随着新课程标准的实施,培养学生的创造性思维和创新能力,已经成为高中化学教学的使命.“良好的开端等于成功的一半”.一堂课的开始,要能引起学生的兴趣,才能取得理想的教学成果.这就要求教师要在导课上下足工夫,不仅要以合理、恰当的方法进行课程的导入,还要在讲授过程中牢牢抓住学生的注意力,激发他们的学习兴趣,以达到事半功倍的效果. With the implementation of the new curriculum standards, cultivating students ’creative thinking and innovative ability has become the mission of high school chemistry teaching. “A good start is equal to half of the success.” The beginning of a class, to be able to arouse students’ interest, ability To achieve the desired teaching results.This requires that teachers should make efforts in guiding lessons, not only in a reasonable and appropriate way for the introduction of the curriculum, but also in the teaching process firmly grasp the attention of students to stimulate their learning Interest in order to achieve a multiplier effect.