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课件网) B8U 1 Our living planet Extended reading pavement crack mantle as yet close up geology n. 人行道；石板铺的地面；路面 vt. & vi. 砸开，砸碎；破裂，裂 开；猛击；（使）发出爆裂声 n. 裂缝；缝隙，窄缝；爆裂声 n. 地幔；覆盖层 直到现在 （使）变狭窄；（使）靠拢，靠紧；（尤指临时）关门停业 n. 地质；地质学 mine thrive enlightening crust innermost fig n. 矿井，矿 vi. 茁壮成长，蓬勃发展 adj. 让人受启发的 n. 地壳；面包皮 adj. 最靠近中心的，最深处的； 内心深处的 n. 无花果 Before reading Watch and say What's the video about It is about a journey to the center of the Earth. It is adapted from a classic science fiction novel written by Jules Verne, published in 1864. The story involves a German professor who believes there are volcanic tubes going towards the centre of the Earth. He, his nephew and their guide go down into an Icelandic volcano, encountering many adventures, including prehistoric creatures and natural hazards. Two months after they enter the underground world, they are carried upwards by a volcanic eruption to the surface of an island, off the coast of Italy. Most of his ideas in the novel about what the inside of the Earth contains have since been disproved, but it still manages to enchant the reader. What do you know about the inside of the Earth What is the inside of the Earth made up of And What are the features of each part The Earth is composed of three layers: the crust, mantle and core. Crust(地壳) Mantle(地幔) Inner core (内核） Outer core (外核) Core (地核) a thin layer of rock on the Earth's surface hot, slow-moving rock below the crust and surrounding the core extremely hot, liquid iron mixed with other components, covering a solid centre, which is the innermost part of the Earth Now let's read the article and comic strip from a science magazine about the inside of the Earth to learn more details. While reading Look through the article quickly and complete the following table about its outline. Read for structure Inside the Earth Para. 1: Introduction to the topic of studying the inside of the Earth Para. 2: The _____ of studying the inside of the Earth Para. 3: The other _____ of studying the inside of the Earth Para. 4: The _____ of studying the inside of the Earth challenges benefits importance/significance Read Paras. 1&2 and answer the following question. Read for details 1. How do scientists know so much about the Earth's make-up 2. What challenges may scientists face when exploring the inside of the Earth Possible answer: Scientists know so much about the Earth's make-up by analysing earthquake waves and drilling very deep holes. 1. How do scientists know so much about the Earth's make-up 2. What challenges may scientists face when exploring the inside of the Earth Read Para. 3 and fill in the table below. exciting possibilities for life above ground help solve the storage problem of hydrogen cast light on the origin of life relying on energy from certain rocks Poss ... ...
