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Unit 1 Great scientists

Unit 1 Great scientists. What happened?. Severe Acute Respiratory Syndrome. 严重急性呼吸道综合症. Is it terrifying?. Now please talk with your neighours: What did you do facing SARS? How about others? And what should be done?. Disinfection. Hygiene( 卫生保健 ). Mask. Who can help us?.

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Unit 1 Great scientists

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  1. Unit 1 Great scientists

  2. What happened? Senior 2 English Group

  3. Severe Acute Respiratory Syndrome • 严重急性呼吸道综合症 Senior 2 English Group

  4. Is it terrifying? • Now please talk with your neighours: • What did you do facing SARS? How about others? • And what should be done? Senior 2 English Group

  5. Disinfection Senior 2 English Group

  6. Senior 2 English Group

  7. Hygiene(卫生保健) Senior 2 English Group

  8. Mask Senior 2 English Group

  9. Who can help us? Senior 2 English Group

  10. Heroes-- Scientist Senior 2 English Group

  11. Do you know other scientists? • Try your best. And discuss with your neighbours. The more, the better. • The following is a quiz and let’s find out who knows the most. Senior 2 English Group

  12. Quiz 1 • Which scientist discovered that objects in water are lifted up by a force that helps them float? Senior 2 English Group

  13. Archimedes • Ancient Greek (287-212BC) • He was a mathematician. He found that if you put an object into water, the water pushes the object up. It rises and partly floats. The force of the water pushing it up is the same as the weight of the object. • buoyancy Senior 2 English Group

  14. Quiz 2 • Who wrote a book explaining how animals and plants developed as the environment changed? Senior 2 English Group

  15. Charles Darwin • Britain (1808-1882) • The Origin of Species Senior 2 English Group

  16. Quiz 3 • Who invented the first steam engine? Senior 2 English Group

  17. Thomas Newcomen • British (1663-1729) Senior 2 English Group

  18. Quiz 4 • Who used peas to show how physical characteristics are passed from parents to their children? Senior 2 English Group

  19. Gregor Mendel Czech (1822-1884) Senior 2 English Group

  20. Quiz 5 • Who discovered radium? Senior 2 English Group

  21. Marie Curie • Polish and French (1867-1934) Senior 2 English Group

  22. Quiz 6 • Who invented the way of giving electricity to everybody in large cities? Senior 2 English Group

  23. Thomas Edison • American (1847-1931) Senior 2 English Group

  24. Quiz 7 • Who was the painter that studied dead bodies to improve his painting of people? Senior 2 English Group

  25. Leonardo da Vinci • Italian (1452-1519) Senior 2 English Group

  26. Quiz 8 • Who invented a lamp to keep miners safe underground? Senior 2 English Group

  27. Sir Humphry Davy • British (1778-1829) Senior 2 English Group

  28. Quiz 9 • Who invented the earliest instrument to tell people where earthquakes happened? Senior 2 English Group

  29. Zhang Heng • Chinese (78-139) Senior 2 English Group

  30. Quiz 10 • Who put forward a theory about black holes? Senior 2 English Group

  31. Stephen Hawking • British (1942-) Senior 2 English Group

  32. Is SARS terrifying? • Cumulative number of cases all over the world - 8096 • 774 of which died • Case fatality ratio (%) 9.4 • http://www.who.int/csr/sars/country/table2004_04_21/en/index.html Senior 2 English Group

  33. Are there more terrifying infectious diseases? Senior 2 English Group

  34. There is a disease! Senior 2 English Group

  35. That’s cholera! • Who helped the people to defeat cholera? Senior 2 English Group

  36. John Snow • British ( 1813~ 1858) • a legendary(传说中的) figure in the history of public health, epidemiology（流行病学） and anesthesiology（麻醉学） Senior 2 English Group

  37. Now, please think: • How did he help ordinary people exposed to cholera? Senior 2 English Group

  38. Scientific Report • Do you know how to prove a new idea in scientific idea in scientific research? Can you list some stages? • Discuss in small group. Senior 2 English Group

  39. Stages • Draw a conclusion • Think of a method • Collect results • Make up a question • Find a problem • Analyse the results • Repeat if necessary Senior 2 English Group

  40. Read John Snow Defeats “King Cholera” on Page 2, and put the stages in a right order. Senior 2 English Group

  41. Paragraphs & Stages Find a problem What cause cholera? Make up a question Which theory is true? Collect data… Think of a method Collect results Plot information… Analyse the results Analyse the water Find other evidence Repeat if necessary The water is … Draw a conclusion Senior 2 English Group

  42. Skimming 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 did John Snow collect, analyze data and find the cause of the disease and solved it . Senior 2 English Group

  43. Read and answer: • Paragraph 1: • True or false:King Cholera is the deadly disease.John Snow thought cholera would never be controlled. • What’s the topic sentence? F F John Snow wanted to use his knowledge to help solve this problem. Senior 2 English Group

  44. Paragraph 2 • What’s the two theories? In your words. • Which one is more reasonable? Senior 2 English Group

  45. Paragraph 3 • What’s his method? • What’s 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. Senior 2 English Group

  46. Paragraph 4 • When the cause was found, what did the people do？ Remove the handle from the water pum so it could not be used. Senior 2 English Group

  47. Paragraph 5 • What ‘s the extra evidence? • 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. Senior 2 English Group

  48. Paragraph 6 • What are John Snow’s suggestions? The source of all water supplies should be examined. New methods of dealing with polluted water should be found. The water companies were also instructed not to expose people to polluted water anymore. Senior 2 English Group

  49. How did John Snow finally defeat Cholera? As the disease spread quickly, ______ _______________________He marked on a map where all the dead people had lived, ___________________and found out _________________ was the cause. Then he suggested that the source of all drinking water______________ John began to gather information: analyze all evidences the pollutedwater must be examined. Senior 2 English Group

  50. What disease is similar to cholera? • Cholera was a 19th century disease. What disease do you think is similar to cholera today? SARS and AIDS. They are both very serious, have unknown cause and need public health care to solve them. Senior 2 English Group

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