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1、人教课标人教课标 高二高二 必修必修 5 Unit 11. To get some information about some famous scientists2. To understand the passage John Snow defeats “King Cholera” 3. To summarise the main idea and retell the stages for John Snows research4. To know how to protect people from infectious diseasesThere are some great sci
2、entific achievements that have changed the world. Can you name some of them? What do you know about great scientists?1. Who discovered that objects in water are lifted up by a force that helps them float?an ancient Greek mathematician & physicistArchimedes (287-212 BC)Archimedes principle阿基米德定律阿基米德定
3、律(浮力浮力)Levers(杠杆杠杆)His great findings:Give me a place to stand, and I shall move the world. ArchimedesIf 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.2. Who wrote a book explainin
4、g how animals and plants developed as the environment changed?The Origin of SpeciesCharles Darwin (1808-1882) British author It explains how plants and animals changed over time to fit in with a changing environment.He improved the first steam pump (泵泵;抽水机抽水机) and turned it into a steam engine for t
5、aking water out of mines in 1712.3. Who invented the first steam engine?Thomas Newcomen (1663-1729), British4. Who used peas to show how physical characteristics are passed from parents to their children?developed ideas on heredity (遗传学遗传学) and inherited (继承继承, 承传承传) characteristicsGregor Mendel(182
6、2-1884), Czech（捷克人）（捷克人）5. Who discovered radium?She was the first woman to win the Nobel Prize, the first person and only woman to win twice.Marie Curie (1867-1934)Polish and FrenchThe discovery of radium meant that she began a new scientific area of research.6. Who invented the way of giving elect
7、ricity to everybody in large cities?Thomas Edison (1847-1931) American inventorInventions:Phonograph 留声机留声机Light bulb电灯泡电灯泡Motion picture camera电影摄影机电影摄影机7. Who was the painter that studied dead bodies to improve his painting of people?Leonardo da Vinci (1452-1519), Italian artistmasterpieces 8. Who
8、 invented a lamp to keep miners safe underground?Sir Humphry Davy (1778-1829), British the safe lamp for miners9. Who invented the earliest instrument to tell people where earthquakes happened?invented the first seismograph地动仪地动仪Zhang Heng (78-139), Chinese10. Who put forward a theory about black ho
9、les?worked on astronomy and studied black holes in spaceStephen Hawking (1942-2018)British scientistHe has shown that black holes do not only absorb everything around them but, from time to time, throw out matter as well.put forward 提出提出e.g. He put forward a valuable suggestion at the meeting. Josh
10、put forward a plan for an outing this weekend.【拓展【拓展】我们在以前还学过表示我们在以前还学过表示“提出提出”的短语，它们的短语，它们是是 _ 和和come up with。bring up常见的常见的put短语还有：短语还有：put away 收起来；存蓄收起来；存蓄put off 推迟，延期推迟，延期put on 穿上，戴上；上演穿上，戴上；上演put out 使熄灭；生产；出版使熄灭；生产；出版put through 接通电话；使经历；使通过接通电话；使经历；使通过put up 举起；修建；张贴举起；修建；张贴选用以上短语的适当形式填空。选
11、用以上短语的适当形式填空。1) The suggestion _ by Mr. Wang at yesterdays meeting was a wonderful one.2) They decided to _ the picnic because of the rain.put forward put off返返回回11. Who discovered artemisinin (also known as qinghaosu)?Tu Youyou (1930-)Chinese scientistShe is the first Chinese Nobel laureate in phys
12、iology or medicine and the first female citizen of the Peoples Republic of China to receive a Nobel Prize in any category,as well as the first Chinese person to receive the Lasker Award (拉斯克医学奖拉斯克医学奖美美国最具声望的生物医学奖项国最具声望的生物医学奖项).1. Do you know how to prove a new idea in scientific research? Discuss in
13、 small groups the stages in setting out a new scientific idea. What order would you put them in?Draw a conclusionThink of a methodCollect resultsMake a questionFind a problemAnalyse the resultsFind supporting evidencePlease put the 7 stages in right order according to the passage. Draw a conclusionT
14、hink of a methodCollect resultsMake a questionFind a problemAnalyse the resultsFind supporting evidenceHow to prove a idea 2. What do you know about infectious diseases? What do you know about cholera?Cholera is the illness caused by a bacterium (细菌细菌) called Vibrio cholerae. It infects peoples inte
15、stines (肠肠), causing diarrhea (腹泻腹泻), vomiting and leg cramps(腿腿抽筋抽筋). People even die quickly from a loss of liquid. Seven cholera pandemics have occurred in the past 200 years. Lets take the third cholera pandemic (霍乱大流行霍乱大流行) (18521860) as an example to see its “power”.Place Deaths Russiaone mill
16、ion1858-1860Tokyo, Japan100,000 200,0001854Chicago3,50018531854London10,73918541855Spainover 236,000Mexico200,000Because of some scientists great efforts now the cholera is not as serious as that time. Do you know whom we should thank?John Snow.3. Look at the picture, the map and the title and predi
