学生在学习化学的活动中,存在“做而不知”的现象,甚至还有很多学生在高考时能拿到70%～80%的试卷分数,却不懂得化学。出现这种现象的原因何在?我认为关键在于学生的学习过程没有逻辑思维的参与。心理学认为:思维是一个人智力的核心,思维能力的高低直接影响着一个人各种能力的发展。为了提高学生的学习效率,在化学教学中,必须把学 There are “doing and not knowing” phenomenon in the activities of students learning chemistry. There are even many students who get 70 to 80% of the test scores in the college entrance examination but do not understand chemistry. What is the reason for this phenomenon? I think the key is that students’ learning process does not involve logical thinking. Psychology thinks that thinking is the core of a person’s intelligence, and the level of thinking ability directly affects the development of a person’s various abilities. In order to improve students’ learning efficiency, they must learn