1、,Unit 5 The power of nature,Unit 5 The power of nature,Natures power,brainstorm,earthquake,flood,tsunami,tornado (飓风),Typhoon/hurricane,snow slide,drought,Guessing Game,Who am I?,natural disaster,mountain,fire,volcano,Have you ever seen a volcano?,Step Lead-in,volcano-eruption,Collect and evaluate i
2、nformation about volcanoes.,Volcanologist = volcano + log(y) + ist,Do you want to be avolcanologist?,An Exciting Job,Step Reading,Part 1(Para 1-2) Part 2(Para 3-4) Part 3(Para 5),B：The writers job and its importance,A：The writers experience of watching the volcanic eruption,C: The reasons for the wr
3、iters enthusiasm about his job.,Look through this passage and try to find out the main ideas of each part.,Part one (Para. 1- Para. 2),1.Why is a volcanologists job important?,It can warn people when the volcano is going to erupt and save many lives.,Careful reading,2.Where is Mount Kilauea?,Mount K
4、ilauea is in Hawaii.,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.,More about the volca
5、no,1. How is a volcano formed?,The rocks under the earth become hotter and hotter and erupt from the mountain.,Please look at the diagram below. It shows a volcano erupting.,volcano eruption,Boiling rock erupts from the crater; the lava flows slowly down the mountain.,Magma chamber,Lava,Crater,Ash c
6、loud/volcanic ash,岩浆房,2.What made the author realize that an eruption occurred?,My bed began shaking,A strange sound,My bed room became as bright as day,Red hot lava was fountaining hundreds of metres into the air,An absolutely fantastic sight,Volcano,The Kilauea volcano in Hawaii is perhaps the mos
7、t active volcano in the world; it is recorded that theres an eruption almost every four years.,2004年6月2日，夏威夷的基拉韦厄活火山(Kilauea caldera)喷出熔岩。,2008年3月18日，夏威夷基拉韦厄(Kilauea)火山喷发，火山灰从出口向外喷散。火山喷发产生的岩屑散布于方圆30公顷，一处深受游客喜爱的观景台也受到岩屑的影响。 这是海拔1277米的基拉韦厄火山主火山口自从1924年以来的首次喷发。,2008年6月17日智利南部柴滕火山爆发。火山喷发出浓重的烟尘，并伴有隆隆的地动声
8、，同时出现了两个新火山口。这座火山从5月2日开始喷发，已迫使4500名居民从柴滕火山附近的一座小村庄撤出。从布兰科(Blanco)河中溢出的水已经对这个村子造成严重破坏，由于有大量火山灰落入河中，河水变得非常粘稠。,2008年6月6日，位于印度尼西亚米纳哈萨半岛上的索普坦火山喷出滚滚浓烟。索普坦火山当天开始喷发浓烟和火山灰，高度达2到4公里。,Part three (Para. 5),What does the writer find impressive even after studying volcanoes for more than twenty years?,The author
9、is impressed by the beauty of the eruption and also by its potential to cause great damage.,Boiling rock which erupts from the volcano and crashes back to earth causes less damage. B. The lava that flows slowly down themountain causes far more damage.,1.Whats the main idea of para.3 ?,C. The eruptio
10、n is much more exciting to watch. D. There had been an eruption in the side of the mountain.,2. The writer doesnt mind the occasional danger of his job because _.,A. He travels to unusual places and meets interesting people from all over the world B. He likes the different ways of working,C. He thin
11、ks his job the most important D. He is excited about dangers and feels alive,3.As a result of the volcanologistwork, _.,other scientists predict the progress of lava from the volcano B. many people have been warned to leave their homes C. the eruption causes less damage D. the eruption may be preven
12、ted breaking out,A. Because his bed began shaking. B. Because his bedroom suddenly became as bright as day. C. Because he thought there was an earthquake in Hawaii. D. Because he wanted to collect information about the eruption.,4.Why did the volcanologists run out of the house into the back garden?
13、,5. What does the writer mean by using “lucky” in the sentence “ I was lucky enough to have a much closer look at it. ” ?,A. He left much safer on the top while the other two scientists climbed down into the crater. B. It was his first sight of an eruption. C. It was the first time for him to watch
14、the crater. D. both B and C.,6. What does the word “alive” mean in the sentence “. danger excites me and makes me feel alive”? Living or not dead. B. Active or lively. C. Continuing. D. Healthy.,7. Why did the writer put on special clothes to look at the crater? Because he wanted to take some specia
15、l photos. B. Because he was concerned about his safety. C. Because the other two scientists asked him to. D. Because he wanted to climb down into the crater.,Near the oceans.,1. Where is it most possible for a volcano to erupt?,Haleakala Crater, the largest dormant volcano in the world Maui, Hawaii,
16、An active volcano,2. What types of volcanoes do you know?,A dormant volcano,An extinct volcano,休眠火山,Summary,1.The main idea of this passage.Today, we learnt a passage written by a volcanologist. He describe his work and his first experience of seeing the eruption. He loves his work very much.,2.Lang
17、uage points: (1)Important words and phrases:appoint . evaluate . absolutely . suit .make ones way. potential. (2)Important sentences:a. I was about to go back to sleep when suddenly my bedroom became as bright as day.b. The other two climbed down into the crater to collect some lava for later study,
18、 but this being my first experience ,I stayed at the top and watched them.,Do you like the job?,知能提升演练,1.She is honest and trustworthy .I think its _ no business of hers.A . absolutely B. possibly C. unfortunately D. desperately答案：A 2. We dont want to _ him as chairman of the meeting .He is not fit
19、for the position.A. consider B. pick C. refer D. appoint答案：D,3.Shall we go there by bus ?-That _ me fine. Thank you.A. fits B. matches C. satisfies D. suits答案：D 4.Because her family was poor, she _her way through college, like washing dishes in the restaurant.A. made B. worked C. felt D. lost答案：B,5.
20、Although her ability in art has not yet developed, she has great _as an artist.A. success B. potential C. victory D. possibility答案：B 6.In this city, traditional beliefs_a modern urban lifestyle.A. go alongside B. go down with C. go byD. go in for答案：A,7.The factory is equipped _modern machinery and u
21、ses the recent techniques.A. with B. on C. by D. into答案：A 8.Upon reaching an _age, children are encouraged, but not forced, to“ leave the nest”.A. appropriate B. potential C. permanentD. automatic答案：A,9.A child has _trust in his mother.A. complete B. perfect C. absolute D. thorough答案：C 10.The meeting _,they went home.A. was over B. has over C. is over D. being over答案：D,Homework,Writing: 80 words (choose one of them) 1).tell your feeling of the power of nature 2) tell whether you will enjoy working as a volcanologist,thank you!,
