葡萄牙有这么一句谚语:爱好即获得知识的第一步。莎士比亚也曾经说过:“学问必须合乎自己的兴趣,方才可以得益。”由此可见,兴趣对于学习的重要性。尤其对于初中生来说,兴趣的有无与高低会直接影响到学习效果的好坏。《物理新课程标准》指出:“兴趣是最重要的,只有学生产生了学习兴趣,他们才会有学习的愿望和动机。”课堂导入是新旧知识衔接的切入点, Portugal has a saying that hobbies are the first step in getting knowledge. Shakespeare once said: “The learning must be in the interest of oneself to benefit.” Thus, the importance of interest in learning. Especially for junior high school students, the level of interest will directly affect the quality of learning. Physical New Curriculum Standard states: “Interest is the most important, and only students have the interest in learning before they have the desire and motivation to learn.” "Classroom inception is the starting point for the convergence of old and new knowledge,