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地理七年级上湘教版4.2气温和降水教案.pdf

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1、初一年级地理学科教学设计第四单元第 2 节气温和降水（第 1 课时）（一）预习学案【预习目标】1、了解气温的测量方法，2、学会阅读世界年均温分布图，说出世界气温的分布规律【预习重点】世界气温的分布规律【预习任务】1、气候要素一般指 _、_两个方面。2、表示气温的符号为 _，读作_。气温的测量，所用仪器是 _。3、的差异是造成自然景观和我们生存环境差异的主要因素之一，4、读图 4-9，回答（1）年均温最高的为 _洲，年均温最低的为 _洲。（3）自己学校所在地的年均温大约是_。5、想一想，世界年平均气温的分布有什么规律？6、读图 10、11，北京与悉尼相比，1 月气温高的城市是；7月气温高的

2、城市是。7、读图 11，北半球同纬度的大陆和海洋，7 月的气温高。你能简单地说明其原因吗？【预习诊断】北半球陆地气温最低月一般为_月，最热月一般为 _月。【预习质疑】1.预习本节后存在的问题:2.预习本节后新的想法：第 1 课时第 1 页（二）课堂实施课堂实施基本流程为：预习交流精讲点拨拓展延伸系统总结集体设计个人修订【预习交流】教师反馈学生预习情况。小组内互相交流。【精讲点拨】指导学生阅读教材 P.74 图 4-9“世界年平均气温分布”，1教师说明等温线的含义：2指导学生掌握简要分析等温线图的方法3在教师的引导下，学生分小组合作探究，总结世界年平均气温的分布规律：由低纬度向高纬度气温逐

3、渐降低；同纬度范围内，海洋与陆地气温不相同；同纬度的陆地上，海拔高处气温较周围低。【拓展延伸】一般情况下，陆地上一天中的最高温值出现在14 时前后，最低温值出现在日出前后。一年中，北半球中、高纬度大陆上，最高气温出现在7月，最低气温出现在1 月。南半球与此相反。据此可判断某地在南北半球中的那个半球一年内，月平均气温的最高值与最低值的差，称为气温年较差。【系统总结】一、气温二、世界年平均气温的分布1等温线 2世界年平均气温的分布规律指导学生读图，创设条件，采用发现法教学，由学生发现问题，提出问题，展开讨论、质疑、探究。第 1 课时第 2 页（三）课堂限时作业班级：

4、姓名：成绩：1.世界上最热的大陆是：()文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y

5、7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4

6、Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL

7、4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 H

8、L4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2

9、HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2

10、 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2A 亚洲 B 大洋洲 C 南美洲

11、 D 非洲2.关于世界气温分布规律的叙述，正确的是：()A 同纬度，高山高原地区气温高于平原地区B 夏季，同纬度的陆地气温低于海洋C 7 月，世界气温最高的地区是赤道穿过的地区D 世界年平均气温从低纬度向南北两极逐渐降温3.某地 7 月均温 20，1 月均温为-3，该地的气温年较差为：()A 33 B 17C 20 D 234.一天中气温最高的时间出现在：()A 日出前后 B 正午时分C 日落前后 D 午后 2 时5、读下图回答：世界年均温分布规律为：世界气温从 _纬度向 _纬度逐渐降低；同纬度的海洋和陆地气温_（一样/不一样）；海拔_的地方气温低。第 1 课时第 3 页初一年级地理学科教学设

12、计第四单元第 2 节气温和降水（第 2 课时）（一）预习学案文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10

13、M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP1

14、0M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP

15、10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:C

16、P10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:

17、CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码

18、:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2【预习

19、目标】学会阅读“世界年平均降水分布图”，掌握世界降水的地区分布规律和主要降水类型。【预习重点】世界降水的地区分布规律。【预习任务】1、一般认为，降水形成有两个基本条件：空气中含有足够的；空气温度到水汽能够凝结出来，并形成降水。2、湿润空气受热膨胀上升，变冷凝结而形成的降水，叫。3、湿润空气水平运动时，遇到山地，沿山坡“爬升”，温度下降，水汽凝结，在迎风坡产生的降水，叫。4、当冷空气与暖空气相遇时，相对较轻的暖空气被迫“抬升”，冷却凝结而产生的降水，叫。5、读“世界年平均降水分布图”（1）看一看赤道地区降水，两极地区降水。（2）比一比亚欧大陆沿海地区降水，内

20、陆地区降水。（3）降水量少于 200 毫米的地区有。（4）查找出学校所在地年降水量大约是。【预习诊断】【预习质疑】1.预习本节后存在的问题：2.预习本节后新的想法：第 2 课时第 1 页（二）课堂实施课堂实施基本流程为：预习交流精讲点拨拓展延伸系统总结集体设计个人修订【预习交流】教师反馈学生预习情况。小组内互相交流。【精讲点拨】世界年降水量分布1、组织学生小组讨论完成教材P.78 活动中的相关问题（1）看一看赤道地区和两极地区哪里降水多?（赤道）你可先让文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8

