生记录重点难点
3、很好的示范了如何书写方程式
4、语速适宜,教态端庄
缺点:
1、可能有一点点紧张