Unit 1 Science and Scientists Period 1 Reading and thinking導學案To read about how John Snow defeated “King Cholera”To work out the stages of scientific research3.  To understand the important role of questioning spirit in scientific research.4. To solve the reading tasks by thinking logically and cooperating with peers.1.Name some famous scientists you know and share some details about them.  2. What is the main idea of the text? 3. What order would you put the seven stages in?_____analyze the results _____ask a question_____ draw a conclusion _____ collect data   _____ find a problem     _____ think of a method_____ find supporting evidence 4. Read the text quickly and find out the answers to the following questions.1). What’s the purpose of the text? 2). What inspired John Snow according to the first paragraph? 3). What’s the use of John Snow’s map in his research? 4). How did John Snow feel about the cause of cholera after he finished the map? 5). Why was cholera called “King Cholera” in the text? 5： Read the passage again and complete the chart below.        6：Match the following headers with the letters from the chart above. write A---E in the blanks.1)      conclusion____________2)      evidence _____________3)      process_____________4)      solution _____________5)      theories_____________7： Answer the following questions:John Snow believed  idea 2 was right. How did he finally prove it?  Do you think John Snow would have solved this problem without the map?  Cholera is a 19th century disease. What disease do you think is similar to cholera today? 8: Consolidate what you have learned by filling in the blanks:John Snow was a well-known _1___ in London in the _2__ century. He wanted to find the _3_____ of cholera in order to help people ___4_____ it. In 1854 when a cholera __5__ London, he began to gather information. He ___6__ on a map ___7___ all the dead people had lived and he found that many people who had ___8____ (drink) the dirty water from the __9____ died. So he decided that the polluted water ___10____ cholera. He suggested that the ___11__ of all water supplies should be _12______ and new methods of dealing with ____13___ water be found. Finally, “King Cholera” was __14_____.1._____________2.____________3.________________4._____________5.___________6.____________7._____________8.____________9.____________10.____________11.­­­­­­­­­­­­­­­­­­­­­­­­______________12.______________13.______________14.______________                          keys1.Charles Darwin: he wrote a book explaining how animals and plants developed as the environment changed.2. The text is mainly about John Snow and how he defeated king cholera.3.1) find a problem  2). ask a question  3). think of a method  4). collect data  5). analyze the results  6. find supporting evidence  7. draw a conclusion4.1)        To tell us how John Snow found the cause of cholera and the cure for it.2)        To destroy Cholera once and for all.3)        To help him find the reason of the cholera outbreak by marking the residences of all the patients.4)        Unsure; he suspected that the water pump was to blame. Thus, he needed more supporting proof.5)        Because cholera was the most deadly disease of its day.5.  keys: 1. air  2. food or water  3. marked  4. died  5.water pump  6. had not   7. moving away from Broad Street  8. cholera germs   9. handle.6.keys: 1—5: DCBEA7.keys:1)      John Snow finally proved his idea because he found an outbreak that was clearly related to cholera, collected information and was able to tie cases outside the area to the polluted water.2)      No. The map helped John Snow organize his ideas. He was able to identify those households that had had many deaths and check their water-drinking habits. He identified those houses that had had no deaths and surveyed their drinking habits. The evidence clearly pointed to the polluted water being the cause.3)      SARS and Covid-19 because they are both deadly and fatally infectious, have an unknown cause and need serious public health care to solve them urgently.8. Keys: 1. doctor  2. 19th  3.cause  4.infected with  5.hit  6.marked  7.where 8.drunk  9.pump  10.carried  11.source  12.examined  13.polluted  14.defeated   

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Unit 1 Science and Scientists

版本： 人教版 (2019)

年級： 選擇性必修 第二冊

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