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这个教具取材容易,结构简单,适于学生进行探究式学习,有利于培养学生的创新精神和创新能力。可以演示小学光学部分的小孔成像实验;可以探究小孔的大小、形状与成像的关系;还可以演示傻瓜相机的工作原理及凸透镜成像的一些特点,该作品获2009年全国一等奖。
This teaching aids easy to draw, simple structure, suitable for students to explore learning, is conducive to cultivating students’ innovative spirit and ability to innovate. You can demonstrate the pupil imaging experiment in the optical part of the elementary school; you can explore the relationship between the size and the shape of the hole and the imaging; and also demonstrate the working principle of the fool camera and some characteristics of the imaging of the convex lens.