运用地球仪在教室中作四季成因的简易演示,比用说明四季成因的挂图更形象、更有立体感,也比用“三球仪”清楚,更醒目,有较好的教学效果。现把四季成因演示的梗概介绍如下: 地球仪放在教室的讲桌上。“地球仪的地轴倾斜着,为什么做成这个样呢?”——学生注视着地球仪,思考老师提出的问题。“地球在宇宙中就是这种状态,地 The use of the globe in the classroom as a four-season cause of the simple demonstration, than the use of charts to explain the causes of the seasons more three-dimensional, more three-dimensional, than with the “three-ball” clear, more eye-catching, better teaching results. Synopsis of the causes of the Four Seasons is now introduced as follows: The globe on the classroom on the desk. “Why is the Earth's axis tilted, why?” - The students stared at the globe and pondered the teacher's questions. "This is the state of the earth in the universe