今天,伴随着新课程的实施学生已成为教与学的主角,课堂上出现了很多的师生互动、平等参与的局面,教学组织形式异彩分呈,小组合作探究的学习方式成为其中一个亮点。在这节公开课的设计中,我尝试着让学生通过合作学习达到最佳的学习效果!本节课主要的知识目标:1.了解什么是凸透镜什么是凹透镜。2.认识凸透镜的会聚作用和凹透镜的发散作用,知道凸透镜能成放大的虚像,也能成缩小的实像。能力目标:1.经历用多种方法辨别凸透镜和凹透镜的过程,培养学生的 Today, along with the implementation of the new curriculum, students have become the protagonists of teaching and learning. There have been many interactive interactions between teachers and students in classrooms. The teaching organization is characterized by different forms of presentation and group learning. In this open class design, I try to let the students through cooperative learning to achieve the best learning results! The main knowledge of this lesson objectives: 1. To understand what is a convex lens What is a concave lens. 2 know the convergence of convex lens and concave lens divergent effect, that convex lens can be enlarged virtual image, but also into a reduced real image. Capability objectives: 1. Experience with a variety of methods to identify the process of convex lens and concave lens to develop students