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1、Unit 1 Great ScientistsA photo of the highest IQSeventeen of the twenty-nine were or became Nobel Prize winners.1. Who wrote a book explaining how animals and plants developed as the environment changed?A. Marie CurieC. Charles DarwinB. Gregor Mendel2. Who invented the way of giving electricity to e
2、verybody in large cities?A. Stephen Hawking C. Thomas EdisonB. Archimedes3.Which scientist discovered that objects in water are lifted up by a force that helps them float?B. ArchimedesC. Thomas EdisonA. Charles Darwin4. Who invented the earliest instrument to tell people where earthquakes happened?A
3、. Charles DarwinC. Watt B. Zhang Heng5.Who put forward a theory about black holes?A. Stephen HawkingC. CopernicusB. Archimedes6.Who bought a lot of salt for fear of nuclear radiation in 2011?A. Scientists B. Ordinary peopleQuestions:1.Why do you think people do something wrong or even foolish when m
4、eeting with such problems?2.What you think scientists or experts might do when meeting such problems?Ordinary peopleScientistsThe key difference : Thinking.Just follow others without thinking.Think about the problem, and then they may do a research if necessary. A good way to think is to ask questio
5、ns. Who is John Snow? Whats “King Cholera”Who is John Snow? a famous doctor in London. A famous doctor in LondonA famous doctor in LondonPersonal physician of Queen VictoriaPersonal physician of Queen VictoriaWhats “King Cholera”Cholera is a deadly and infectious disease， so its called “King Cholera
6、”. Look at the title and the picture Look at the title and the picture and try to guess: and try to guess: Whats the text about?Whats the text about?Its about Its about how how John Snow John Snow defeated the deadly defeated the deadly disease, King Cholera.disease, King Cholera.StageStageDraw a co
7、nclusionDraw a conclusionThinkThink of a method of a methodCollect resultsCollect resultsMake a questionMake a questionFind a problemFind a problemAnalyseAnalyse the results the resultsFind supporting evidenceFind supporting evidenceHere are the usual seven stages in doing a scientific research, can
8、 you put them in the right order ?Fast reading: Read the story quickly and write down a headline before each paragraph using the seven stages.ParagraphParagraphStageStagePara 1Para 1ParaPara 2 2Para 3Para 3Para 4Para 4Para 5Para 5Para 6Para 6Para 7Para 7Fast reading: Read the story quickly and write
9、 down a headline before each paragraph using the seven stages.Find a problemFind a problemMake a questionMake a questionThink of a methodThink of a methodCollect resultsCollect resultsAnalyse the resultsAnalyse the resultsFind supporting evidenceFind supporting evidenceDraw a conclusionDraw a conclu
10、sionParagraphParagraph Number these events in the order that they happened.1. John Snow began to test the two theories.2. An outbreak of cholera hit London in 18543. John Snow marked the deaths on a map.4. He announced the water carried the disease.5. John Snow investigated two streets where the out
11、break was very severe.6. King cholera was defeated.7. He found that most of the deaths were near a water pump.8. He had the handle removed from the water pump. Right order: _ 2 1473856Two theories: An outbreak of cholera . Neither its cause nor its cure was understood.1.Cholera multiplied in the air
12、. Para. 1: Find a problemWhats the challenge?Whats the problem?Para. 2: Make a question2. People absorbed the disease with meals.Which theory is right? Careful reading:Careful reading:What caused cholera?Para 3&4: Think of a method &Collect the resultsWhat method did he use?Whats the result?He marke
13、d the deaths on a map.Broad StreetMany deaths happened here.No death happened here.PubPubPara 3&4: Think of a method &Collect the resultsWhat method did he use?Whats the result?He marked the deaths on a map.It seemed that the water was to blame.Para. 5: Analyse the results What happened to the water
14、?What did he ask people to do?Polluted.To remove the handle from the pump.Another result: How was Cholera spread?Cholera was spread by germs and not in a cloud of gas.Para. 6&7: Find supporting evidence &Draw a conclusionWhats the extra evidence?Whats the conclusion?What did he advise people to do t
15、o prevent the disease?Two other deaths. The polluted water caused cholera.Suggested the source of all water supplies be examined.Instructed the water companies not to expose people to the polluted water any more. John Snow was a famous _ in London and he wanted to help the ordinary people_ to choler
16、a. There were two _ about the cause of cholera. John Snow _that the second one was correct. He carried out a series of researches and found that the water was to_. So he told the people to_ the handle from the_at once. The disease soon _ down. After that he found two other deaths that were _to the w
17、ater. With this extra evidence John Snow was able to _with certainty that polluted water carried the virus. He suggested the water companies should be_not to supply people with polluted water. Finally “ King Cholera” was _. doctorexposedtheoriessuspectedblameremovepumpslowedlinkedannounceinstructedd
18、efeatedSummaryRead the passage again and fill in the blanks.Thinking and asking questions:What questions might John Snow have asked about “King Cholera”?How can I defeat cholera?Whats the cause of cholera?Which theory is right?Where has cholera happened?Why are there so many deaths in the two street
19、s?Whats matter with the water? What infectious diseases do you know about?What should you do first when there is an infectious disease?DiscussionThink and ask questions!DiscussionSituation: Tom is both your best friend and also your next door neighbor. Unfortunately, he has been infected with AIDS a
20、fter an injection What questions can you ask in such a What questions can you ask in such a situation.situation.SummaryThe story of John Snow and cholera.The story of John Snow and cholera.How to keep ourselves away from infectious diseases.How to keep ourselves away from infectious diseases.Remembe
21、r to think and ask some questions first when meeting with Remember to think and ask some questions first when meeting with a problem.a problem.1.Write a passage about how John Snow defeated “King Cholera”.2.Surf on the Internet to find answers and solutions to your questions about the situation of your friend Tom, and make a report next class.HomeworkHomework