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1、Unit 5 The Power of Nature Remember what happened on Dec 26, 2004?tsunami Do you know any other natural disasters ? Please work with your partners and make a list of natural disasters .Warming up (4m)earthquakefloodsdroughtthunder/ lightningtornado/cyclonehurricane /typhoonvolcano-eruptionWhat do yo
2、u know about volcano?Do you know how a volcano erupts?volcano-eruptionBoiling rock erupts from the crater; the lava flows slowly down the mountain. Magma chamberLavaCraterAsh cloud/volcanic ashMore about the volcanoMore about the volcano1. How is a volcano formed?The rocks under the earth become hot
3、ter and hotter and erupt from the mountain.Near the oceans.2.Where is most possible for a volcano to erupt?An extinct volcanoHaleakala Crater, the largest dormant volcano in the worldMaui, HawaiiAn active volcano3. What types of volcanoes do you know?dormant volcanoQuestions Questions Yes No 1 Do yo
4、u like working outside 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?What qua
5、lities are needed for a What qualities are needed for a volcanologist?Are you suitable for being aAre you suitable for being a volcanologist ?Answer “yes”or “no” to the following questions.Pre-reading (4m) What might be talked about?1.What is the writer?2.When did he first see an eruption? How did i
6、t look like?3.What was he wearing when getting close to the crater? And what was the result?Skim the text and answer the following questionsSkimming (3m)1.What is the writer?2.When did he first see an eruption? How did it look like?He is a volcanologist working for the Hawaiian Volcano Observatory.
7、He mainly collects information about Mount Kilauea.It was in the second week after he arrived in Hawaii. It was very bright although it was night. Red lava fountained hundreds of meters into the air and it was a fantastic sight.3. What was he wearing when getting close to the crater? And what was th
8、e result?He was wearing white protective suits that covered his whole body, helmets, big boots and special gloves, just like a spaceman. As a result, it made him difficult to walk.1. Why is a volcanologists job important?2. Why is the lava that flows on Mount Kilauea more dangerous than the actual e
9、ruption?3. Why did the scientists have to get close to the volcano after it began erupting?4.What does the writer find impressive about volcanoes even after studying them for 20 years?Scan the text and answer the following questionsScanning (5m)1.Why is a volcanologists job important? Volcanologists
10、 study volcanoes so that they can warn people when the volcano is going to erupt and so save many lives. 2. Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption? The lava flows down the mountain and can cover up or burn villages in its path. The rocks that erupt from t
11、he volcano usually dont damage anything because no one lives near the crater.3. Why did the scientists have to get close to the volcano after it began erupting? The scientists needed to get samples of the lava so they could study them.4. What does the writer find impressive about volcanoes even afte
12、r studying them for 20 years? The author is impressed by the beauty of the eruption and also by its potential to cause great destruction.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 volcano eruptionThe reasons for the writ
13、ers enthusiasm about his jobFind out the main idea of each part (4m) Suppose you are a reporter of the 21st Century, and you are interview the writer. Work in pairs and make up a dialogue according to your understanding of the passage.Dialogue production (5m) Having learnt a little more about the wo
14、rk of a volcanologist, do you think it is an occupation you would enjoy? Discuss your reasons with others in your class.Discussion (8m) Assignment (Homework) 1.Find out words, expressions and sentences which you think are useful, important or difficult to understand.2.Finish exercises in Learning about Language. (Ex. 1, 2)HomeworkForm a group with another pair and tell them about your dangerous experience.