论文部分内容阅读
重庆市2006年普通高中毕业会考化学实验的操作考查试题(二)就是“肥皂的制取”。不少学校教师以种种借口免考了这个实验,有的学校只是走过场,考试过程混乱不堪,考试结果很糟糕。分析其原因,问题虽说表现在学生身上,但更多的应是在教师身上。记得在文革前的高中化学教材中有实验室制肥皂的学生实验,之后的高中化学仅在教学参考书上有过简略的常识性介绍。近40年过去了,所有在职的化学教师,无论老、中、青,对实验室制取肥皂的许多
Chongqing City in 2006 ordinary high school graduation exam chemistry operation test exam (b) is “soap system ”. Many school teachers exempt from this experiment under various excuses. Some schools only go through the exams and the examinations are confusing and the exam results are very poor. Analysis of the reasons, although the problem is manifested in the students, but more should be in the teacher body. I remember in the high school chemistry textbooks before the Cultural Revolution laboratory soap-making students experiment, after high school chemistry only in the teaching reference book has a brief general introduction. Nearly 40 years later, all serving chemical teachers, old, middle and young, make soaps for the laboratory