高中地理课件-地理开学第一课.pptx

地理开学开学第一课Talking about geography with students2020/8/16在夜晚抬起头，在头顶的一片漆黑中，有至少1250亿个星系Looking up at night, there are at least 125 billion galaxies in the dark overhead这是银河，1250亿个星系的其中一个，在这个星系中，有约400亿颗星球This is the Milky way, one of the 125 billion galaxies in which there are about 40 billion planets地球，只是银河系中很不起眼的一颗行星，但是却孕育出了生命The earth is just a humble planet in the Milky way, but it gives birth to life这是月球，地球的唯一卫星This is the moon, the only satellite of the earth. It looks very far away, but it is a necessary condition for the existence of waves on the earth地球上71%的面积都是海洋，仅仅是太平洋的面积，就可以装的下所有陆地71% of the earth's surface is ocean, and the Pacific Ocean alone can hold all the land这是冰岛海边的景观，它的名字玄武岩，你知道它为什么是现在这个样子吗？This is basalt on the coast of Iceland. Its name is HVítserkur. Do you know why it is like this?这是位于美国的纪念碑谷，你猜他和你刚刚看到的玄武岩有什么关系吗？This is Monument Valley in the United States. Do you think it has anything to do with the HVítserkur you just saw?你知道沙漠是怎么形成的吗？除了沙漠，世界上还有很多有趣的地理现象Do you know how deserts are formed? Besides deserts, there are many interesting geographical phenomena in the world这是俄罗斯勘察加半岛，冰层下覆盖的其实是火山地形This is the Kamchatka Peninsula in Russia. Under the ice is actually a volcanic terrain. Glaciers pour into the sea and flow to the equator冰冷的海水渗透到挪威的海岸线上，形成了该国闻名的峡湾Cold water seeps into Norway's coastline, forming the country's famous fjords这是喜马拉雅山脉，冰川覆盖的山脉，和红色的河谷交织，形成了这样的景象This is the Himalayas, the glacial mountains, and the red valleys that make up the landscape这是俄罗斯勒拿河的入海口，你知道这片三角洲是如何形成的吗？This is the mouth of the Lena River in Russia. Do you know how this delta was formed?这是我国自研的高铁，它们的轨迹遍布神州，这就是地理This is China's self-developed high-speed rail, and their tracks are all over China. This is geography不管它“顺坡垄”的种植方式，还是变成葡萄干的过程，这也是地理Whether it is planted along the slope ridge, or the process of becoming raisins, it is also geography“春夏秋冬”四季有常，按照一定规律变化，你知道季节变化怎么来的吗？"Spring, summer, autumn and winter" has four seasons. It changes according to certain rules. Do you