以前总以为自己已经教书多年,对教材已经很熟悉,见识过较多的素材,平时也尽可能选择自我感觉比较实用的教学方法,在自我封闭的小圈里看不到外面精彩世界.去年有幸到江苏省天一高级中学参加他们举办的“聚焦课堂生长课堂”研讨会,给我触动很大,至今记忆犹新,一节看似很普通的课堂可以上得如此非同寻常.这是以碳酸钠和碳酸氢钠两种盐为课题的同课异构课型.去听课之前,我又把文本熟悉了一遍,本节课属于“元素化合物性质”的学习,条理性强,看似很易上但又有难突破的课题.我自己也设想了本节课的几种可能上法:如果学生的基础不是很好而课时又很紧, I used to think that I had taught for many years, I am familiar with the teaching materials, I have seen a lot of materials, and I also try my best to choose the teaching method which is more practical. I was fortunate to see the outside world in a closed circle. I was touched by the attendance of Tianyi Senior High School in Jiangsu Province for their seminar “Focusing Classroom Growth Classroom”, and I still remember so vividly that a seemingly ordinary classroom can be so extraordinary. Is the sodium bicarbonate and sodium bicarbonate two subjects for the subject of heterogeneous course type. To go before the lecture, I again familiar with the text again, this class belongs to “elemental compound nature ” learning, strong , Seemingly easy but difficult to break the subject.I myself also envisaged several possible methods of this lesson: If the student’s foundation is not very good and the class time is very tight,