高二新课程选修六第五单元warming up and reading 课件.ppt

The Power of Nature,Unit 5,In February, 2008, what happened to China?,Do you know any other natural disasters ? Please work with your partners and make a list of natural disasters .,snowstorm,earthquake,flood,drought,thunder/ lightning,tornado/cyclone,hurricane /typhoon,tsunami,volcano-eruption,What do you know about volcano? Do you know how a volcano erupts?,volcano-eruption,Boiling rock erupts from the crater; the lava flows slowly down the mountain.,Magma chamber,Lava,Crater,Ash cloud,More about the volcano,1. How is a volcano formed?,The rocks under the earth become hotter and hotter and erupt from the mountain.,Near the oceans.,Where is most possible for a volcano to erupt?,An extinct volcano,An active volcano,3. What types of volcanoes do you know?,A dormant volcano,Who will climb into a live volcano to take the temperature of the boiling rock inside?,What kind of things might a volcanologist do?,Collect and evaluate information about volcanoes.,Do you want to be a volcanologist?,An Exciting Job,Working as a volcanologist.,What might be talked about?,What does a volcanologist do? Is the work important?,First Reading,His work can help save many lives because people in the path of the lava can be warned to leave their home.,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 volcanic eruption,The reasons for the writers enthusiasm about his job,Read again and try to find out main ideas of each part.,Part one (Para. 1- Para. 2),Why is a volcanologists job important? 2) Where is Mount Kilauea? 3) The writer doesnt mind the occasional danger of his job because _.,It can warn people when the volcano is going to erupt and save many lives.,In Hawaii.,him and makes him feel alive,danger excites,Careful reading,Part two (Para. 3- Para. 4),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.,my bed began shaking,a strange sound,My bedroom became as bright as day,an abosolutely fantastic sight,red hot lava was fountaining hundred of metres into the air,2.What made the author realize that an eruption occurred ?,3.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 center,Part two (Para. 3- Para. 4),3. What does the writer mean by using “lucky” in the sentence “I was lucky enough to have a much closer look at it.”? 4. Why did the scientists have to get close to the volcano after it began erupting?,To get some lava for later study.,It was his first sight of an eruption. It was the first time for him to watch the crater.,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 damag