讲授化学课,教师要重视以下几个方面的内容: 一、联系实际 联系实际就是要联系学生的思想实际,联系社会、生产和生活实际。联系实际进行讲授,不仅能使学生深刻理解和牢固记忆所学的知识,而且会使学生感到知识有用,感到化学有趣,有利于调动学生学习积极性和主动性。 例如,在学习“二氧化 To teach chemistry classes, teachers should pay attention to the following aspects: 1. Contacting the actual situation Contacting the actual situation is to contact the student’s ideological reality and to connect with society, production, and life. Linking to practical teaching can not only enable students to profoundly understand and firmly remember the knowledge they have learned, but also make them feel that knowledge is useful, that chemistry is interesting, and that they are conducive to mobilizing students’ enthusiasm and initiative. For example, in learning "dioxide