book6unit5市公开课一等奖省赛课微课金奖课件.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,The Power,of Nature,Unit 5,1/32,Tangshan Earthquake,2/32,Have you ever considered how weak humans are compared with a volcano,hurricane or earthquake?,Can you list some other natural disasters?,3/32,natural disasters,sandstorm,typhoon,flood,hurricane,tornado,earthquake,tsunami,landslide,snowstorm,drought,4/32,massive flooding during the 1998 summer,5/32,Tsunami,6/32,typhoon,7/32,hurricane,8/32,drought,9/32,landslide,10/32,sandstorm,11/32,Heavy snowstorm,hits Shandong Peninsula21 Dec,12/32,volcano-eruption,13/32,What do you know about volcano?,Do you know how a volcano erupts?,14/32,volcano-eruption,Boiling rock erupts from the crater;,the lava flows slowly down the mountain.,Magma chamber,Lava,Crater,Ash cloud,15/32,More about the volcano,1.How is a volcano formed?,The rocks under the earth become hotter and hotter and erupt from the mountain.,16/32,Near the oceans.,Where is most possible for a volcano,to erupt?,17/32,an extinct volcano,an active volcano,3types of volcanoes,a dormant volcano,18/32,What kind of things might a volcanologist do?,Collect and,evaluate,information about volcanoes.,19/32,Do you want to be a,volcanologist?,20/32,An Exciting Job,Working as a volcanologist.,What,might be talked about?,21/32,What does a volcanologist do?Is the work important?,First Reading,His work can help save many lives because people in the path of the lava can be warned to leave their home.,22/32,Part 1(Para 1-2),Part 2(Para 3-4),Part 3(Para 5),The writers job and its importance,The writers experience of watching the volcanic eruption,The reasons for the writers,enthusiasm about his job,Read again and try to find out main ideas of each part.,23/32,Part one (Para.1-Para.2),Why is a volcanologists job important?,2)Where is Mount Kilauea?,3)The writer doesnt mind the occasional danger of his job because,_.,It can warn people when the volcano is going to erupt and save many lives.,In Hawaii.,him and makes him feel alive,danger excites,Careful reading,24/32,Part two (Para.3-Para.4),Why is the,lava,that flows on Mount Kilauea more dangerous than the actual eruption?,What made the author realize that an,eruption,occurred?,What did the scientists do after the eruption?,The lava can cover up or burn villages in its path.The rocks from the volcano usually dont damage anything because no one lives near the crater.,25/32,my bed began,shaking,a strange sound,My bedroom became,as bright as day,an,abosolutely fantastic,sight,red hot lava was,fountaining,hundred of metres into the air,What made the author realize that an eruption occurred?,The light was caused by the red-hot rocks and gas that erupted from the volcano.,26/32,What did the scientists do after the eruption?,put on,white protective suits,helmets,big boots,dropped,as closed as possible,to the crater,slowly,make our way,to the edge of the,crater,looked down into the red boiling center,27/32,Part two (Para.3-Para.4),3.What does the writer mean by using“,lucky,”in the sentence“I was,lucky,enough to have a much closer look at it.”?,4.Why did the scientists have to get close to the volcano after it began erupting?,To get some lava for later study.,It was his first sight of an eruption.,It was the first time for him to watch the crater.,28/32,Part three (Para.5),What does the writer find,impressive,even after studying volcanoes for more than twenty years?,The author is,impressed,by the,beauty of,the eruption,and also by,its potential,to cause great,damage.,29/32,30/32,How does the writer think about his job?,Why?,Thinking,31/32,Do you think it is an occupation you would enjoy?Discuss your reasons with your classmates.,Discussion,32/32,