人教版高中英语必修五Unit 1 Great scientists教案.docx

1、人教版高中英语必修五Unit 1 Great scientists教案 Unit 1 Great scientistsPeriod 1 Warming up and reading课时： 课型Type of Lesson: Reading 学习目标Learning aims:1. To help students learn to describe people2. To help students learn to read a narration about John Snow3. To help students better understand “Great scientists”教

2、学重点Important Points:To help students learn to read a narration about John Snow教学难点Difficult Points:To help students learn to describe people教学反思Teaching Re-thinking:家庭作业Homework:教学过程Teaching Procedures:Warming up 热身Step I Lead in 导入Talk about scientist.T: Hi, morning, class. Nice to see you on this

3、special day, the day when you become a senior two grader. I am happy to be with you helping you with your English. Today we are to read about a certain scientist. But first lets define the word “scientist”. What is a scientist?A scientist is a person who works in science, trying to understand how th

4、e universe or other things work.Scientists can work in different areas of science. Here are some examples: Those that study physics are physicists. Those that study chemistry are chemists. Those that study biology are biologists.Step II 头脑风暴 Ask the students to try the quiz and find out who knows th

5、e most.T: There are some great scientific achievements that have changed the world. Can you name some of them? What kind of role do they play in the field of science? Do these achievements have anything in common? Match the inventions with their inventors below before you answer all these questions.

6、 1. Archimedes, Ancient Greek (287-212 BC), a mathematician. 2. Charles Darwin, Britain (1808-1882). The name of the book is Origin of Species.3. Thomas Newcomen, British (1663-1729), an inventor of steam engine.4. Gregor Mendel, Czech, a botanist and geneticist.5. Marie Curie, Polish and French, a

7、chemist and physicist.6. Thomas Edison, American, an inventor.7. Leonardo da Vinci, Italian, an artist.8. Sir Humphry Davy, British, an inventor and chemist.9. Zhang Heng, ancient China, an inventor.10. Stepper Hawking, British, a physicist.II. Pre-reading 预读 Step IGet the students to discuss the qu

8、estions on page 1 with their partners. Then ask the students to report their work. Encourage the students to express their different opinions. 1.What do you know about infectious diseases?Infectious diseases can be spread to other people. They have an unknown cause and need public health care to sol

9、ve them. People may be exposed to infectious disease, so may animals, such as bird flu，AIDS, SARS are infectious diseases. Infectious diseases are difficult to cure. 2.What do you know about cholera?Cholera is the illness caused by a bacterium called Vibrio cholerae. It infects peoples intestines(肠)

10、, causing diarrhea and leg cramps (抽筋).The most common cause of cholera is by someone eating food or drinking water that has been contaminated(污染) with the bacteria. Cholera can be mild(不严重的) or even without immediate symptoms(症状), but a severe case can lead to death without immediately treatment.3.

11、 Do you know how to prove a new idea in scientific research?Anybody might come out with a new idea. But how do we prove it in scientific research? There are seven stages in examining a new idea in scientific research. And they can be put in the following order. What order would you put the seven in?

12、 Just guess.Find a problem Make up a question Think of a method Collect results Analyse the results Draw a conclusion Repeat if necessary Unit 1 Great scientistsPeriod 1 Warming up and reading 课型Type of Lesson: Reading 学习目标Learning aims:1. To help students learn to describe people2. To help students

13、 learn to read a narration about John Snow3. To help students better understand “Great scientists”教学重点Important Points:To help students learn to read a narration about John Snow教学难点Difficult Points:To help students learn to describe people教学反思Teaching Re-thinking:家庭作业Homework:教学过程Teaching Procedures

14、:III. Reading 阅读Step I Pre-reading 预读1.Do you know John Snow?John Snow is a well-known doctor in the 19th century in London and he defeated “King Cholera”.2.Do you know what kind of disease is cholera?It is a kind of terrible disease caused by drinking dirty water and it caused a lot of deaths in th

15、e old times and it was very difficult to defeat.Lets get to know how Dr. John Snow defeated “King Cholera” in 1854 in London in this reading passage: Step II Skimming 扫读 Read the passage and answer the questions.1.Who defeats “King Cholera“? (John Snow)2.What happened in 1854? (Cholera outbreak hit

16、London.)3.How many people died in 10 days? (500)4.Why is there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street? (These families had not drunk the water from the Broad Street pump.) (Optional)Skim the passage and find the information to complete the form below.WhoWhe

