高二英語必修五《Unit 1 Great scientists》教案 高二英語必修五unit1教案

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1、高二英語必修五《Unit 1 Great scientists》教案 高二英語必修五unit1教案 【導(dǎo)語】增加內(nèi)驅(qū)力,從思想上重視高二,從心理上強(qiáng)化高二,使戰(zhàn)勝高考的這個(gè)關(guān)鍵環(huán)節(jié)過硬起來,是“志存高遠(yuǎn)”這四個(gè)字在高二年級(jí)的全部解釋。大高二頻道為正在拼搏的你整理了《高二英語必修五《Unit 1 Great scientists》教案》希望你喜歡! 教案 【一】 教學(xué)準(zhǔn)備 教學(xué)目的 1.Students learn some new words and e_pressions to describe people ,especially famous persons; 2.

2、Students are encouraged to give more information about famous persons who they are familiar: 3.Students can realize that it is scientific spirit that makes those scientists successful.  教學(xué)重難點(diǎn) 1.Words and e_pressions in this unit 2.Previous knowledge of some of the famous scientists 3.prehending

3、the te_t 教學(xué)過程 【導(dǎo)入】Words learning (Students are assigned to learn the new words of this unit and find out the English e_plainations of the new words ) Definitions or e_planations A.e_amine 1.general principles of an art or science B.repeat 2.say or do again C.theory 3.at once; without delay D

4、.immediate 4.look at...carefully in order to learn about or from...  E.plete 5.of great value, worth or use F.valuable 6.having all its parts; whole; finished G.announce 7.make known H.control 8.e or bring to an end I.positive 9.power to order or direct J.conclude 10.quite certain or sure 【講授】

5、useful sentences learning (The sentences are picked from the te_t.) 1.“All roads lead to Rome, ”he encouraged me after I failed the entrance e_amination.  2.This sentence doesn’t make any sense.  3.Our English teacher is not only strict with us but also friendly to us.  4.He is good-looking, apart

6、 from his nose.  5.It is announced that the spacecraft, Shenzhou Ⅵ, landed on the earth successfully.  6.It is not Tom but you who are to blame.  7.In 1995, the Chinese government put forward a plan for“rejuvenating the nation by relying on science and education”.And it has helped Chinese scientists

7、 make many breakthroughs.  8.Have you drawn any conclusion after you read this passage? 9.Well done.So much for the learning of the new words and e_pressions.   【講授】Introduction of a classic article Teacher introduce a famous person --Qian _uesen and students learn to write an article about the f

8、amous scientis using the words and e_pressions they just learn in class.   【活動(dòng)】Share the oute Students share their article orally and discuss whether they have used some good and advanced e_pressions.   【練習(xí)】Consolidation 完成句子 (1)愛因斯坦被認(rèn)為是二十世紀(jì)最偉大的科學(xué)家之一。 Einstein ___________________ one of the g

9、reatest scientists in the20th century.  (2)他對(duì)實(shí)驗(yàn)結(jié)果感到滿意, 他把成績歸功于大家。 He ________________________ of the e_periment and _____ 句型轉(zhuǎn)換 (1)把句 ①改為非限制性定語從句。 Qian _uesen was born into a wealthy family on December 11, 1911, Zhejiang Province, __________________________ __________________________________

10、__________.  (2)把句 ②改為含狀語從句的復(fù)合句。 ___________________________________________________ _______, he went to America for his further study and gained his doctor’s degree in the Science of Astronom 單詞?分類記憶 短語?雙語互譯 語境取詞——選用上面的單詞或短語填空 句型?超級(jí)仿寫 教案 【二】 教學(xué)準(zhǔn)備 教學(xué)目的 1.Target language 目的語言 attend,

11、control, severe, pub, immediately, handle, instructor, pump, contribute, conclude, steam engine, virus, put forward, make a conclusion, e_pose to To prevent this from happening again, John Snow suggested that ...P3 2.Ability goals 才能目的 Enable the students to talk about science and scientists.  

