(
课件网) JOHN SNOW DEFEATS “KING CHOLERA” Unit1 Science and Scientists Reading and Thinking Lead in the stages of scientific research (科学研究步骤) epidemics(流行病) malaria(疟疾) Lead in COVID-19(新冠) cholera(霍乱) 19th century Sickness恶心 Diarrhoea腹泻 Dehydration脱水 1. Get information about how John Snow defeated cholera; 2. Figure out the stages for John Snow's scientific research; 3. Talk about the significance of John’s work and his qualities and scientific spirits. Learning Objectives Find a problem 发现问题 Ask a question 提出问题 Think of a method 思考方法 Collect data 收集数据 Analyse the results 分析结果 Find supporting evidence 寻求更多证据 Draw a conclusion 得出结论 7 stages of Scientific Research 科学研究7个步骤 Pre-reading Pre-reading It is a deadly disease which is hard to cure. John Snow Defeats “ King Cholera” What’s the main idea of the passage A. How John Snow found the cause of cholera and defeated it. B. The cause of cholera was polluted water. C. The source of all drinking water should be examined. D. John Snow was a well-known doctor in London. D.John Snow wanted to use his knowledge to solve cholera. B.He needed to prove the second theory was correct. A.John began his study by marking on the map & the process. E.He finally found out that dirty water was the cause of cholera. C.John Snow made great contributions to modern epidemiology. Who What While-reading Para1 Para 2 Para 3 Para 4 Para 5 Read for the main idea and check predictions. While-reading Para 1 Who & What John Snow Cholera A famous _____ (who even attended to _____when she gave birth) Desire:_____ Country:_____ To destroy cholera once and for all one of _____diseases causes severe _____ _____ millions of people _____ the disease in the early 19th century the most feared diarrhoea, dehydration and even death died from doctor Queen Victoria Britain Para.1 Cholera Can you help me defeat cholera together Sure! Sorry. While-reading 1. What did he discover 2. Which stages does this paragraph include Two contradictory theories Theory one: caused by _____ Theory two: caused by _____ bad air germs The other was that cholera was Para.2 Snow subscribed to theory _____. two 1 Find a problem 2 Ask a question Find a problem 发现问题 Ask a question 提出问题 Think of a method 思考方法 Collect data 收集数据 Analyse the results 分析结果 Find supporting evidence 寻求更多证据 Draw a conclusion得出结论 7 stages We must find out the reason! Let’s go! Exercise A: It was believed that cholera was caused by bad ____ or germs in _____. B:Snow_____the places where the people who ____ had lived C:Many deaths occurred near the _____ in Broad Street. Some people _____ drunk the water from the pump, and lived. A woman and her daughter died in another part of London after _____. D: The pump water carried _____. Match the following headers with the letters from the chart above. Write A-E in the blanks. conclusion evidence hand ... ...
