人教版高中地理第一章第三节“地球的运动”的内容具有很强的空间性,不少学生学起来感到很困难,其中,“昼夜长短变化”知识可以说是难点内容。作为教师,必须认真钻研教材,找出学生存在问题的症结所在,设计出最科学合理的教学方法,即运用直观教学手段进行演示教学,引导学生积极思维,化抽象为具体,化复杂为简单,最后解决问题。 People PEP High School geography Chapter III, Section III “Earth’s Movement ” content has a strong spatial nature, many students feel very difficult to learn, in which “day and night change ” knowledge can be difficult content. As a teacher, we must conscientiously study teaching materials to find out the crux of the problem of student existence, design the most scientific and rational teaching methods, that is, using intuitive teaching methods to demonstrate teaching, to guide students to positive thinking, abstract as concrete, complex as simple, Finally solve the problem.