1、Unit 5 The power of naturetsunamiearthquake snowstormfloodtyphoonsandstormdroughthurricanecyclonetornado landslide volcanov What do you know about volcano?v Do you know how a volcano erupts?active volcanodormant volcanoextinct volcanovolcano-eruptionBoiling rock erupts from the crater;the lava flows
2、 slowly down the mountain.Magma chamberLavaCraterAsh cloudMore about the volcano1.How is a volcano formed?The rocks under the earth become hotter and hotter and erupt from the mountain.Near the oceans.2.Where is most possible for a volcano to erupt?gasliquidsolidlavawater vapour,carbon dioxide,nitro
3、gen(氮),sulphur(硫磺),etc.bits of rock and volcanic ash,etc.3.What will be produced after the eruption of volcano?Who will climb into a live volcano to take the temperature of the boiling rock inside?QuizAre you suitable for being a volcanologist?Questions Questions Yes No 1 Do you like working outside
4、 as well as inside?2 Do you enjoy travelling to unusual places?3 Do you enjoy taking risks?4 Do you dislike doing the same thing every day?5 Do you like adventure in your life?6 Are you interested in studying rocks and other things that make up the surface of the earth?An Exciting JobWorking as a vo
5、lcanologist.What might be talked about?What does a volcanologist do?Is the work important?His job is to collect the information about the volcano and predict where lava will flow and how fast so that the people in the path of the lava can be warned to leave their house.Skimming Get the main idea of
6、each paragraphPara 1Para 2Para 3Para 4Para 5The writer expresses his love for his job and why he loves it.The writer describes his job and its importance.The writer describes his first sight of a volcano eruption.The writer describes his first closer look at a volcano eruption.The writer states agai
7、n his love for his work and volcanoes.The main idea of the passagePart 1Part 2Part 3(Paras.1-2)(Paras.3-4)(Para 5)What the writers job is and the importance of his job.The writers experience of watching the volcano eruption.The reasons why the writer is enthusiastic about his job.Part one (Para.1-Pa
8、ra.2)1)Why is a volcanologists job important?2)Where is Mount Kilauea?3)What does the word“alive”mean?A.Living or not dead.B.Active or lively.C.Continuing.D.Healthy.It can warn people when the volcano is going to erupt and save many lives.In Hawaii.Part two (Para.3-Para.4)1.Why is the lava that flow
9、s 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 erupting?4.Why was it difficult for the writer to walk towards the edge of the crater?The lava can cover up or b
10、urn 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 shakingA strange soundMy bed room became as bright as dayRed hot lava was fountaining hundreds of metres into th
11、e 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 into the red,boiling centreClimbed down into the crater to collect some lava3.Why did the scientists have to get c
12、lose 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 wore special protective suits that made it difficult to walk.Part two (Para.3-Para.4)Part three (Para.5)What do
13、es 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.1 The writer doesnt mind the occasional danger of his job because _.A He travels to unusual places and meets int
14、eresting people from all over the world.B He likes the different ways of working.C He thinks his job the most important.D He is excited about dangers and feels alive.Choose the best answer:D2 As a result of the volcanologists work,_.3 A other scientists predict the progress of lava from the volcano.
15、4 B many people have been warned to leave their homes.5 C the eruption causes less damage.6 D the eruption may be prevented breaking out.A3 Why did the vocalnologist run out of the house into back garden?4 A Because his bed began shaking.5 B Because his bedroom suddenly became as bright as day.6 C B
16、ecause he thought there was an earthquake in Hawaii.7 D Because he wanted to collect information about eruption.B4 What does the writer mean by using lucky in the sentence I was lucky enough to have a much closer look at it?A He felt much safer on the top while the other two scientists climbed down
17、into the crater.B It was his first sight of an eruption.C It was the first time for him to watch the crater.D Both B and C.DCreative group discussion:Creative group discussion:1）Having learnt a little more about the work of a volcanologist,do you think it is an do you think it is an occupation you w
18、ould enjoy?occupation you would enjoy?Discuss your reasons with others in your class.2)If you could meet the writer of the passage,what kind of questions would you what kind of questions would you ask?ask?Discuss with others in your class.Homeworkv1.Writing:80 words(choose one of them)v1).tell your feeling of the power of nature v2)tell whether you will enjoy working as a volcanologist2.Try to find out the language points in the text.
