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物理是一门以实验为基础的自然科学,物理教学当然也就离不开实验。正如《物理课程标准》所规定或建议,尤其是演示实验在教学活动中不可或缺。演示实验可以有效地培养学生观察、形象思维等方面的科学思维能力。教师把握好演示实验,不但在传授知识方面有很好的辅助作用,也在很大程度上促进学生形成优良的认知品格。尽管如此,在演示实验在课堂教学中的地位和作用还存在一些问题,如一堂课的演示实验的数量与教学效果的关系,演示实验的着重点在何处等等。
Physics is an experiment-based natural science, of course, physics teaching can not do without experiment. As prescribed or recommended by the Physical Curriculum Standards, and in particular demonstration experiments are indispensable in teaching activities. Demonstration experiment can effectively cultivate students’ ability of scientific thinking in the aspects of observation, image thinking and so on. Teachers grasp the demonstration experiment, not only in the imparting of knowledge has a good auxiliary role, but also to a large extent, promote students to form a good cognitive character. In spite of this, there are still some problems in demonstrating the status and role of experiment in classroom teaching, such as the relationship between the number of demonstration experiments in a class and the teaching effect, the focus of the demonstration experiment, and so on.