高中英语新课标（人教版）优秀课件_必修五_16《unit 1 great scientist》（可编辑ppt课件）

新课标人教版课件系列 高中英语 必修5-1.6 Unit 1 Great Scientists Do you know the great scientists?Do you know the great scientists? 1.Who invented the first modern steam 1.Who invented the first modern steam engine?engine? James Watt (瓦特) 2.Who discovered radium?2.Who discovered radium? Madame Curie 3. Who is the 3. Who is the inventor of electric inventor of electric light bulb(light bulb(电灯电灯)?)? Thomas Edison 4.Who invented the 4.Who invented the earliest instrument to earliest instrument to tell people where tell people where earthquakes happened?earthquakes happened? Zhang Heng 5.Who is the 5.Who is the father of super father of super hybrid rice?hybrid rice? Yuan Longping 6. Do you know who 6. Do you know who defeated “King defeated “King Cholera”?Cholera”? John Snow 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 Do you know what kind of disease is cholera?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. Lets get to know how Dr. John Lets get to know how Dr. John Snow defeated “King Cholera” in Snow defeated “King Cholera” in 1854 in London in this reading 1854 in London in this reading passage: passage: John Snow Defeats “King Cholera”John Snow Defeats “King Cholera” John Snow Defeats “King Cholera”John Snow Defeats “King Cholera” The passage is written as a report of an The passage is written as a report of an experiment and there are experiment and there are 7 steps7 steps: : 1.Find a problem:(1.Find a problem:(发现问题发现问题) ) 2.Make up a question:(2.Make up a question:(形成研究主题形成研究主题) ) 3.Think of a method:3.Think of a method:( (找出研究方法找出研究方法) ) 4.Collect results4.Collect results:(:(收集材料收集材料) ) 5.Analyse results:(5.Analyse results:(分析材料分析材料) ) 6.Repeat if necessary:(6.Repeat if necessary:(必要时重新分析必要时重新分析) ) 7.Draw a conclusion:(7.Draw a conclusion:(得出结论得出结论) ) John Snow Defeats “King Cholera”John Snow Defeats “King Cholera” Read the passage and fill in this form: Read the passage and fill in this form: (in 15 minutes)(in 15 minutes) Steps:What/How? 1.Find a problem 2.Make up a question 3.Think of a method 4.collect results 5.Analyse results 6.Repeat if necessary 7.Make a conclusion Steps:What/How? 1.Find a problem 2.Make up a question 3.Think of a method 4.collect results John Snow Defeats “King Cholera”John Snow Defeats “King Cholera” What causes cholera? Which theory is correct? Collect information on those who were ill or died and where they got their water Mark information on a map to find out where people died or did not died 6.Repeat if necessary 7.Make a conclusion 5.Analyse results 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. Read the passage again and finish Ex. 1(Page 3). (in 8 minutes) John Snow Defeats “King Cholera”John Snow Defeats “King Cholera” Scientific Reportby John Snow The problem The causeIdea 1: Idea 2: The method Nobody knew the cause of the serious disease of cholera a strange cloud of gas found its victims people absorbed the disease with meals Collect information from the cholera outbreak to prove which theory was correct The results Idea 1 or 2? Why? The conclusion He found the cause of cholera was the polluted water Idea 2. Because the information showed that the dirty water carried cholera He defeated cholera by examining the water supply and dealing with the polluted water Read the passage again and fill in the blanks: John Snow was a well-known _ in London in the _ century. He wanted to find the _ of cholera in order to _ it. In 1854 when a cholera _ out, he began to gather information. He _ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the _ died. So he decided that the polluted water carried cholera. He suggested that the _ of all water supply be _ and new methods of _ with polluted water be found. Finally, “King Cholera” was defeated. doctor 19th cause defeat broke marked pump source examineddealing (in 5 minutes) Retell the passage according to below: John Snow was a well-known _ in London in the _ century. He wanted to find the _ of cholera in order to _ it. In 1854 when a cholera _ out, he began to gather information. He _ on a map where all the dead people had lived and he found that many people who