一、教学内容教科版《科学》五年级上册第三单元第二课《地球内部运动引起的地形变化》。二、教材分析本课主要是在学生已有知识的基础上,让学生在学习活动中,直观地感受到地球内部运动会造成火山和地震以及地形地貌的变化。通过分析火山地震等现 First, the teaching content of the textbook “Science” fifth grade on the third unit of the second lesson “movement caused by the Earth’s topography changes.” Second, the textbook analysis This lesson is based on the students have the knowledge, based on the students in learning activities, intuitively feel the earth’s internal movement will cause volcanoes and earthquakes and topography changes. Through the analysis of volcanic and other earthquakes