教材分析本课教材以“帆船航模大赛”这一学生熟悉的情景,通过学生简明的对话,引出该课的任务,驱动学生产生探究风的方向和强弱的欲望,引出本课的学习。通过刮风的现象、观测风和风是怎样形成的三个活动,让学生经历“实验观察——记录现象——分析结果——发现规律(得出结论)” Textbook Analysis This course is based on the familiar scenario of “Sailing Ship Model Contest”. Through the students' brief conversations, the lesson leads to the task of driving students to explore the direction of the wind and the strength and weakness, and leads to the study of this lesson. Through the phenomenon of wind, observe the wind and the wind is how the formation of three activities, so that students experience "experimental observation - the phenomenon of the record - the results of the analysis - found that the law (concluded)