在高中化学课程教学中,我们经常会发现这样一些问题:有些学生上课很认真,笔记也记得很仔细,但是考试成绩一直不理想,也常听到一些学生说“怎么到了高中,化学这么难学,课堂上我明明都听懂了呀,可是考试怎么就不会呢?”经过对多年教学经验的不断总结,我明白了学生之所以觉得化学难学的原因是初高中化学教学脱节现象较为严重。许多高一新生适应不了高中的教学模式。由于课堂容量的加大,学生对高中化学知识模块不能及 We often find some problems in high school chemistry class teaching: Some students are very attentive in class and remember very carefully. However, the test scores have been unsatisfactory and students often hear that “how did you come to high school and chemistry so hard? I learned clearly in class and class, but how can I not get an exam? ”After years of teaching experience, I came to understand that the reason why students think chemistry is hard to learn is that the teaching of chemistry in junior high school is out of touch More serious. Many freshmen can not adapt to high school teaching. Due to the increase of classroom capacity, students can not access high school chemistry knowledge modules