教“地球的五帶”一課,教师首先結合学生已有的生活經驗进行談話:“早上和傍晚的太阳光与中午的太阳射在我們身上有什么不同感觉?”学生回答:中午的太阳光比早晚的强,照在身上显得热些。“这是什么原因呢?”老师就把阳光直射比斜射溫度高的道理告訴了学生。在儿童理解了阳光直射、斜射与溫度高低的关系后,老师接着用手电筒直射地球仪的赤道,并徐徐转动地 Teach the “Earth's Five Belts” lesson, the teacher first of all, combined with the students' existing life experience to talk: “The morning and evening sun and noon sun shines on us what is the difference?” Student replies: noon sun Stronger than sooner or later, according to the body seemed hot. “What is the reason?” The teacher told the students that the direct sunlight is higher than the oblique temperature. After the children understood the relationship between direct sunlight, inclination and temperature, the teacher then used the flashlight to direct the equator of the globe and turned it slowly