探究实验的枯燥,以及对未知的困惑,往往让学生在瞬间激动之后兴趣缺失,从开始的激情,到过程中的热情维持,再到结束后的延续如何保证呢?PK,就是一种很好的教学方式,合理正确地运用到探究实验中就会起到良好的效果.在枯燥与有趣之间,我们都会选择有趣,这是人性的使然.有趣,会让我们劳累的事情也甘之如饴;枯燥,会让我们简单的事情也心力交瘁.我们如此,更不要说现今的中学生了,在众多繁重的学习中,中考的压力、考试的压力,都快让学生大口喘息 Exploring the boring experiment, as well as unknown confusion, often let students lack interest in moments after excitement, passion from the beginning to the process of maintaining enthusiasm, then to the end of the continuation of how to ensure it? PK, is a good Of teaching methods, reasonable and correct use of research will be able to play a good effect in between boring and interesting, we will choose interesting, it is the human nature of the entertaining, will make us tired of things also Ganruruo; boring , Let us simple things also hardworking. We are the case, let alone nowadays secondary school students, in many heavy learning, the stress of the exam, the pressure of the exam, almost let students gasped