新人教版必修五Unit1 Reading课件

Careful Reading:
1.What did he do with the results of his enquiry? Marked on a map…
2.What valuable clue did he get about the cause of the disease? Many of the deaths… …had no deaths. 3.What might be the cause? It seemed that the water was to blame for cholera.
John Snow Defeats “King Cholera”
1.Find a problem:(发现问题)
The passage is written as a report of an experiment and there are 7 steps:
2.Make up a question:(形成研究主题)
The polluted water carried the virus 3.What measures did John Snow take to prevent the disease from spreading? ..suggested that…be examined …were instructed not to expose…to…
John Snow Defeats “King Cholera”
Steps: What/How?
1.Find a What causes cholera? problem Make up a Which theory is correct? question 3.Think of a Collect information on those method who were ill or died and where they got their water
…slowed down
Careful Reading:
1.Where did the woman live and what did she had delivered to her house every day? Away from Broad Street Water from the pump 2.What did their deaths suggest?
Careful Reading:
1.What were the two theories about the cause of cholera?
…multiplied… …absorb… …victims…
2.Which did John Snow want to prove? The second one. 3.What was his method of doing the research? To gather information in two particular streets.
John Snow is a well-known doctor in the 19th century in London and he defeated “King Cholera”. 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 the old times and it was very difficult to defeat.
4.collect results Mark information on a map to find out where people died or did not died
5.Analyse results 6.Repeat if necessary 7.Make a conclusion
Analyse the water to see if that is the cause of the illness Find other evidence to make sure the conclusion The water is to blame. The source of all drinking water should be examined.
Careful Reading:
John Snow was an expert doctor in London who attended ____Queen Victoria as her personal physician . He thought about helping ordinary people exposed __to cholera. Though the cause and the cure of it were unknown, he wanted to face the____________ challenge and solve the problem.
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)
Read the passage again and fill in the blanks:
Dicussing
Stages in setting out a new scientific idea:
⑦ draw a conclusion ③ Think of a method ④ Collect results ② Make a question ① Find a problem ⑤ Analyse the results ⑥ Find supporting evidence
? The causes of cholera ? The correct or possible theory ? Collect data on those where people were ill and died ? Plot information on a map to find out where people died or did not die ? Analyse the water to see if that is the cause of the illness. ? Find other evidences to confirm his conclusion ? The advice of John Snow about how to solve the problem
death Many of the deaths were near the water pump in Broad Street.
Part of Snow’s Cholera Map
Careful Reading:
1.Why did he tell people to remove the handle from the pump? So that … 2.What happened after the handle was removed?
Cholera:
• It begins in the stomach and a severe case can lead to death without immediate treatment. • And the victims died very quickly from a loss of liquid after severe vomiting(呕吐) and diarrhoea(腹泻).
Unit 1 Great scientists
-----By Joyce
Scientists & Contributions:
Alexander Bell Thomas Edison Wright Brothers Madame Curie Franklin Steven Hawking Elbert Einstein Isaac Newton electricity the First telephone the electric Lamp black holes in Universe Theory of Gravity the First Plane Radium the Theory of Relativity
John Snow was a well-known doctor ____ in London in the th century. He wanted to find the ______ cause of ___ 19 defeat it. In 1854 when a cholera in order to ______ cholera broke ____ out, he began to gather information. He marked _____ on a map where all the dead people had lived and he found that many people who had drunk pump died. So he the dirty water from the ______ decided that the polluted water carried cholera. He suggested that the source _____ of all water supply examined and new methods of ________ dealing with be _______ polluted water be found. Finally, “King Cholera” was defeated.