陕西省蓝田县焦岱中学人教版高中英语选修六UNIT 5 THE POWER OF NATURE （2）课件 （共26张PPT） .ppt

1、Unit 5 The power of natureearthquakefloodtsunamitornado(飓风)Typhoon/hurricanesnow slidedroughtGuessing Gamenatural disastermountainfirevolcanoHave you ever seen a volcano?Readingvolcano-eruptionBoiling rock erupts from the crater;the lava flows slowly down the mountain.Magma chamberLavaCraterAsh clou

2、d/volcanic ashNear the oceans.2.Where is most possible for a volcano to erupt?An extinct volcanoAn active volcano3.What types of volcanoes do you know?A dormant volcanoHow can we get the information about volcanos?Collect and evaluate information about volcanoes.Volcanologist=volcano+log(y)+istPart

3、1(Para 1-2)Part 2(Para 3-4)Part 3(Para 5)B：The writers job and its importance A：The writers experience of watching the volcanic eruptionC:The reasons for the writers enthusiasm about his job.Look through this passage and try to find out the main ideas of each part.Part one (Para.1-Para.2)1)Why is a

4、volcanologists job important?2)What does the word“alive”mean in para 1?A.Living or not dead.B.Active or lively.C.Continuing.D.Healthy.3)whats the writers job?It can warn people when the volcano is going to erupt and save many lives.The writers job is collecting information for a database about Mount

5、 Kilauea,which is one of the most active volcanoes in Hawaii.Part two (Para.3-Para.4)1.Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption?2.What made the author realize that an eruptionoccurred?3.Why did the scientists have to get close to the volcano after it began

6、erupting?4.Why was it difficult for the writer to walk towards the edge of the crater?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.2.What made the author realize that an eruption occurred?My bed began

7、shakingA strange soundMy bed room became as bright as dayRed hot lava was fountaining hundreds of metres into the airAn absolutely fantastic sight3.What did the scientists do after the eruption?Put on white protective suits helmets,big bootsSlowly made our way to the edge of the craterLooked down in

8、to the red,boiling centreClimbed down into the crater to collect some lava3.Why did the scientists have to get close to the volcano after it began erupting?To get some lava for later study.Part two (Para.3-Para.4)4.Why was it difficult for the writer to walk towards the edge of the crater?The writer

9、 wore special protective suits that made it difficult to walk.Part two (Para.3-Para.4)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 ofthe eruption and also by its potential to cause great damage.

10、DiscussionGroup AForI like the job.Group BAgainstI dont like the jobSummary Today,we learnt a passage written by a volcanologist.He describe his work and his first experience of seeing the eruption.He loves his work very much.Homework 1.Writing:80 words(choose one of them)1).tell your feeling of the power of nature 2)tell whether you will enjoy working as a volcanologist2.Try to find out the language points in the text.