七年级地理下册-美洲课件-湘教版教学内容.ppt

,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,美洲,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,合作探究,1.南北美洲的地理位置有何特点,？,2.穿过白令海峡的“三线”是指哪些线？,北美洲,：,地跨寒、温、热三带，以北温带为主；,东临大西洋，西临太平洋，北临北冰洋。,南美洲,：,大部分位于热带，南部位于南温带；,东临大西洋，西临太平洋，北临加勒比海。,亚洲与北美洲的分界线、俄罗斯与美国的分界线、,国际日期变更线,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,合作探究,4.南北美洲的自然环境的突出特点是什么,？,提示：,地形：主要地形区的分布、地形特点等,气候,：主要气候类型名称及其分布特点等,河流：主要河流的流向、流速、水量等,3.拉丁美洲和南美洲有何区别？为什么叫做拉丁美洲,？,密西西比河,亚马孙河,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,合作探究,5.南、北美洲的地形对其气候有何影响,？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,40N,北极圈,美 国,加拿大,格陵兰岛,北 冰 洋,大,西,洋,太,平,洋,30N,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,太,平,洋,大,西,洋,赤道,南回归线,加勒比海,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,拉丁美洲的范围,组成,思考,1.,为什么将该区域称为拉丁美洲,？,2.拉丁美洲和南美洲有何区别,？,墨西哥,中美地峡,西印度群岛,南美洲,美、墨分界线,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,西部,东部,中部,练一练,北美洲地形剖面图(沿40N纬线）,地形分为三部分：,北美洲的地形特点,冰川作用,显著,西部高山,中部平原,东部低缓的高原,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,西部分布着,高大的山系,东部平原、,高原相间分布,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,1、南美洲主要有哪些气候类型？以哪些气候类型为主？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,1、南美洲主要有哪些气候类型？以哪些气候类型为主？,2、气候特征是什么？湿热气候的成因是什么？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,西印度群岛,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,西印度群岛风光,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,地形对气候和天气的影响：,40N,北极圈,北 冰 洋,太 平 洋,大 西 洋,地形对北美天气的影响（冬季）,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,找出图中各字母代表的地理事物名称。,练习,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,