Unit5Thepowerofnaturewarmingupandreading课件3（人教版选修6）.ppt

Unit 5 The power of nature Warming up Reading;Human beings are powerful; they have invented many things, and they have been changing nature and the world. Have you ever considered how weak humans are compared with a volcano, hurricane or earthquake? Can you list some natural disasters?;natural disasters;;flood;sandstorm;tsunami;tornado (龙卷风);Heavy snowstorm hits Shandong Peninsula21 Dec 2005. ;typhoon/cyclone/hurricane;snow slide;drought;landslide;Have you ever seen a volcano?;volcano-eruption;Vesuvius volcano;Pompeii ;;公元79年维苏威火山的 爆发掩埋了一座城市！ 虽然地球史上每一次火山 爆发无不令地貌沧海桑田, 但公元79年维苏威火山的 爆发却的却令一座城市 获得了永生--庞贝无法 躲过火山的劫难, 但它被 掩埋封存在渐渐冷却、 凝固、变硬的火山灰中, 最终竟躲过了上千年岁月 的侵蚀。 ;an extinct volcano (死火山);What do you know about a volcano? Do you know how a volcano erupts?;Who studies volcanoes? Who will climb into a live volcano to take the temperature of the boiling rock inside?;Collect and evaluate information about volcanoes. ;;An Exciting Job;What does a volcanologist do? Is the work important?;The writer expressed his love for his job as a volcanologist and told us one of his unusual experiences in Mount Kilauea, Hawaii.;Part 1(Para 1-2) Part 2(Para 3-4) Part 3(Para 5) ;Part one (Para. 1- 2) ;Job: ____________ --- _____________________________ ---______________________________ ______________________________ importance: ______________________________ _______________________________________ __________________ feelings (adj.): _____________ -- __________ -- ___________;Part two (Para. 3- 4) ; my bed began shaking; put on white protective suits, helmets, big boots;7. What does the writer mean by using “lucky” in the sentence “I was lucky enough to have a much closer look at it.”? 8. Why did the scientists have to get close to the volcano after it began erupting?;9. Why was it difficult for the writer to walk towards the edge of the crater?;My first experience: I was ____ asleep when my bed b