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探究凸透镜成像的规律是2011年版初中物理课程标准要求学生必做的20个实验之一,也是初中物理光学部分的学习重点与难点。做好该探究实验,既能帮助学生更好地了解与掌握凸透镜成像的有关知识,还能使学生在“实验—分析—归纳”的体验中培养互助共享的合作精神、实事求是的科学态度、勇于探索的科学品质,增强学生的创新精神与实践能力。一、传统实验器材的不足目前,大部分学校实验室配备的实验器材如图1
Probing the law of convex lens imaging is one of the 20 experiments that students need to do in the junior middle school physics curriculum standard in 2011. It is also the key and difficult point in the study of physics optics of junior high school. Doing this exploration experiment can not only help students better understand and master the knowledge of convex lens imaging, but also enable students to cultivate the cooperative spirit of mutual assistance and sharing and seeking a realistic scientific attitude in the experience of “experiment-analysis-induction” , The courage to explore the scientific quality, enhance students’ innovative spirit and practical ability. First, the lack of traditional experimental equipment At present, most of the laboratory equipment laboratory equipped as shown in Figure 1