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物理是一门以实验为基础的学科,学习物理离不开实验。如果物理实验设置巧妙、新颖、直观,就会很大程度激发学生学习的兴趣,便捷地引导学生探究新知,有效地提高学生观察现象和分析问题的能力,其重要性不言而喻。在初中物理教材中有很多实验,但因为学生基础不同、理解能力差异很大,还有农村学校实验室实验仪器配备不全等因素。如果我们对这些实验全盘照抄,必然会影响课堂效率,降低教学质量。如果我们能对一些实验进行改进,充分利用身边的物品,就近取材进行实验,会收到很好的效果。
Physics is an experiment-based discipline, learning physics can not be separated from the experiment. If the physical experiment setting is clever, novel and intuitive, it will greatly stimulate students ’interest in learning, and guide students to explore new knowledge conveniently and effectively, so as to effectively enhance students’ abilities of observing phenomena and analyzing problems, and its importance is self-evident. There are many experiments in the junior high school physics teaching materials, but because of the different students’ foundation, the ability of comprehension is quite different, and there are some factors such as the inadequacy of the laboratory instruments in rural schools. If we make a full copy of these experiments, it will inevitably affect the efficiency of the classroom and reduce the quality of teaching. If we can make some experiments to improve, make full use of the items around, the nearest source for experiments, will receive good results.