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1、Unit 5 The power of nature,Man has so much wisdom and power that the whole world has changed a lot.,tall buildings,modern agriculture,aeroplanes,atomic bomb,spaceship,modern medicine,modern communication,What do you think of,Have you ever considered how weak humans are compared with a volcano, hurri
2、cane or earthquake?,Can you list some natural disasters?,Boiling rock erupts from the crater (火山口); the lava(熔岩) flows slowly down the mountain.,gas,liquid,solid,lava (熔岩),vapour, carbon dioxide, nitrogen (氮), sulphur (硫磺),bits of rock and volcanic ash, etc.,1. How is a volcano formed?,One plate cra
3、shes down into another. The fluid rock becomes hotter and hotter with high pressure. Finally it rushes out. Thus, a volcano is formed.,Where is it most possible for a volcano to erupt?,Joints between the plates.,Joints between the plates.,Joints between the plates. Often near the oceans.,3. What typ
4、es of volcanoes do you know?,extinct volcano (= one that is no longer active at all),dormant volcano (= one that is not active at the moment),active volcano (= one that may erupt at any time),Answer Yes or No to the questionnaire.,If you answered “yes” to all these questions, then volcanology could
5、be a good career for you. Read the passage on page 34 to find out more about being a vocanologist.,1. Whats the main idea of the article?,The writer expressed his _ for his job as a _ and told us one of his unusual _ in Mount Kilauea, Hawaii.,love,volcanologist,experiences,2. Find out main ideas for
6、 each part.,Part 1 (Para 1-2) Part 2 (Para 3-4) Part 3 (Para 5),The writers _ and its _.,job,importance,The writers _ of watching the volcanic eruption.,experience,The _ for the writers enthusiasm about his job.,reasons,Why does the writer say that he has the greatest job in the world? 2. Why is a v
7、olcanologists job important? 3. Where is Mount Kilauea?,Why does the writer say that he has the greatest job in the world?,2. Why is a volcanologists job important?,It can warn people when the volcano is going to erupt and save many lives.,3. Where is Mount Kilauea?,In Hawaii.,Job: _ - _ - _ _ impor
8、tance: _ _ _ feelings (adj.): _ - _ - _,Fill in the blanks according to this part.,volcanologist,collect information for a database,help scientists to predict where lava will flow and how fast,protect ordinary people from volcanoes,excited,/Save peoples lives by warning them to leave their homes.,ne
9、ver bored,feel alive,4. Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption? 5. What caused the writers bedroom to become as bright as day even though it was night? 6. Why did the scientists have to get close to the volcano after it began erupting? 7. Why was it diffi
10、cult for the writer to walk towards the edge of the crater?,4. Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption?,No one lives near the crater.,The lava flows down the mountain and can cover up or burn villages in its path.,The lava flows down the mountain and can c
11、over up or burn villages in its path. The rocks that erupt from the volcano dont damage anything because no one lives near the crater.,5. What caused the writers bedroom to become as bright as day even though it was night?,the red-hot rocks,gas that erupted from the volcano,The light was caused by t
12、he red-hot rocks and gas that erupted from the volcano.,6. Why did the scientists have to get close to the volcano after it began erupting?,samples of the lava,study the samples,The scientists needed to get samples of the lava so they could study them.,7. Why was it difficult for the writer to walk
13、towards the edge of the crater?,white protective suits,special glove,helmet,special boots,The author was wearing special clothing that made it difficult to walk.,What does the writer find impressive about volcanoes even after studying them for many years?,The writer finds their beauty and their pote
14、ntial to cause great damage very impressive.,I have the _ job in the world. I am never _ with it. Although it is occasionally dangerous, I dont mind because danger _ me and makes me feel _. I think my job is the most _ because I can help _ people from danger of volcanoes. I am a _ working for HVO. O
15、ur work has _ many lives but unfortunately we can not save their _.,greatest,bored,excites,alive,important,protect,vocanologist,saved,houses,I have _ a volcano eruption in Hawaii. I was _ asleep when my bed began _ and I heard a _ sound, like a _ passing nearby. Then I found my bedroom was as _ as d
16、ay, and red lava was _ hundreds of meters into the air. The next day, three of us wanted to get close to the _. We put on _ suits, _, big _,experienced,fast,shaking,strange,train,bright,fountaining,crater,protective,helmets,boots,and special _, which made us look like _. We slowly _ to the edge of t
17、he crater to collect some _ for _. After studying volcanoes for many years, I am just as _ about my job as before. Why? Because of their _ and their _ to cause great damage.,gloves,spacemen,made our way,lava,later study,enthusiastic,beauty,potential,Having learnt a little more about the work of a volcanologist, do you think it is an occupation you would enjoy? Give your reasons.,