1、Unit 5 The Power of Nature 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.snowstormWarming upearthquakefloodsdroughtthunder/lightningtornado/cyclonehurricane /typhoontsunamivolcano-eruption What do y
2、ou know about volcano?Do you know how a volcano erupts?volcano-eruptionBoiling rock erupts from the crater;the lava flows slowly down the mountain.LavaCraterAsh cloud/volcanic ashMore about the volcanoMore about the volcano1.How is a volcano formed?The rocks under the earth become hotter and hotter
3、and erupt from the mountain.Near the oceans.2.Where is most possible for a volcano to erupt?An extinct volcanoAn active volcano3.What types of volcanoes do you know?dormant volcanoPre-reading 1.Can you imagine climbing into an active volcano to take the temperature of the boiling rock inside?2.Do yo
4、u want to be a Volcanologist?To be a volcanologist,what qualities are needed?Yes No 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 i
5、nterested in studying rocks and other things that make up the surface of the earth?If you answered yes to all these questions,then volcanology could be a good career for you.An Exciting JobWorking as a volcanologist.What might be talked about?1.What is the writer?2.When did he first see an eruption?
6、How did it 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 questionsSkimming1.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 the r
8、esult?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.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
9、 eruption.The reasons for the writers enthusiasm about his job.Try to find out main ideas of each part.ScanningPart 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 _.It can warn people when the volc
10、ano is going to erupt and save many lives.In Hawaii.danger excites him and makes him feel alivePart two (Para.3-Para.4)1.Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption?2.What does the writer mean by using“lucky”in the sentence“I was lucky enough to have a much cl
11、oser look at it.”?3.Why did the scientists have to get close to the volcano after it began erupting?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
12、 no one lives near the crater.2.What does the writer mean by using“lucky”in the sentence“I was lucky enough to have a much closer look at it.”?3.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 w
13、as 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 damage.Detailed reading1.What made the author
14、realize that an eruption occurred?my bed began _a strange _My bedroom became as _ as day_was fountaining hundreds of meters into the _an absolutely _ sightshakingsoundbrightred hot lavaairfantastic2.What caused the writers bedroom become as bright as day even though it was night?The light was caused
15、 by the red-hot rocks and gas that erupted from the volcano.3.What did the scientists do after the eruption?_ as closed as possible to the _put on _,_,_slowly _ to the edge of the _looked down into the _droppedcraterwhite protective suitshelmetsbig bootsmake our waycrater boiling centerredMore quest
16、ions 1The main purpose of the writers job is _.A.to collect the information about Mount Kilauea.B.to collect and evaluate the information about Mount Kilauea Cto help other scientists to predict the trend of the lava Dto meet local people and touristsC 2When was the writer appointed as a volcanologi
17、st?_ ATen years ago.BFor more than ten years.CLess than twenty years.DTwenty years ago.D 3 Why does the lava that flows slowly down the mountain cause far more damage than the boiling rock that erupts from the volcano?_ ABecause it buries everything in its path.BBecause most people live near the top
18、 of Mount Kilauea.CBecause lava is in a higher temperature.DBecause people cant leave the house.A 4Where did the writer have his first sight of the eruption?_ AThe bedroom.BThe top of the Mount Kilauea.CThe back garden.DThe office.C Discussion Having learnt a little more about the work of a volcanol
19、ogist,Discuss your reasons with others in your class.Conclusion The writer told us the importance of the job as a volcanologist.Twenty years ago he was (1)_ as a volcanologist,collecting information for a (2)_ about Mount Kilauea.He described the process of the(3)_ to us.He said the most important thing about the job of volcanologist was to protect people from(4)_appointed database eruption volcanoes Find out words,expressions and sentences which you think are useful,important or difficult to understand.Finish exercises in Learning about Language.(Ex.1,2)See you next time!
