江西省南昌市湾里一中高二英语《Unit5Thepowerofnature》课件.ppt

Unit 5 ; Look at the diagram. It shows a volcano erupting. What do you know about volcanoes? Share your knowledge with others in your class. Use some of the words on the diagram in your discussion.;Have you ever thought about how powerful nature is? Have you ever considered how weak humans are compared with a volcano, hurricane or earthquake? Yet, however weak we are, we are not completely powerless. In your groups discuss ways human beings protect themselves from powerful natural forces.;earthquake;thunder/ lightning;volcano-eruption;What do you know about volcano? Do you know how a volcano erupts?;volcano-eruption;How is a volcano formed?;Near the oceans.;Can you imagine climbing into a live volcano in order to measure the temperature of the boiling rock inside? Can you imagine doing such dangerous work as part of your job? Do you think you would enjoy studying volcanoes as a job? Answer yes or no to these questions to find out if you would be suitable for this work.;;An Exciting Job; What does a volcanologist do? Is the work important?;What is the volcanologist wearing when getting close to the crater?;Skim the passage to check whether your guesses were correct. ;Part 1(Para 1-2) Part 2(Para 3-4) Part 3(Para 5) ;Why is a volcanologists job important? 2. Where is Mount Kilauea? 3. Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption? 4. What caused the writers bedroom to become as bright as day even though it was night? 5. Why did the scientists have to get close to the volcano after it began erupting? 6. Why was it difficult for the write~ to walk towards the edge of the crater? 7. What does the writer find impressive about volcanoes even after studying them for many years?;Why is a volcanologists job important? 2. Where is Mount Kilauea? 3. Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption? 4. What caused the writers