我们的学案(案例)
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1、我们的学案(案例)第四节 澳大利亚(学案)一。学习目标1、运用地图掌握澳大利亚的自然环境(位置、范围、地形、河流及主要气候类型)。2、知道澳大利亚特有的动物,并运用资料说明澳大利亚生物的独特性及其成因。二。自主学习1、澳大利亚的地理位置(1)纬度位置:澳大利亚大部分地区位于南纬1040之间,位于 半球,(纬线)横穿中部,大部分属于 (温度带)。(2)海陆位置:位于 洋与_洋之间,西北与洲为邻,南与 洲相望。澳大利亚是世界上唯一独占一块大陆的国家。(3)范围:领土包括 大陆,塔斯马尼亚岛和周围一些岛屿。2、澳大利亚的地形与河流(提示:读图8.37)(1)地形区:东部是 ,中部是 ,西部是 ,地势
2、 。中部有地下水丰富的 盆地。(2)河流:发源于大分水岭的 河是澳大利亚最长的河流,注入 。3、澳大利亚的气候(提示:读图8.38)(1)主要气候类型有:61569; 、61570;_、 61571; 、 。(2)气候分布特点:至西向东呈 分布。4、澳大利亚特有动物有很多,主要有: 、 、鸭嘴兽、鸸鹋等,其中登上澳大利亚国徽的是 、 。澳大利亚因此被三合作探究探究主题:为什么只有在澳大利亚才有如此多的古老生物呢?材料:在两亿年前的中生代时期,由于板块的运动使大陆开始分裂、漂移。其中美洲漂移最快,最慢的是澳大利亚,这是个漫长的过程。大约在6500万年前,澳大利亚大陆与其他大陆彻底地分开。由于长期
3、孤立于南半球的海洋之中,这里自然环境比较单一,生物演化十分缓慢。许多古老的生物种类保留至今,它们是这块古老大陆演变的见证。(1)大陆漂移说:阅读材料,澳大利亚大陆大约在什么时候已与其他大陆分离?(2)独特的位置:观察78页图8.34,澳大利亚这个国家独自占有澳大利亚大陆,是世界上独占一块大陆的国家。澳大利亚大陆长期地存在于南半球的海洋上,这对生物的进化会产生什么影响?(3)和澳大利亚大陆一样,长期处于孤立状态的南极大陆为什么特有生物却很少呢?四巩固提升1、关于澳大利亚的叙述错误的是( )A大洋洲面积最大,人口最多的国家B世界上唯一独自占有一个大陆的国家C全国最大的河流是墨累河D西部是南北纵列的
4、大分水岭,中部是平原,东部是广阔的低矮高原2、关于澳大利亚的叙述正确的是( )A大部分地区全年高温多雨,属于热带雨林气候B大部分地区高温干旱,属于热带草原或热带沙漠气候C西部沿海地区温暖湿润,属于亚热带湿润气候D南部塔斯马尼亚岛气候寒冷,属于极地气候3、该国动物具有独特性、古老性,主要原因是( )A该国动物演化快 B该国大陆长期孤立于南半球的海洋上C该国气候分布呈半球状特征 D该国地形复杂,草原面积大4读图完成下列要求:(1) 从图中,你可以直观地得到哪些有关澳大利亚自然方面的信息?(至少两条);有哪些人文方面的信息? 。(2)图中三城市的民居房门一般情况下应朝向 (方向)。(3)澳大利亚代表
5、性的动物有 (至少一种)等,其具有古老性的原因是。QcWA3PtGZ7R4I30kA1DkaGhn3XtKknBYCUDxqA7FHYi2CHhI92tgKQcWA3PtGshLs50cLmTWN60eo8Wgqv7XAv2OHUm32WGeaUwYDIAWGMeR4I30kA1DkaGhn3XtKknBYCUDxqA7FHYi2CHhI92tgKQcWA3PtGZ7R4I30kA1DkaGtgKQcWA3P tGZ7R4I30kA1DkaGhn3XtKknBYCUDxqA7FHYi2CHhI92tgKQcWA3PtGshLs50cLmTWN60eo8Wgqv7XAv2OHUm32WGeaUw
6、YDIAWGMeR4I30kA1DkaGhn3XtKknBYCUDxqA7FHYi2CHhI92tgKQcWA3PtGZ7R4I30kA1DkaGtgK tGZ7R4I30kA1DkaGhn3XtKknBYCUDxqA7FHYi2CHhI92tgKQcWA3PtGshLs50cLmTWN60eo8Wgqv7XAv2OHUm32WGeaUwYDIAWGMeR4I30kA1DkaGhn3XtKknBYCUDxqA7FHYi2CHhI92tgKQcWA3PtGZ7R4I30kA1DkaGtgKQcWA3PtGZ7R4I30kA1DkaGhn3XtKknBYCUDxqA7FHYi2CHhI92tgKQ
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