12、3.Learning ability goals學(xué)能目的 Enable the students to learn about some famous scientists and their contributions and how to organize a scientific research.  教學(xué)重難點(diǎn) Talk about science and scientists.  教學(xué)工具 A puter and a projector.  教學(xué)過程 StepⅠ Lead-in Ask the students to think of some great inventio

13、ns and inventors in history.  T: Wele back to school, everyone.I guess most of you have enjoyed your holiday.Maybe I should say everyone has enjoyed a scientific life.Why? Because you have enjoyed the results of the science and scientists.Now can you tell me the scientists who invented the lights, t

14、he gramophone and the puter? S1: Edison invented the lights and the gramophone.  S2: The first puter was invented by a group of American scientists.  StepⅡ Warming up First, ask some questions about great scientists.Second, ask all the students to try the quiz and find out who knows the most.  T:

15、You know our life is closely related to science and scientists.We benefit a lot from them.Can you name out as many scientists as possible? S1: Newton.  S2: Watt.  S3: Franklin.  Sle answers: 1.Archimedes, Ancient Greek (287-212 BC), a mathematician.  2.Charles Darwin, Britain (1808-1882).The name

16、of the book is Origin of Species.  3.Thomas Newen, British (1663-1729), an inventor of steam engine.  4.Gregor Mendel, Czech, a botanist and geicist.  5.Marie Curie, Polish and French, a chemist and physicist.  6.Thomas Edison, American, an inventor.  7.Leonardo da Vinci, Italian, an artist.  8.Sir

17、Humphry Davy, British, an inventor and chemist.  9.Zhang Heng, ancient China, an inventor.  10.Stepper Hawking, British, a physicist.  Step Ⅲ Pre-reading Get the students to discuss the questions on page 1 with their partners.Then ask the students to report their work.Encourage the students to e_pr

18、ess their different opinions.  T: Now, class, please look at the slide.Discuss these questions with your partners.Then I’ll ask some students to report their work.  Show the following on the screen.  What do you know about infectious diseases? What do you know about cholera? Do you know how to pro

19、ve a new idea in scientific research? What order would you put the seven in? Just guess.  Sle answer 1: S1: Let me try.Infectious diseases can be spread easily.They have an unknown cause and may do great harm to people.  S2: People could be e_posed to infectious diseases, so may animals, such as b

20、ird flu.  S3: AIDS, SARS are infectious diseases.  S4: Infectious diseases are difficult to cure.  Sle answer 2: S1: Cholera is caused by a bacterium called Varian cholera.  S2: It infects people’s intestines, causing diarrhea, vomiting and leg crs.  S3: The most mon cause of cholera is people eat

21、food or drink water that has been contaminated by the bacteria.  S4: Cholera can be mild or even without symptoms, but a severe case can lead to death without immediate treatment.  Sle answer 3: S1: I know sth.about it.First we should find the problem.Then, think of a solution.  S2: We should colle

22、ct as much information as possible.  S3: Analyzing results is the most important stage.  S4: Before we make a conclusion, it is necessary for us to repeat some stages or processes.  Sle answer 4: S1: I think “Find a problem” should be the first stage.  S2: “Make up a question” should follow the fir

23、st stage.  S3: “Think of a method”, “Collect results” and “Analyze results” are after that.  S4: Of course, before “Make a conclusion”, we should “Repeat if necessary”.  T: Well done! When we want to solve some problems, first we should find out the problem, do some research on it, prove your findin

24、gs, and then make a conclusion.This is a scientific and objective way of researching.Now let’s see how doctor John Snow did his research.  Step Ⅳ Reading Let the students skim the whole passage and try to work out the meanings of the new words and structures using conte_t.  T: The effect of cholera

25、 in the nieenth century London was devastating.Many people died without knowing the reason.It was doctor John Snow who saved the people.Please look at the screen.Let’s read the whole passage and find answers to the questions.  Show the questions on the screen.  1.What conditions allowed cholera deve

26、lop? 2.Why do you think people believed that cholera multiplied in the air without reason? 3.What evidence did John Snow gather to convince people that idea 2 was right? Sle answers: S1: The dirty water made the cholera develop quickly.  S2: Because people could not understand its cause and coul

27、d not get it cured.So people imagined that some poisonous gas in the air caused the deaths.  S3: He found that many of the deaths were near the water pump while some areas far away from the water pump had no deaths.So when people were asked not to use the water pump, the disease began to slow down.I

28、n this way, John Snow had shown that cholera was spread by germs and not in a cloud of gas.  Step Ⅴ Te_t analyzing Ask the students to analyze the te_t in groups.  T: Please look at the chart on the screen.The chart shows that each paragraph of the te_t e_plains John Snow’s stages in his research.P

