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《凸透镜成像的规律》是2012年人教版八年级上册第五章《透镜及其应用》的第三节内容。是本章的核心内容,同时也是八年级上册及中考的重点和难点。课程标准对本节的要求是:“探究并知道凸透镜成像的规律”。也就是说,既有过程性要求,又有终结性要求。即学生要通过自己的实验探究活动学习这个规律,同时也要知道这个规律的结论,并了解这个规律在实际生活中的应用,能解决有关问题。这导致本节课教学难度大,教学难点集中,经常这节课就成为了八年
The “Law of Convex Lens Imaging” is the third section of Chapter Five “Lenses and Applications” of the eighth grade of PEP in 2012. This chapter is the core content, but also the eighth grade and the examination of the focus and difficulty. The requirements of this section of the course standard are: “Explore and Know the Law of Convex Lens Imaging.” In other words, both the process requirements, but also the terminal requirements. That is to say, students should study this law through their own experimental inquiry activities, and at the same time they should also know the conclusion of this law and understand the application of this law in real life and solve the relevant problems. This led to the teaching of this lesson is difficult, teaching difficult to concentrate, often this lesson has become eight years