托福听力技巧练习第六课Unit-6.ppt

TOEFL听力 托福听力技巧练习第六课Unit-6 自然科学 长演讲学科内容类（二）自然科学类 高频考试话题： Geology geography 4% Environment 4% Chemistry 4% Astronomy 2% Oceanography 2% Physics 2% Geology Geology is the science and study of the physical matter and energy that constitute the Earth. The field of geology encompasses the study of the composition, structure, properties, and history of the planets physical materials, the processes by which it is formed, moved, and changed, the history of life on Earth, and human interactions with the Earth. Earth Structure Other terms Seismology Plate structure Tectonics Earthquakes Continental drift Structure of volcanoes African plate Antarctic plate Indo-Austrian plate Eurasian plate North American plate South American plate Pacific plate Plate tectonics Plate Boundaries Volcano Structure Exercise - DT462 本篇听力材料描述的是一次火山爆发事件 词汇：peak, dormant, seismologist, avalanche, tremor, magma, crater, summit, vibration, ash, swell, bulge, frequent, trigger, landslide, tremendous, blast, chamber, explode, devastate, megaton, hydrogen, goat, elk, Geography Geography is the study of the Earth and its lands, features, inhabitants, and phenomena. A literal translation would be to describe or write about the Earth. Four historical traditions in geographical research are the spatial analysis of natural and human phenomena (geography as a study of distribution), area studies (places and regions), study of man-land relationship, and research in earth science. Nonetheless, modern geography is an all-encompassing discipline that foremost seeks to understand the Earth and all of its human and natural complexities—not merely where objects are, but how they have changed and come to be. As the bridge between the human and physical science, geography is divided into two main human geography and physical geography. Famous geographical term Equator North pole North Frigid Zone - Arctic circle North Temperate Zone - Tropic of Cancer Torrid Zone - Tropical Circles South Temperate Zone - Tropic