21、P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y

22、8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7

23、Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y

24、7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4

25、Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL

26、4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 H

27、L4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2知道为什么吗?（赤道地区太阳辐射强烈，多对流雨；两极地区冷，空气下沉，降水少。）（2）比一比亚欧大陆沿海与内地的降水哪里多?（沿海）你知道为什么吗?（沿海地区，受海洋影响大，水汽多，降水多；内陆地区距海洋远，

28、空气干燥，降水少。）（3）降水量少于 200 毫米的地区在哪里?（南极洲、非洲北部、澳大利亚内陆、亚洲的西部等地区，基本上可以归纳为：两极地区和南北回归线穿过的大陆的西部及内陆地区。）（4）查找出学校所在地年降水量大约是多少?你认为当地的年降水量是否能满足生产和生活的需要?（500-1000mm）2、在教师的引导下，学生分小组合作探究，总结世界年降水量分布的一般规律及原因：赤道附近地区降水多，两极地区降水少。南北回归线附近，大陆东岸降水多，大陆西岸降水少。中纬度地区，内陆地区降水较少，沿海地区降水较多。在山地，迎风坡降水多，背风坡降水少。【拓展延伸】【系统总结】学生分析，然后再归纳总结。在指导

29、学生学习等值线图时，可采用地理学习中常用的比较法和图解法来帮助他们掌握的相关的知识和原理。第 2 课时第 2 页（三）课堂限时作业班级：姓名：成绩：.世界“雨极”乞拉朋齐的降水类型是（）A对流雨 B.地形雨 C.锋面雨 D.台风雨2.下列地区中，年降水量最多的是（）A青藏高原 B.亚马孙平原 C.南极地区 D.日本群岛文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:C

30、P10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:

31、CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码

32、:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编

33、码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档

34、编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文

35、档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2

36、文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T23.下列地区，各月降水都多的是（）A亚洲东部 B.欧洲西部 C.回归线附近 D.赤道附近4.湿润空气受热膨胀上升而成的降水类型是 ()A.对流雨 B.地形雨 C.锋面雨 D.台风雨5.我国东部大部分地区降水类型是（）A.对流雨 B.地形雨 C.锋面雨 D.台风雨6.赤道附近年降水量多在()A500-1000mm B.800-1000mm C

37、.1000-2100mm D.2100mm以上7、读世界年降水量分布图，回答下列问题：（）_附近年降水量最多，多在 _毫米以上。（2）回归线附近的大陆_侧降水多。（3）在中纬度地带，从沿海到内地，降水由 _（多/少）至_(多/少)，原因是 _.第 2 课时第 3 页初一年级地理学科教学设计第四单元第 2 节气温和降水（第 3 课时）（一）预习学案文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M

38、3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7

39、M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H

40、7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9

41、H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO

42、9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 Z

43、O9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4

44、ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2【预习目标】能运用气温和降水资料，绘制出气温变化曲线图和降水量逐月分配图，并能依据图示说出气温和降水的时间变化特点。【预习重点】气温变化曲线图和降水量逐月分配图【预习任务】1、读图 415、416（1）乌兰巴托最热月是_月，约是 _；最冷月是 _月，约是_；其年温差约是 _。乌兰巴托的年降水量约是_毫米。（2）昆明最

45、热月是 _月，约是_；最冷月是 _月，约是_；其年温差约是 _。昆明的年降水量约是 _。（3）从图及以上分析可看出，两地气候主要差别为：气温方面：乌兰巴托年均温较_(高/低)，年温差 _（大/小）；昆明_ _；降水方面：两地降水季节变化_，但乌兰巴托年降水量 _。（4）昆明“四季如春”，是指：昆明年温差_（大/小），气候温和。2、在图 4-17 坐标网格中，绘出洛杉矶的气温年变化曲线和逐月降水量图。分析其气候特点为：年均温较_（高/低），季节变化 _（明显/不明显），降水_（均匀/不均匀）,_(季节)多雨（或者是：夏季 _温_雨，冬季 _温_雨）【预习诊断】【预习质疑】第 3 课时第 1 页（

46、二）课堂实施课堂实施基本流程为：预习交流精讲点拨拓展延伸系统总结集体设计个人修订【预习交流】教师反馈学生预习情况。小组内互相交流。【精讲点拨】气候资料的表示方法1指导学生根据所给气候资料绘出“气温曲线和降水柱状图”。阅读和绘制气候直方图是地理文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码

47、:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编

48、码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档

49、编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文

50、档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2文档编码:CP10M6J2M8T2 HL4Y7Y8P10V4 ZO9H7M3D10T2

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