初中生好奇心强,他们学习化学的动机往往是以满足好奇心和感兴趣为主,以学生身边的物质为课堂教学切入点,从创设教学情景、激活思维展开和改进化学实验等三方面着手进行教学,能有效激发学生的学习兴趣,从而实现高效课堂的构建。 Junior high school students curiosity, their motivation to learn chemistry is often based on curiosity and interest-based, with the material around the students as the teaching point of entry into the classroom, starting from the creation of teaching scenarios, activation of thinking to start and improve the three aspects of chemical experiments Teaching, can effectively stimulate student interest in learning, in order to achieve efficient classroom construction.