人教新课标必修五Unit1 Great scientists Warming-up(共39张PPT).ppt

8. I invented a lamp to keep miners safe underground? Humphry Davy 汉弗莱 戴维 Sir Humphry Davy, British, an inventor and chemist. 9. I invented the earliest instrument to tell people where earthquakes happened. 张衡Zhang Heng, ancient China, an inventor. 10. I put forward a theory about black holes? Stephen Hawking 斯帝芬 霍金Stephen Hawking, British, a physicist. Q Answers 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Archimedes Charles Darwin Thomas Newcomen Gregor Mendel Marie Curie Thomas Edison Leonardo da Vinci Sir Humphry Davy Zhang Heng Stephen Hawking John Snow defeated “King cholera” John Snow British ( 1813~ 1858) a figure(人物) in the history of public health, epidemiology(流行病学) What do you know about cholera? Do you know how to prove a new idea in scientific research? 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 of liquid after severe vomiting(呕吐) and diarrhoea(腹泻). Do you know how to prove a new idea in scientific research? What order would you put them in? Make a conclusion Think of a method Collect results Make a question Find a problem Analyse the results Find supporting evidence ① ③ ② ④ ⑤ ⑥ ⑦ What’s the main idea of the passage? John Snow was a well-known doctor in London. The cause of Cholera was polluted water. The source of all drinking water should be examined. How John Snow collected, analyzed data and found the cause of the disease and solved it . Fast reading Task 2:Scan 2.What was the original source of the disease of “King Cholera”______. A.A cloud of dangerous gas. B. The spreading of virus among people C. Water in a certain pump in London D.A river polluted by the dirty water 3.Why did No. 21 Broad Street in London have no deaths? A. The people just drank the water from the pump B. They drank beer as well as water from the pump C. They didn’t absorb the dangerous air. D. They suf