高中化学课程标准指出学生要养成良好的思维习惯,在解决问题或作决定时能尝试运用科学原理和科学研究方法。为此,教师要采用学生感兴趣的教学方式,激发学生的学习动力,使学生可以产生学习主动性。很多教师都选择了利用PPT进行教学,它融视频、音频、图 High school chemistry curriculum standards that students should develop good habits of mind, try to use scientific principles and scientific research methods in solving problems or making decisions. To this end, teachers should adopt the teaching methods that students are interested in, and stimulate their learning motivation so that students can have learning initiative. Many teachers have chosen to use PPT for teaching, it melts the video, audio, map