于漪老师说过:课的第一锤要敲在学生的心灵上,激发他们思维的火花,或像磁石一样把学生牢牢地吸引住。而课堂的第一锤就是“课堂的导入环节”。也就是说,对于刚接触化学学科的初中生来说,我们要迈好课堂的第一步,要组织有效的、精彩的导入环节,激发学生的学习积极性,进而为化学学科价值的实现打好坚实的基础。一、导入环节的现状及意义导入作为课堂的第一步,对高效 Teacher Yu Yi said: The first hammer of a lesson should be knocked on the students’ minds to stimulate the sparks of their thinking or to attract students firmly like a magnet. The first hammer in the classroom is “the introduction of the classroom ”. That is to say, for junior high school students who have just come into contact with chemistry, we must take the first step in the classroom, organize effective and wonderful introductions, stimulate students’ enthusiasm for learning, and lay a solid foundation for the realization of the value of chemistry. solid foundation. First, the introduction of the status and significance of the link into the classroom as a first step towards high efficiency