Unit5The power of nature.doc

Unit5 The power of natureLead-in Have you ever thought about how powerful nature is? Do you know something about powerful natural forces such as a volcano, hurricane and earthquake?Mount KilaueaVolcanoThe eruption of Mount Kilauea What do you know about volcano? Do you know how a volcano erupts?volcano-eruptionMagma chamberLavaCraterAsh cloudBoiling rock erupts from the crater; the lava flows slowly down the mountain. More about the volcano1. How is a volcano formed?The rocks under the earth become hotter and hotter and erupt from the mountain2. Where is most possible for a volcano to erupt?Near the oceans.3. What types of volcanoes do you know?An extinct volcanoAn active volcanoA dormant volcanoWho will climb into a live volcano to take the temperature of the boiling rock inside?volcanologistPre-readingQuestionnaireAre you suitable for being a volcanologist?Questions 1 Do you 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?Do you want to be a volcanologist?Are you suitable for being a An Exciting JobWhat might be talked about?Working as a volcanologist.SkimmingWhat 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.Read again and try to find out main ideas of each part.Part 1(Para 1-2) Part 2(Para 3-4) Part 3(Para 5) The writers experience of watching the volcanic eruptionThe writers job and its importance The reasons for the writers enthusiasm about his jobCareful reading Part one (Para. 1- Para. 2) 1)Why is a volcanologists job important?2) Where is Mount Kilauea?3) The writer doesnt mind the occasional danger of his job because _.4)What does the word “alive” mean ?A. Living or not dead. B. Active or lively. C. Continuing. D. Healthy.Answers:1) It can warn people when the volcano is going to erupt and save many lives.2)In Hawaii.3)danger excites him and makes him feel alive4)BPart two (Para. 3- Para. 4) 1. Why is the lava that flows on Mount Kilauea more dangerous than the actual 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.2. What made the author realize that an eruption occurred?my bed began shakinga strange soundMy bedroom became as bright as day(The light was caused by the red-hot rocks and gas that erupted from the volcano.) red hot lava was fountaining hundreds of metres into the air an absolutely fantastic sight3. 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 center1. What does the writer mean by using “lucky” in the sentence “I was lucky enough to have a much closer look at it.”? It was his first sight of an eruption. It was the first time for him to watch the crater.2. Why did the scientists have to get close to the volcano after it began erupting?To get some lava for later study.3. 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 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.ThinkingHow does the writer think of his job? Why?DiscussionDo you think it is an occupation you would enjoy? Discuss your reasons with your classmates.Summar