廣東地區(qū)高中英語必修5 Unit1 Great scientist period2課件

1、Unit 1 Great ScientistsDo you know the great scientists?1.Who invented the first modern steam engine?James Watt (瓦特)2.Who discovered radium?Madame Curie2021/8/8 星期日13. Who is the inventor of electric light bulb(電燈)?Thomas Edison4.Who invented the earliest instrument to tell people where earthquakes

2、happened?Zhang Heng2021/8/8 星期日25.Who is the father of super hybrid rice?Yuan Longping6. Do you know who defeated “King Cholera”?John Snow2021/8/8 星期日3John 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 cholera?It is a kin

3、d 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.2021/8/8 星期日4Lets get to know how Dr. John Snow defeated “King Cholera” in 1854 in London in this reading passage: John Snow Defeats “King Cholera”2021/8/8 星期日5John

4、 Snow Defeats “King Cholera”The passage is written as a report of an experiment and there are 7 steps:1.Find a problem:(發(fā)現(xiàn)問題)2.Make up a question:(形成研究主題)3.Think of a method:(找出研究方法)4.Collect results:(收集材料)5.Analyse results:(分析材料)6.Repeat if necessary:(必要時(shí)重新分析)7.Draw a conclusion:(得出結(jié)論)2021/8/8 星期日6

5、John Snow Defeats “King Cholera”Read the passage and fill in this form: (in 15 minutes)Steps:What/How?1.Find a problem2.Make up a question3.Think of a method4.collect results5.Analyse results6.Repeat if necessary7.Make a conclusion2021/8/8 星期日7Steps:What/How?1.Find a problem2.Make up a question3.Thi

6、nk of a method4.collect resultsJohn 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 waterMark information on a map to find out where people died or did not died2021/8/8 星期日86.Repeat if necessary7.Make a

7、 conclusion5.Analyse resultsAnalyse the water to see if that is the cause of the illnessFind other evidence to make sure the conclusionThe water is to blame. The source of all drinking water should be examined.2021/8/8 星期日9Read the passage again and finish Ex. 1(Page 3). (in 8 minutes)John Snow Defe

8、ats “King Cholera”2021/8/8 星期日10Scientific Reportby John SnowThe problemThe causeIdea 1:Idea 2:The methodNobody knew the cause of the serious disease of choleraa strange cloud of gas found its victimspeople absorbed the disease with mealsCollect information from the cholera outbreak to prove which t

9、heory was correct2021/8/8 星期日11The resultsIdea 1 or 2? Why?The conclusionHe found the cause of cholera was the polluted waterIdea 2. Because the information showed that the dirty water carried choleraHe defeated cholera by examining the water supply and dealing with the polluted water 2021/8/8 星期日12

10、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 wh

11、o 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.doctor19thcausedefeatbrokemarkedpumpsourceexamineddealing (in 5

12、 minutes)2021/8/8 星期日13Retell 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 had drunk the dirty water from the _ died. So he decided that the polluted water ca