1、Period 1 Reading and Thinking John Snow Defeats “King Cholera”Activity 1 Lead in1. Why do we need to make a research?2. How can we get the expected results? Activity 2 PredictLesson 3 Science and scientist John Snow Defeats “King Cholera”1. What information can you get from the picture and the title
2、？A scientific wayActivity 3 Read for the steps of John Snows researchFind a problemThink of a method Analyze the resultsCollect dataFind supporting evidenceDraw a conclusionAsk a questionPara1Para2Para3Para4Para5Solution and significancePara.11. What is the problem?Cholera broke out. In the early 19
3、th century, when an outbreak of cholera hit Europe, millions of people died from the disease. Para.1dehydration（脱水）（脱水）diarrhoea（腹泻）（腹泻）deathThis illness causes severe diarrhoea, dehydration, and even death, and no one knew how to prevent or treat cholera2.What are the symptoms(症状症状) of cholera?Para
4、.2contradictory（对立的）John Snow subscribed to(agree with) the second theory.Para.2What is the method ?Theory is based on practice. Para.31. What are the statistics/ result?John snows cholera mapPara.3Group discussion to explain the map and give a presentation. Collect and analyseresultsbeerwater pumpp
5、ub7Para 3Snow suspected that the water pump was to blame.Para.3The cholera was stopped in its tracks.Para.4Find supporting evidencesuspect?The broad street water pump had been infected by waste and the water from the Thames River was polluted by raw waste. substantial (powerful) proof, evidenceIt wa
6、s the water that caused the cholera.To honor John Snow, the water pump is kept now in Broad Street in London.Water companies began to sell clean water.solve the problemsolutionPara.5Para.1find the problemSolutionPara.51. What is the significance of Snows effort in making a research to cholera? Give
7、your idea.2. To yourself: 1. his spirits in making research; 2. his attitude to workthe father of modern epidemiology现代流行病学之父Activity 5 ThinkingTo the world: 1. his scientific way; 2. the choleraActivity 6 HomeworkCholera used to be one of the most feared 1. (disease) in the world. When young, John
8、Snow became 2. (frustrate) because no one knew how to prevent or treat cholera. He desired 3. (destroy) cholera once and for all. He thought cholera was caused by an 4. (infect) from germs in food or water. Consequently, when an outbreak of cholera hit London in 1854, Snow began to investigate by 5.
9、 (mark) on a map the exact places where all those 6. died had lived. At last, John Snow found that the water from the Broad Street pump had been infected by waste. Through Snows tireless efforts, the threat of cholera around the world saw 7. substantial decrease. However, cholera is still a problem.
10、 Fortunately, we now know how to prevent cholera, thanks 8. the work of John Snow. Moreover, in his use of maps and statistics. Snow 9. (transform) the way scientists study diseases. For this reason, Snow 10. (consider) the father of modern epidemiology.transformedtoawhomarkinginfectionto destroyfru
11、strateddiseasesis transformedActivity 6 Homework1. Infer John Snows qualities based on the text, underline the sentence and the quality. strict seriousstrong-willed determineddiligent tireless hard-workingsmart talented gifted intelligent confident insistent ambitious innovative creativeHe never lost his desire to destroy the cholera. Thanks
