Unit1GreatScientists.ppt

1、1.Nothing for nothing. 不费力气，一无所得。 2.Never underestimate your power to change yourself! 永远不要低估你改变自我的能力！ 3.In doing we learn.（实践长才干）,Unit 1 Great Scientists,导入,1. Do you know who defeated(战胜，击败) “King Cholera”?（霍乱）,John Snow,It is a kind of terrible infectious（传染） disease caused by drinking dirty wate

2、r and it caused a lot of deaths in the old times and it was very difficult to defeat.,How much do you know about it?,But John Snow, a well-known doctor in the 19th century in London, defeated “King Cholera”.,学习目标 讨论科学研究步骤 探讨霍乱根源是空气的传播 还是被污染的水资源 科学家应具备的品质,What five most important qualities do you thi

3、nk a scientist should have? Give reasons.,Careful， clever， strict 严格 patient 耐心 creative（创造性）， strong-willed （坚强意志）， honest serious（认真） intelligent 聪明 智慧 humorous 幽默， ambitious（雄心壮志） generous慷慨 大方, hard-working,1.Draw a conclusion:(得出结论) 2. Think of a method:(找出研究方法) 3. Collect results:(收集材料) 4. Mak

4、e up a question:(形成研究主题) 5. Find a problem:(发现问题) 6. Analyse results:(分析材料) 7. Repeat if necessary:(必要时重新分析),If you want to solve a problem or prove a new idea in scientific reseach? How would you deal with it? Please put the follow step in,5,4,2,6,7,1,3,1.Find a problem:(发现问题) 2.Make up a question:

5、(形成研究主题) 3.Think of a method:(找出研究方法) 4.Collect results:(收集材料) 5.Analyse results:(分析材料) 6.Repeat if necessary:(必要时重新分析) 7.Draw a conclusion:(得出结论),The passage is written as a report of an experiment and there are 7 steps:,自主学习 Self-learning Write down the main idea of each paragraph Para 1: John Sno

6、w was a famous doctor in London and he was kind enough to help the ordinary people with cholera. Para 2: interested in , two theories Para 3: collected information Para 4: map, polluted water , reason Para 5: reason, source, polluted Para 6: find out make sure, water, carried , Para 7: how, prevent

7、,交流communication Write down the main idea of each paragraph Para 1: Para 2: interested in , two theories about Para 3: collected information to Para 4: map, polluted water , reason ,John Snow was a famous doctor in London and he was kind enough to help the ordinary people with cholera.,John Snow was

8、 interested in two theories about cholera.,John Snow collected information to test the two theories.,The map showed that the polluted water might be the reason for cholera.,Para 5: reason, source, polluted Para 6: find outto make surewatercarried Para 7: how, prevent from,The reason for cholera was

9、that the source of the water（水源） was polluted.,John Snow found sure other evidences to make sure that polluted water carried the disease of cholera.,John Snow suggested how to prevent cholera from happening again.,Find a problem,The _ of cholera,causes,Presentation,Para.1,Theory two: When people _ c

10、holera into their bodies with meals, their bodies were attacked and soon they died.,Theory one: Cholera _ in the air and dangerous gas floated around until it found its victims.,Make up a question,multiplied,absorbed,Think of a method,To _ the second theory was correct.,prove,Collect results,Some in

11、formation was _ on how many people died and where they got water.,Analyse results,_the water to see if that is the cause of the illness.,gathered,Analyse,Repeat if necessary,With extra _ , it was announced definitely that _ water carried cholera.,Make a conclusion,Polluted water spread cholera. “Kin

12、g Cholera” was _ .,evidence,polluted,defeated,反馈feedback,Scientific Report by John Snow,Nobody knew the cause of the serious disease of cholera,a strange cloud of gas found its victims,people absorbed the disease with meals,Collect information from the cholera outbreak to prove which theory was corr

13、ect,He found the cause of cholera was the polluted water,Idea 2. Because the information showed that the dirty water carried cholera,He defeated cholera by examining the water supply and dealing with the polluted water,John Snow Defeats “King Cholera”,The passage is written as a report of an experim

14、ent and there are 7 steps:,1.Find a problem: 2.Make up a question: 3.Think of a method: 4.Collect results: 5.Analyse results: 6.Repeat if necessary: 7.Draw a conclusion:,Read the passage again and fill in the blanks: John Snow was a _ doctor in London in the _ century. He wanted to find the _ of cho

15、lera in order to _ it. In 1854 when a cholera _ out, he began to gather information. He _on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the _ died. So he decided that the polluted water carried cholera. He _ that the _ of all water suppl

16、y be _ and new methods of _ with polluted water be found. Finally, “King Cholera” was defeated.,well-known,19th,cause,defeat,broke,marked,pump,source,examined,dealing,suggested,Discussion:,What good qualities do you think great scientists should have?,clever,hard-working,energetic 有活力的,determined 有决心的,S: smart聪明, strong in mind坚强意志 U: understanding理解力, uncomplaining无怨无悔 C: careful细心 Success: C: cheerful活跃的 成功 E: energetic有活力, enthusiastic有热情 S: self-d