人教版必修五Unit1-Great-scientists-Readingppt课件.ppt

人教版高中英语必修五人教版高中英语必修五Do you know any kind of science?•math/maths/mathematics, •physics, chemistry, biology, biochemistry,•geography, astronomy, medical science,•psychology, economy, … Warming up Warming up 1:1: Scientists people who work on scienceWho is the scientist?He is … Archimedes (阿基米德阿基米德)He discovered that objects in water are lifted up by a floating force.Warming up Warming up 2:2:You can tell the names in Chinese if you don’t know their English names.He is … He wrote a book explaining how animals and plants developed as the environment changed.Who is he?Charles Darwin.He is … He used peas to show how physical characteristics are passed from parents to their children?Who is he?Gregor MendelWho is he?He is … He invented the long-living bulb and the way of giving electricity to everybody in large cities.Thomas EdisonWho is he?He is … He put forward a theory about black holes. Stephen HawkingWho is he?He did research in astronomy, and is father of Missile in China.He is Qian Xuesen. Who is he?NicolausCopernicusHe believed the sun is the center of the universe and the earth and other planets goes around it. He is …John SnowJohn Snow(1813-1858) John Snow was born in York on March 15th, 1813. YorkLondonHe graduated M.D. of the University of London on 20 Dec. 1844. Dr. Snow was also a prominent anesthesiologist(麻醉师麻醉师).He designed a chloroform inhaler(氯仿吸入器氯仿吸入器).What was he most famous for?•Question 1: What is cholera?•Question 2: How did John Snow defeat “King Cholera? Reading (P2)GermanyGreat BritainLondonThe spread of cholera 1831 1831年至年至18321832年，英国爆发霍乱，年，英国爆发霍乱，造成约造成约2.2 2.2 万人死亡。

万人死亡1848 1848 年霍乱年霍乱再次发生，死亡人数超过再次发生，死亡人数超过7.27.2万 draw a conclusionthink of a methodcollect resultsmake a questionfind a problemanalyse the resultsFind supporting evidence7 stages in scientific research What’s the right order of the 7 stages?a medicalscientistStage 1Find a problemA large number of people died of cholera, but neither its 1. _______ nor its 2. _____ was understood.Stage 2 ◆◆ Theory one: Cholera 3. ___________ in the air and floated around until it found its victims.◆◆ Theory two: When people 4. ___________ cholera into their bodies with meals, their bodies were attacked.Stage 3 Began to gather information to 5. _______ that the second theory was correct.Stage 4Collect resultsMarked where the dead people had lived on a(n) 6. ______.Stage 5 Looked into the 7. ________ of the water to see if the problem was the water.Stage 6 Found supporting evidence from two other deaths: Both of them died of cholera after 8. __________.Stage 7Draw a conclusion◆◆ 9. _______________ carried the virus. ◆◆ All the water supplies should be 10. _________.cause absorbed multipliedcuremap provesource drinking the water Polluted waterexaminedMake a questionThink of a methodAnalyse the resultsFind supporting evidenceTask1：：Fast reading7 stages in scientific research 7. draw a conclusion3. think of a method4. collect results2. make a question1. find a problem5. analyze the results6. find supporting evidenceLook at the picture. Do you think John Snow would have solved this problem without the map? Give a reason.Task2. Careful reading:Broad StreetMany deaths happened here.No death happened here.The water from the pump was to blame.Public houseextra evidence: A woman and her daughter who lived far away but drank the water also died.The water was from the river which had been polluted by the dirty water from London.___ John Snow began to test two theories.___ An outbreak of cholera hit London in 1854.___ John Snow marked the deaths on a map.___ He announced that the water carried the disease.___ John Snow investigated two streets where the outbreak was very severe.___ King Cholera was defeated.___ He found that most of the deaths were near a water pump.___ He had the handle removed from the water pump.35681274Task 3. Post reading—Exercise1:Cholera was a 19th century disease. What disease do you think is similar to cholera today? Why?Exercise 2: Four diseases, which are similar today, are SARS, AIDS, bird flu and Ebola because they are serious and infectious, have an unknown cause and need public health care to solve them.Stage 1Find a problem Stage 2Make a question Stage 3Think of a method Stage 4Collect results Stage 5Analyse the results Stage 6Find supporting evidence Stage 7Draw a conclusion Further thinking: Find a problem to do a scientific research as the scientists:Further thinking: Find a problem to do a scientific research as the scientists:Problem 1: Water in Zunyi Problem 1: Water in Zunyi Xiangjiang River often Xiangjiang River often become become beer-likebeer-like after rain. after rain.Problem 2: The computer in Problem 2: The computer in our class often breaks down our class often breaks down when we are using it. when we are using it. Problem 3: Your lazy desk-mate Problem 3: Your lazy desk-mate suddenly became hard-working suddenly became hard-working and made great progress in study. and made great progress in study. Problem examples:Problem examples:Stage 1Find a problemMy baby repeatedly ran a fever last summer. It can be cured in hospital but its cause was unknown.Stage 2Make a question◆◆ Theory one: Bacteria(细菌菌) or virus existed in my baby’s living surroundings and found their victim.◆◆ Theory two: When babies are 3 years old, their immune system get adjusted (免疫系免疫系统调节) and they are easily attacked by some diseases but there’s no danger.Stage 3Think of a methodBegan to try physical treatment (物理物理疗法法) without going to hospital to test whether the second theory was right.Stage 4Collect resultsRecorded my baby’s body temperature changes and other daily behavior like eating and playing.Stage 5Analyze the resultsLooked into the records and compared them with her normal state to see if the problem was the water.Stage 6Find supporting evidenceFound supporting evidence from two other babies: Both of them easily got ill around 3 years.Stage 7Draw a conclusion◆◆ Nothing carried the virus or bacteria around my baby. ◆◆ It was a period when her immune system was adjusted and should be treated with physical methods rather than going to hospital every time.Stage 1Find a problemA large number of people died of cholera, but neither its 1. _______ nor its 2. _____ was understood.Stage 2 ◆◆ Theory one: Cholera 3. ___________ in the air and floated around until it found its victims.◆◆ Theory two: When people 4. ___________ cholera into their bodies with meals, their bodies were attacked.Stage 3 Began to gather information to 5. _______ that the second theory was correct.Stage 4Collect resultsMarked where the dead people had lived on a(n) 6. ______.Stage 5 Looked into the 7. ________ of the water to see if the problem was the water.Stage 6 Found supporting evidence from two other deaths: Both of them died of cholera after 8. __________.Stage 7Draw a conclusion◆◆ 9. _______________ carried the virus. ◆◆ All the water supplies should be 10. _________.cause absorbed multipliedcuremap provesource drinking the water Polluted waterexaminedMake a questionThink of a methodAnalyse the resultsFind supporting evidence。