新课标人教版课件系列高中地理必修1Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.1.1 宇宙中的地球Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.教学目标、知识与技能：（1）了解天体的主要类型和天体系统的层次，描述地 球的宇宙环境。（2）运用资料说明地球是太阳系中一 颗既普通又特殊的行星，理解地球上生命存在的原因 。（3）培养用比较分析的方法解决有关地理问题的能 力。 、过程与方法： （1）分析图片，形成宇宙物质性的观念，形成天体系统 各层次的感性认识。 （2）利用图表分析法和比较法自主探究地球在太阳系中 的普通性和特殊性。 、情感、态度与价值观：通过学习帮助学生树立正确的宇宙观。Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.、教学重点： （1）天体系统的层次及地球在宇宙中的位置 。 （2）地球的普通性和特殊性，地球上生命存 在的条件。 、教学难点：地球上生命存在的原因。 、教具准备：课本插图、课件、投影仪、讲义及补充材料 、课时安排：1课时Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.第一节 宇宙中的地球Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.宇宙：天体：时间和空间的总和，是由各种形态的 物质构成的，是在不断运动变化的。宇宙间物质的存在形式，它包括星云、 恒星、行星、卫星、慧星、流星等自然 天体和人造卫星、航天飞机、宇宙飞船 等人造天体。地球在宇宙中的位置Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.太阳（恒星） 恒星是由炽热气体组成， 自已能发可见光的球状天 体，其主要成分是氢和氮Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.蟹状星云星云由气体和尘埃物质组成的呈云雾状外表的 天体。其主要成分是氢Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.仙女座大星云Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.马头星云Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.草帽星云Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.土星（行星）行星是沿椭圆轨道上绕太阳运转的球状天体 。本身不发光，反射太阳光而发亮Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.地球与月亮卫星是绕行星运转的质量很小 的球状天体。Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.哈雷慧星慧星是在扁长轨道上绕太阳运行的一种质量较小的 天体，呈云雾状的独特外貌。Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.流星体是行星际空间数量众多的尘粒和固体小块 。流星Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.狮 子 座 流 星 雨Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.天体概念其它恒星 由炽热气体组成，自已能发可见光 的球状天体，其主要成分是氢和氮温度高，自已能发光 ，距地球非常遥远 行星 沿椭圆轨道上绕太阳运转的球状天 体本身不发光，反射太 阳光而发亮 卫星 绕行星运转的质量很小的球状天体月球是地球唯一行星星云 由气体和尘埃物质组成的呈云雾状 外表的天体。其主要成分是氢与恒星相比具有体积 大、质量大、密度小 的特点 慧星 在扁长轨道上绕太阳运行的一种质 量较小的天体，呈云雾状的外貌哈雷慧星，其公转周 期为76年 流星 体是行星际空间数量众多的尘粒和固 体小块数量众多，大小不一天体类型比较表Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.下列不属于天体的是（ ）A 人类的家园-地球 B 天空中飘动的云朵 C 轮廓模糊的星云 D 待发射的人造卫星B D小测验Evaluation only.Eva