初中化学是一门透过实验现象,总结得出结论,进行定性分析的课程,主要的教学方法就是进行实验演示。因此,实验课在化学课中具有重要的作用,探索其有效性对提高教学水平也具有积极的作用。 Junior high school chemistry is a through the experimental phenomenon, concluded that the qualitative analysis of the course, the main teaching method is to demonstrate the experiment. Therefore, the experimental class in chemistry class has an important role, to explore its effectiveness to improve the teaching level also has a positive effect.