29、lease read the te_t and find out the general idea of each paragraph and match the stage with each paragraph.Discuss it in groups, and then report your answers.  Paragraphs Stages General ideas 1 2 3 4 5 6 7 Sle answers: S1: My group’s opinion is this: stage one “Find a problem” is e_press

30、ed in paragraph one.The general idea is like this: John Snow wanted to find the causes of cholera.  S2: Our answer is like this: paragraph two e_presses the second stage “Make up a question”.The general idea is like this: John Snow wanted to prove which theory was correct.  S3: “Think of a method” i

31、s the third stage.And it is contained in paragraph three.The general idea is like this: John Snow collected data on those who were ill or died and where they got their water.  S4: The fourth stage “Collect results” lies in paragraph four.Its general idea is like this: John Snow plotted information o

32、n a map to find out where people died or did not die.  S5: Our group believe paragraph five contains the fifth stage of John Snow’s research.The general idea is like this: John Snow analysed the water to see if that was the cause of the illness.So this stage is to “Analyse the results”.  S6: The si_

33、th stage is “Repeat if necessary”.It is contained in the si_th paragraph.The general idea is like this: John Snow tried to find other evidences to confirm his conclusion.  S7: The last paragraph is about the seventh stage “Make a conclusion”.Its general idea is like this: The polluted dirty source o

34、f drinking water was to blame for the cause of the London cholera.  Ask some students to put their answers in the chart.  Paragraph Stages General ideas 1 Find a problem The causes of cholera 2 Make up a question The correct or possible theory 3 Think of a method Collect data on where peo

35、ple were ill and died and where they got their water 4 Collect results Plot information on a map to find out where people died or did not die 5 Analyse the results Analyse the water to see if that is the cause of the illness 6 Repeat if necessary Find other evidences to confirm his conclusi

36、on 7 Make a conclusion The polluted dirty source of drinking water was to blame for the cause of the London cholera T: Now class.Can you tell me what style of the passage belongs to? S1: I think it is a report.  T: Here are three pieces of writing.They belong to different writing styles.Now rea

37、d and find out what style each piece belongs to.  Show the chart and three pieces of writing on the screen.  Report Description Creative writing Formal language with few adjectives Vivid use of words with similes and metaphors Vivid use of language and more informal style No speech e_cept ati

38、ons No speech e_cept to help the description Speech to show feelings, reactions etc.  Not emotional Emotional to describe atmosphere Emotional to describe feelings Only one main character No characters May have several characters Factual Not factual but imaginative Imaginative but can be b

39、ased on fact Structural according to e_perimental method Not structured Beginning, middle, end Past tense and passive voice Past tense Past tense Making Way Once Goethe(歌德), the great German poet,was walking in a park.He was thinking about something when he noticed he came to a very, very na

40、rrow road.Just at that time, a young man came towards him from the other end of the road.It was too narrow for both of them to pass through at the same time.They stopped and looked at each other for a while.Then the young man said rudely,“I never make way for a fool.” But Goethe smiled and said, “I

41、always do.” Then he turned back quickly and walked towards the end of the road.  Weather Report Here’s the weather report for the ne_t 24 hours.Beijing will be fine with the temperature from 4 to 13.Tokyo will be fine too and cloudy later in the day.The lowest temperature is l to 8.London will be r

42、ainy and windy later in the day.The highest temperature is 8 and the lowest is 4.New York will be sunny and cloudy later in the day.The temperature is 13 to 19.  Heartbeating Put your hand to the left side of your chest.Try to feel your heartbeating.The heart takes a little rest after each pump or

43、beat.In boys or girls of your age, heart beats about 90 times a minute.A grown-up’s heart beats about 70 or 80 times a minute.But the heartbeat is different in the same person at different times.For e_le, the heart beats faster during e_ercise.It is also faster when a person is angry, scared, or e_c

44、ited.During sleep, the heartbeat slows down.  Sle answers: S1: I think the first piece “Making A Way” is in a style of creative writing.The second piece belongs to a description style.The third piece belongs to a report style.  T: Very good.Now let’s return to our te_t.Who can tell me the main idea of this passage? S2: I can.Clearly it tells us how John Snow defeated the disease cholera by doing scientific research.  StepⅥ Homework 1.Get more information about some infectious diseases and modern scientists.  2.Finish the E_ercises 1, 2, 3 on pages 3 and 4. 第 18 頁 共 18 頁

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