英语：Unit1《Great_Scientists》课件Warming_up(新人教版必修5).ppt

1、ks5u精品课件,UNIT 1 GREAT SCIENTISTS,ks5u精品课件,Do you remember them?,I put forward the theory about black holes.,Im the father of super hybrid rice,ks5u精品课件,Presentation:,ks5u精品课件,Who is he?,He has made a famous kite experiment.,He learned a lot from it and invented lightning rod(避雷针).,He is ,Benjamin Fr

2、anklin,Never leave that until tomorrow, which you can do today.,今日事,今日毕.,ks5u精品课件,Who is he?,He is called the greatest scientist in the 20th century.,He is famous for the Theory of Relativity.,He is ,Albert Einstein,Imagination is more important than knowledge,想象力比知识更重要.,imaginative,ks5u精品课件,Who is

3、he?,He invented electric bulbs.,He made more than 1,000 inventions during his life.,He is ,Thomas Alva Edison,Thomas Alva Edison,Genius is one percent inspiration and ninety-nine percent perspiration.,天才就是百分之九十九的汗水加上百分之一的灵感.,ks5u精品课件,Who is she?,She is a woman scientist.,She discovered radium(镭)and

4、polonium(钋).,In her life, she won the Nobel Prize twice.,She is ,Marie Curie,Nothing in life is to be feared. It is only to be understood.,生活中没有什么可怕的东西,只有需要理解的东西.,ks5u精品课件,Who is he?,He made the first telescope( 望远镜)in the world.,His observations show that the earth moves around the sun.,He is ,Gali

5、leo Galilei,You cannot teach a man anything. You can only help him find it within himself.,你不可能把一切都教给一个人， 你只能帮助他从内心去发现（和了解）事物。,do sth. on ones own initiative,自主,主动,ks5u精品课件,Do you know other famous scientists? What are they famous for?,Charles Darwin,Stephen Hawking,Zhang Heng,Discussion:,Sir. Issac

6、 Newton,ks5u精品课件,1.Which scientist discovered that objects in water are lifted up by a force that helps them float?(浮力定理),Archimedes(阿基米德) (287-212 BC) an ancient Greek mathematician & physicist,ks5u精品课件,2.Who wrote a book explaining how animals and plants developed as the environment changed?,Charl

7、es Darwin (1808-1882)进化论 British author of The Origin of Species,ks5u精品课件,3.Who invented the first steam engine?,Thomas Newswomen纽可门 (1663-1729) British, invented a steam engine. James Watt improved it and turned it into the first modern steam engine used on the railways.,ks5u精品课件,4.Who used peas to

8、 show how physical characteristics are passed from parents to their children?遗传学,Gregor Mendel孟德尔 (1822-1884) Czech (捷克人),ks5u精品课件,5.Who invented the way of giving electricity to everybody in large cities?,Thomas Edison (1847-1931) an American inventor,ks5u精品课件,The Inventions of Thomas Edison,Phonog

9、raph (留声机) fn,grf,Lightbulb(电灯泡),Motion Pictures(电影),ks5u精品课件,6.Who was the painter that studied dead bodies to improve his painting of people?,Last Supper,Mona Lisa,Leonardo da Vinci (1452-1519) Italian artist,ks5u精品课件,7.Who invented a lamp to keep miners safe underground?,Sir Humphry Davy汉弗来.戴维爵士

10、(1778-1829)British,Miniature(小型的) Miners Safety Lamp矿工安全灯,ks5u精品课件,Zhang Heng,seismograph,Who invented the earliest instrument to tell people where earthquakes happened?,ks5u精品课件,Stephen Hawking,Back,Who put forward a theory about black holes?,ks5u精品课件,Brainstorming,ks5u精品课件,Brainstorming,made a gre

11、at contribution made great achievements succeeded in their scientific career overcome many difficulties,ks5u精品课件,Reading,ks5u精品课件,Pre-reading:,ks5u精品课件,infectious diseases : They can be spread to other people. They have an unknown cause. They are difficult to cure. They need public health care to so

12、lve them.,Pre-reading:,ks5u精品课件,Skimming:,Who was the great scientist in the passage and what was the deadly disease of its day?,John Snow cholera,ks5u精品课件,Cholera: It begins in the stomach and a severe case can lead to death without immediate treatment. And the victims died very quickly from a loss

13、 of liquid(液体)after severe vomiting(呕吐) and diarrhea(腹泻).,ks5u精品课件,Comprehension,Whats the general idea of the text? John Snow was a famous doctor and he gave two theories about how cholera was spread. John Snow , a famous doctor, who tested the two theories, found the cause of cholera and how to co

14、ntrol it. John Snow, as a famous doctor, warned people not to drink the polluted water. John Snow and his two famous theories about cholera were great.,ks5u精品课件,2. Which of the following sentences is NOT true about John Snow? John Snow attended Queen Victoria as her personal physician. John Snow was

15、 so kind that he wanted to help the ordinary people to get rid of cholera. John Snow marked on a map where all the dead people had lived, but it was of no use. John Snow proved that cholera was spread by germs and not in a cloud of gas.,ks5u精品课件,3. John Snow discovered that some houses had had no de

16、aths because_.(4) people in these houses were strong and healthy. people in these houses didnt drink beer or water. people in these houses were all famous doctors and knew how to protect themselves. people in these houses were given free beer and hadnt drunk the polluted water.,ks5u精品课件,4. What made

17、 John Snow find the cause of cholera? Kindness, carefulness and good observation. Strong determination, patience and selfishness. His wife was affected by cholera. Queen Victoria ordered him to do this.,ks5u精品课件,Match the main idea of each paragraph.,Para 1 Para 2 Para 3 Para 4 Para 5 Para 6 Para 7,

18、a famous doctor and kind to help the ordinary people with cholera how to prevent cholera from happening to test the two theories the polluted source of the water was the reason. interested in two theories a valuable clue about the cause on a map to announce certainly that polluted water was the real

19、 reason,ks5u精品课件,Careful Reading:,John Snow was an doctor in London who Queen Victoria as her personal . He thought about helping ordinary people to cholera. Though the cause and the of it were unknown, he wanted to face the and solve the problem.,para.1,expert,attended,physician,exposed,cure,challe

20、nge,ks5u精品课件,Careful Reading:,What were the two theories about the cause of cholera? Which did John Snow want to prove? What was his method of doing the research?(17),multiplied victims absorb,The second one.,To gather information in two particular streets.,para.2&3,ks5u精品课件,Careful Reading:,para.4,What did he do with the results of his enquiry? What valuable clue did he get about the cause of the disease? What might be the cause?,Marked on a map,Many of the deaths had