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沪教版八年级物理“光的反射”一节的实验探究“研究平面镜成像的特点”,具有器材简单,操作容易等特点,适合于学生操作,对培养学生学习物理的兴趣、学习科学的探究方法,发展初步的科学探究能力,逐步树立科学的世界观是很有意义的。但若作为演示实验,即学生探究性实验的再现,仅用单一的平面玻璃板,学生思想上仍存顾虑,测量和计算造成的误差也较大;同时,其直观性和可见度都比较小。本人在做此实验的演示时,结合多媒体辅助教学,作了下列适当的改进。
The experimental investigation of the “reflection of light” section of the 8th grade of Shanghai Normal University’s “Physical Characteristics of Planar Mirror Imaging” has the characteristics of simple equipment, easy operation, etc. It is suitable for student operation, and it is of interest in cultivating students’ interest in learning physics and learning science. Methods, it is of great significance to develop preliminary scientific inquiry capabilities and gradually establish a scientific world outlook. However, if it is used as a demonstration experiment, which is the reproduction of students’ exploratory experiments, only a single plane glass plate is used, the students still have concerns in their thoughts, and the errors caused by measurement and calculation are also large; at the same time, their intuitiveness and visibility are relatively small. In my presentation of this experiment, I combined the multimedia-assisted teaching and made the following appropriate improvements.