作为初中化学教师,既要知晓学科观念的重要性,又要不盲目泛化、扩大;心中既要有本学科的思想与观念。又要明白观念建立是靠个体感悟的缓慢过程。应主要从概念的区别中、层级的关系中,谨慎建构学科观念。 As a junior high school chemistry teacher, we must not only understand the importance of subject concepts, but also do not blindly generalize and expand. We must have the ideas and concepts in our minds. Also understand that the concept of establishment is based on the slow process of individual perception. Should be mainly from the concept of differences, the level of relations, the construction of disciplinary concepts carefully.