一、用“引言”激发“学困生”学习化学的兴趣俗话说:“良好的开端是成功的一半。”对初三学生来说,化学是一门新学科,他们都具有好奇心和求知欲,如果处理不好,就会使“学困生”失去学习化学的兴趣。为此,教师在上课 First, use “Introduction ” to stimulate “learning hardship students ” interest in learning chemistry as the saying goes: “Good start is half of the success ” For the first three days of students, chemistry is a new discipline, they Have curiosity and curiosity, if not handled properly, it will make “Students with learning difficulties ” lost interest in learning chemistry. To this end, teachers in class