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物理学科是一门以实验为基础的自然科学.许多物理现象可以由物理概念和物理规律加以描述,但其本身的文字描述和表达就不免显得抽象而枯燥.初中学生的抽象思维能力尚待于提高,因此,物理知识的学习就使得学生感到吃力和难以接受.而课堂演示试验则显得直观而生动,不仅使学生感受到物理学习的乐趣,还可以有效帮助学生学习物理知识,从而提高课堂教学效率.
Physics is an experiment-based natural science.Many physical phenomena can be described by physical concepts and physical laws, but its own text description and expression can not help but appear abstract and boring. Therefore, the study of physical knowledge makes students feel strenuous and unacceptable.The classroom demonstration test is intuitive and vivid, not only allows students to feel the fun of physical learning, but also can effectively help students learn physics knowledge, thereby enhancing classroom teaching effectiveness.