17、ct the content of the reading passage. Then skim it quickly to see if you are right.John SnowRead the passage quickly and complete the main idea of it.The text is mainly about how John Snow _.defeated choleraSkim the passage and find the number below and the relevant happening in the passage.Two the
18、oriesIn 1854500,10The first suggested that cholera multiplied in the air. The second suggested that people absorbed this disease into their bodies with their meals.Another outbreak hit London.More than 500 people had died in 10 days.16, 37, 38 and 4020, 21; 8, 97These number in Broad Street near the
19、 water pump had many of the death.20 and 21 Broad Street and 8 and 9 Cambridge Street had no deathsThey didnt drink the water from the Broad Street pump.These families worked in the pub at 7 Cambridge Street.Read the passage and number these events in the order that they happened._ John Snow began t
20、o 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
21、water pump._ He had the handle removed from the water pump.12345678Read the text “John Snow Defeats King Cholera” carefully, and fill in the blanks.HowJohnSnowdefeats“King Cholera”aFind a problemWhat cause cholera?Thousands of people died of cholera, but nobody knew the 1. _ of the serious disease.M
22、ake a questionWhich theory is correct?Theory one: Cholera 2. _ in the air and floated around until it found its victims.Theory two: The disease went into peoples bodies through their 3. _.Think of a methodCollect data on those who were ill or died and where they got their water.cause multipliedmeals
23、 Collect informationHe 4. _ on a map the places where dead people had lived. He found many of the deaths were near the 5. _ in Broad Street. He discovered people who hadnt drunk the water werent sick.Analyse the resultsHe looked into the 6. _ of the water to see if the cause was the water from the p
24、ump.marked water pumpsource Find supporting evidencePeople died of cholera after drinking the polluted water.Draw a conclusionPolluted water carried the 7. _. The source of all the water supplies should be 8. _.virus examinedMany deaths happened here.No death happened here.The water from the pump wa
25、s to blame.Public houseClue: free beer from public houseResult:The water came from the river which had been polluted by the dirty water from London.Read the passage and answer these questions.1. John Snow believed Idea 2 was right. How did he finally prove it?John Snow finally proved his idea becaus
26、e he found an outbreak that was clearly related to cholera, collected information and was able to tie cases outside the area to the polluted water.2. Do you think John Snow would have solved this problem without the map? Give a reason.No. The map helped John Snow organize his ideas. He was able to i
27、dentify those households that had many deaths and had no deaths and check their water-drinking habits. The evidence clearly pointed to the polluted water being the cause.Below is a summary of the text with some words missing. Choose the words from the box and make the summary complete. Then try to r
28、etell the story to your partners.most, river, London, John Snow,companies, pump, water, sourcesNo one understood cholera and every time it came, thousands died. Queen Victorias doctor, _, wanted to find out how it was caused. When the disease came to _ again in 1854, Snow noticed that _ of the 500 p
29、eople who died had drunk water from a water pump in Broad Street. John SnowLondonmostmost, river, London, John Snow,companies, pump, water, sourcesHe concluded that the _ was to blame and found that the pumps water came from a dirty _. After he stopped people from using the _, people gradually stopp
30、ed dying. waterriverpumpmost, river, London, John Snow,companies, pump, water, sourcesSnow suggested all _ of water be checked and water _ take care not to supply people with dirty water. In this way, cholera was defeated. sourcescompaniesmost, river, London, John Snow,companies, pump, water, source
31、sCholera was a 19th century disease. What disease do you think is similar to cholera today? Why?Keep the kitchen clean.Only eat food thats been thoroughly cooked.How to protect yourself from infectious diseases?Drink boiled water.Wash hands frequently.Keep away from flies.Choose fresh food.Dispose rubbish properly.1. Find more information about John Snow and cholera. 2. 发挥想象，连词成文发挥想象，连词成文(50-100字字)。 expert, physician, absorb, enquiry, severe, foresee, pollute, link to , announce, instruct.