公开课john-snow-defeats-king-cholera

1、Unit 1 Great Scientists,Reading,Great scientists:,What qualities do they have in common?,hard work bravery devotion patience logical thinking careful observation an expert in her/his scientific area ,draw a conclusion think of a method collect results make a question find a problem analyse the results find supporting evidence,Here are steps for a scientific research, what order would you put them in?,John Snow Defeats “King Cholera”,Who was John Snow? What was “King Cholera”? How do you understa

2、nd the word “defeat”?,Fast reading,John Snow, (1813-1858) British, is an anesthetist（麻醉师） and more importantly , “ Father of epidemiologist （流行病学家）”.,Who was John Snow? - John Snow was a famous doctor in London so expert, indeed, that he attended Queen Victoria as her personal physician. (Line1&2),cholera (霍乱), an infectious disease,severe vomiting (呕吐) and diarrhoea (腹泻),die quickly from a loss of liquid(液体),What was King Cholera?,This was a deadly disease of its day. (Line4),How do you underst

3、and the word “defeats”? A. cure. B. control,John Snow Defeats “King Cholera”,Whats the main idea of the passage? John Snow was a well-known doctor in London. The cause of Cholera was polluted water. The source of all drinking water should be examined. How John Snow did a scientific research to collect, analyze data and find the cause of the disease and solved it .,Careful reading,Introduction to John Snow and cholera. What caused it?,Between the two theory, which was correct?,John began his enqu

4、iry when cholera hit London in 1854.,Fill in the blanks.,marked information on a map to find out where people died or not.,Looked into the water to see if it was the cause of the illness.,Two people who lived in another street drank the same water and died.,The source of water should be examined. Cholera was defeated.,A map of Broad Street,Broad Street,Many deaths happened here.,No death happened here.,It seemed the water from the pump was to blame. What did he do next?,Pub,1. What are writing s

5、tyles: showing a lot of facts, including time, place, characters and data; using maps or chart to help us understand using formal and precise words and expressions. 2. What do you think of John Snow, and what can you learn from him?,Discussion,scientific,Only by sticking to your dream can you make it come true.,Write a short summary. 2. Review the words and expressions on the blackboard.,Homework,Write a short summary.,Firstly, cholera was a deadly disease and John Snow, an expert in infectious

6、diseases, . Secondly, . Thirdly, . Then, Next, After that, Finally, . King Cholera was controlled.,Write a short summary. 2. Review the words and expressions on the blackboard.,Homework,How did he defeat the King Cholera?,Firstly, cholera was a deadly disease and John Snow, an expert in infectious diseases, was determined to find the cause. Secondly, there were two theories and he suspected the second one was the cause. Thirdly, he began his enquiry when another outbreak hit London in 1854. Then, he marked on a map where people died or not, from which, it seemed that the water was the cause. Next, John Snow looked into the source of the water and found that it came from the polluted river. After that, he found two dead people who lived in another street drank the water. Finally, the source of water was examined and cholera was controlled.,

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