17、nWhatHowResultJohn Snow1854helping ordinary people exposed to choleraExamining the source of all water supplies and finding new methods of dealing with polluted waster“King Cholera” defeatedStep III Scanning 找读Read the passage and number these events in the order that they happened. 2 John Snow bega

18、n to test two theories. 1 An outbreak of cholera hit London in 1854. 4 John Snow marked the deaths on a map. 7 He announced that the water carried the disease. 3 John Snow investigated two streets where the outbreak was very severe. 8 King Cholera was defeated. 5 He found that most of the deaths wer

19、e near a water pump. 6 He had the handle removed from the water pump.Step IV Main idea and correct stage 精读Read the passage and put the correct stages into the reading about research into a disease.John Snow Defeats “King Cholera”ParagraphStagesGeneral ideas1Find a problem:What cause the cholera?The

20、 causes of cholera2Make up a question:Which is right?The correct or possible theory3Think of a method:Test two theoryCollect data on where people were ill and died and where they got their water4Collect results:Mark the deathPlot information on a map to find out where people died or did not die5Anal

21、yze the results:Find the resource of the waterLook into the water to see if that is the cause of the illness6Find supporting evidenceFind other evidences to confirm his conclusion7Draw a conclusionThe polluted dirty source of drinking water was to blame for the cause of the London cholera Step V Gro

22、up discussion 分组讨论Answer the questions (Finish exercise 2 on Page 3)1. John Snow believed Idea 2 was right. How did he finally prove it? (John Snow finally proved his idea because he found an outbreak that was clearly related to cholera, collected information and was able to tie cases outside the ar

23、ea to the polluted water.)2. Do you think John Snow would have solved this problem without the map? (No. The map helped John Snow organize his ideas. He was able to identify those households that had had many deaths and check their water-drinking habits. He identified those houses that had had no de

24、aths and surveyed their drinking habits. The evidence clearly pointed to the polluted water being the cause.)3. Cholera is a 19th century disease. What disease do you think is similar to cholera today? (Two diseases, which are similar today, are SARS and AIDS because they are both serious, have an u

25、nknown cause and need public health care to solve them.)Step VI 概括总结Using the stages for scientific research and write a summary.Unit 1 Great scientistsPeriod 2&3 Language focus 课时：课型Type of Lesson: Words & Expressions 学习目标Learning aims: To help students learn to use some important words and express

26、ions教学重点Important Points: To help students learn to remember some important words and expressions教学难点Difficult Points: To help students learn to use some important words and expressions教学反思Teaching Re-thinking:家庭作业Homework:教学过程Teaching Procedures:Step I Warming up 热身1.characteristic 1 n. a quality o

27、r feature of sth. or someone that is typical of them and easy to recongnize.特征；特性 What characteristics distinguish the Americans from the Canadians. a. very typical of a particular thing or of someones characer 典型性的， Such bluntness is characteristic of him.Windy days are characteristic of March. 辨析c

28、haracteristic与character characteristic是可数名词，意为“与众不同的特征“character表示（个人、集体、民族特有的）“性格、品质”，还意为“人物；文字”What you know about him isnt his real character.2. put forward: to state an idea or opinion, or to suggest a plan or person, for other people to consider提出 He put forward a new theory. The foreigners hav

29、e put forward a proposal for a joint venture.An interesting suggestion for measuring the atmosphere around Mars has been put forward. put on穿上;戴上;增加 put out熄灭(灯);扑灭 (火) put up with忍受 put down写下来;放下； put off 耽误; 延期 put up建立; 建造, put up举起，搭建，粘贴3. analyze: to examine or think about something carefully

30、in order to understand it vt.分析结果、检讨、细察 A computer analyses the photographs sent by the satellite.The earthquake expert tried to analyze the cause of the earthquake occurred on May 12,2008. Lets analyze the problem and see what went wrong. He analyzed the food and found that it contained poison. We

31、must try to analyze the causes of the strike. analysis n.分析，解析，分解4. conclude: decide that sth. is true after considering al the information you have 得出结论；推论出 to end sth. such as a meeting or speech by doing or saying one final thing vt. & vi结束，终止； We concluded the meeting at 8 oclock with a prayer. From his appearance we may safely conclude that he is a heavy smoker. What do you conclude from these facts? We conclude to go out / that we would go out.conclusion n.结论 arrive at a conclusion; come to a conclusion; draw a conclusion; reach a conclusion What conclusion did you come