(课件网) Unit1 Great Scientists 教学模板PPT 英语人教版 必修5 Reading John Snow Defeats“King Cholera” Get the main idea of John Snow Defeats“King Cholera”. Know how to prove a new idea in scientific research. Learning aims Who is he? He has made a famous kite experiment. He learned a lot from it and invented lightning rod (避雷针). Benjamin Franklin Lead in Who is he? He is called the greatest scientist in the 20th century. He is famous for the Theory of Relativity. Albert Einstein Who is he? He made the first telescope in the world. His observations show that the earth moves around the sun. Galileo 麻醉学家、流行病专家。 首次提出预防霍乱的措施。 1854年，伦敦霍乱流行，斯诺通过研究霍乱病死者的日常生活情况，寻找到他们的共同行为模式，发现了霍乱与饮用不洁水的关系，由于及时切断了二者的联系，有效制止了霍乱的流行。 John Snow Can you guess 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 collected, analyzed data and found the cause of the cholera and solved it . John Snow Defeats“King Cholera” what why how Name of illness Symptom(症状) Aftereffect(后期) cholera (霍乱) severe vomiting (呕吐) and diarrhoea (腹泻) die quickly from a loss of liquid what Many deaths in African countries in 2005 and even now 5oo deaths in 10 days in 1854 in London. why draw a conclusion think of a method collect results make a question find a problem analyse the results find supporting evidence find a problem make a question think of a method collect results analyse the results draw a conclusion How to prove a new idea in scientific research? find supporting evidence Who is John Snow? a famous doctor in London. attended her as her personal physician Lead in draw a conclusion find a problem make a question think of a method collect results analyse the results Match-How John Snow defeats“King Cholera” find supporting evidence A. Which theory is correct? B. What causes cholera? C. Plot information on a map to find out where people died or did not die. D. Collect data on those who were ill or died and where they got their water. E. Find other evidence to support the analysis. F. Analyse the water to see if that is the cause of the illness. G. It was certain that polluted water carried the virus. Find a problem:What was the problem? Cholera was a deadly disease of its day, but neither its cause nor its cure was understood. Intensive reading Make a question: What were the two theories and what did each of them suggest? The first theory was that cholera multiplied in the air. A cloud of dangerous gas floated around until it found its victims. It suggested that cholera was spread via air. The second theory was that people absorbed cholera into their bodies with their meals. It suggested that cholera was spread via meals. Think of a method & collect results: Find out the numbers below and wha ... ...
