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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,UNIT 1 GREAT SCIENTISTS,Great scientists,What great scientists,do you know,Do the quiz and see who knows the most about great scientists.,Warming up,Quiz 1,Which scientist discovered that objects in water are lifted up by a force that helps them float,Archimedes,阿基米德,(ancient Greek),Give me a place to stand on, and I can move the earth.,Quiz 2,Who wrote a book explaining how animals and plants developed as the environment changed,Charles Darwin 达尔文(British),“The Origin of Species,Quiz 3,Who invented the first steam engine,Thomas Newcomen,(1663-1729) British,托玛斯,纽科门,Newcomen,s,steam engine,It was he who invented a steam,engine. James Watt,improved,it and turned it into the first modern steam engine used on the,railways.,Quiz 4,Who used peas to show how physical characteristics are passed from parents to their children,Inheritance遗传,Gregor Mendel,门德尔,(1822-1884) Czech (,捷克,),Quiz 5,Who discovered radium,The Only person ever to receive two Nobel Prizes , one in physics and the other in chemistry.,Marie Curie (Polish),Pierre Curie,Quiz 6,Who invented the way of giving electricity to everybody in large cities,Thomas Edison,Thomas Edison,Phonograph 留声机,lightbulb,电灯泡,Motion Pictures 电影,American (1847-1931),Quiz 7,Who was the painter that studied dead bodies to improve his painting of people,Leonardo da Vinci,达芬奇,The Last Supper,Italian,(1452-1519),Mona Lisa,Quiz 8,Who invented a lamp to keep miners safe underground,The safety,lamp,invented by him , also called the Davy,lamp,Humphry Davy (British ),汉弗莱 戴维,Quiz 9,Who invented the earliest instrument to tell people where earthquakes happened,seismograph,Zhang Heng,Chinese (78-139),Quiz 10,Who put forward a theory about black holes,Stephen Hawking 斯帝芬,霍金,British (1942-),The theory about,black holes,Do you know how to prove a new idea in scientific research,Pre-reading,draw a conclusion,think of a method,collect results,make a question,find a problem,analyse the results,Find supporting evidence,Please put the,7 stages,in right order.,1.Find a problem (发现问题),2.Make a question (形成研究主题),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.Find supporting evidence (找证据),7.Draw a conclusion (得出结论),Stages:,Examples in this investigation,1.Find a problem,2.Make a question,3.Think of a method,4.Collect results,John Snow Defeats “King Cholera,What is the problem,What is the cause (para 1),Which theory is correct (para 2),Collect data on those who were ill or died and where they lived. (para 3),Mark information on a map to find out where people died or did not die. (para 4),6. Find supporting evidence,7.Make a conclusion,5.Analyse results,Find out where they got their water. Analyse the water to see if that is the cause of the illness. (para 5),Find other evidence to make sure the conclusion. (para 6),The water is to blame. The source of all drinking water should be examined.(para 7),Read and answer:,Paragraph 1:,1. King Cholera is the deadly disease.,2. John Snow thought cholera would,never be controlled.,(F),(F),John Snow wanted to face the challenge and solve the problem.,Paragraph 2&3,1. What are the two theories,2. Which one is more reasonable,Paragraph 4,1.Whats his method,2.Whats the result,Collect data from the next cholera attack to test theories. Try to prove which method was correct.,He found the cause of cholera was the polluted water.,Paragraph 5,When the cause was found, what did the people do？,Remove the handle from the water pump so it could not be used.,Paragraph 6,1. Whats the extra evidence,2. Why could the polluted water carry the disease,Two other deaths in another part of London that were linked to the Broad Street outbreak.,Because cholera was spread by germs and germs can be carried by the polluted water.,Paragraph 7,What are John Snows suggestions,The source of all water supplies should be examined.,2) The water companies were also instructed not to expose people to polluted water any more.,
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