Unit1Greatscientists-Warmingup&Reading新人教必修五[课件].ppt

Warming up&ReadingBook 5,Unit 1What do they have in common?They are scientists Unit 1Unit 1Great Scientists What do you know about them ?Let’s have a competition!Warm up1.Which scientist discovered that objects in water are lifted up by a force that helps them float?B. ArchimedesC. Thomas EdisonA. Charles DarwinArchimedes“Give me a place to stand on, and I can move the earth.”“给我一个支点，我就可以翘起整个地球.”2. Who wrote a book explaining how animals and plants developed as the environment changed?A. Marie CurieC. Charles DarwinB. Gregor MendelCharles Darwin.Origin of Species《《物种起源物种起源》》3.Who invent the first steam engine?A. Thomas NewcomenC. Thomas EdisonB. Archimedes4. Who used peas to show how physical characteristics are passed from parents to their children.A. Thomas EdisonC. ArchimedesB. Gregor Mendel5. Who discovered radium?A. Marie CurieC. NewtonB. Zhang Heng6.Who invented the way of giving electricity to everybody in large cities?A. Stephen Hawking 　　C. Thomas EdisonB. Archimedes7.Who was the painter that studied dead bodies to improve his painting of people?A. Gregor MendelC. Marie CurieB. Leonardo da Vinci 　　Leonardo da VinciMona Lisa8. Who invented a lamp to keep miners safe underground?A. Sir Humphry Davy 　　C. FaradayB. Thomas Newcomen9. Who invented the earliest instrument to tell people where earthquakes happened?A. Charles DarwinC. Watt B. Zhang HengZhang Heng (78-139)SeismographSeismograph地震仪地震仪10.Who put forward a theory about black holes?A. Stephen HawkingC. CopernicusB. ArchimedesStephen Hawking (1942--) British, a physicistBlack hole 遗传学遗传学 电电浮力定理浮力定理 镭镭进化论进化论 画家画家 蒸汽机蒸汽机矿工安全灯矿工安全灯黑洞理论黑洞理论地动仪地动仪阿基米德阿基米德 Archimedes达尔文达尔文 Charles Darwin纽科文纽科文 Thomas Newcomen孟德尔孟德尔Gregor Mendel居里夫人居里夫人Marie Curie爱迪生爱迪生Thomas Edison达芬奇达芬奇Leonardo da Vinci汉弗来汉弗来.戴维爵士戴维爵士Sir Humphry Davy张衡张衡Zhang Heng斯蒂芬斯蒂芬.霍金霍金 Stephen HawkingDo you know other scientists?Discussion1.Who invented the first modern steam engine?James Watt (瓦特瓦特)2.Who is the father of super hybrid rice?Yuan Longping3.Who discovered the force of gravity? Newton 4.Who put forward the Theory of Relativity（相对论）（相对论）?EinsteinEinstein5. Do you know who defeated “King Cholera”?John Snow约翰约翰.斯诺斯诺Speaking Who is your favorite scientists? Why ?Reading It infects people’s intestines(肠道肠道), causing diarrhoea(腹泻腹泻), vomiting(呕吐呕吐) and dehydration(脱水脱水) When diseases break out, what should people do?What’s the main idea of the passage?A.John Snow was a well-known doctor in London.B.The cause of Cholera was polluted water.C.The source of all drinking water should be examined.D.How did John Snow collect, analyze data and find the cause of the disease and solved it .Fast-readingFind out themain idea of each paragraph.para.1 Deadly disease: cholera outbreak in Londonpara.2 Two possible theories para.3 Look for evidencepara.4 Mark information on a map to find out where people died or did not diepara.5 Analyse the water para.6 Find other supporting evidencespara.7 The polluted dirty source of drinking water was to blameWhat is the passage about ?Scientific researchUse the seven stages in examining a new scientific idea to describe each paragraph and put the 7 stages in order.Scanning John Snow defeats “King cholera”Do you know what was this map used for in 1854?Finding out the cause of Cholera.•What happened in 1854?•How many people died in 10 days?•Why is there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street?Task 1:Skim and Scan1. What happened in 1854?2. How many people died in 10 days?Cholera outbreak hit London.5003. Why is there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street?These families had not drunk the water from the Broad Street pump.Task 2detailed readingRead and answer:Paragraph 1:1 Why couldn’t the cholera be under control at first? Neither its cause, not its cure was understood.•True or false:1. John Snow was glad to help ordinary people. 2. John Snow thought cholera would never be controlled.TFParagraph 2•What’s the two theories? In your words.•Which one is more reasonable? John Snow finally proved the theory he believed by ________. A. gathering information with the help of a map B. looking into the source of the water for Broad Street and Cambridge Street C. separating those who suffered cholera from those who didn’t D. both A and B E. both A and CParagraph 3&4Paragraph 3&4•What’s the result?He found the cause of cholera was the polluted water.Paragraph 5•When the cause was found, what did the people do？？Remove the handle from the water pump so it could not be used.Paragraph 6•What ’s the extra evidence?Two other deaths in another part of London that were linked to the Broad Street outbreak.Paragraph 7•What are John Snow’s suggestions?①① The source of all water supplies should be examined.②② New methods of dealing with polluted water should be found.③③ The water companies were also instructed not to expose people to polluted water anymore.ParagraphGeneral ideasStages1Find a problem Deadly disease: cholera outbreak in London23Make a question Two possible theory Think of a method Gather information about where people were ill and died and where they got their water 45Collect results Mark information on a map to find out where people died or did not die Analyse results Analyse the water to see if that is the cause of the illness. 67Find supporting evidenceFind other evidences to support his conclusion Make a conclusion The polluted dirty source of drinking water was to blame for the cause of the London cholera. Summary:John Snow was a well-known ____ in London in the ___ century. He wanted to find the ______ of cholera in order to help people ______ to cholera. In 1854 when a cholera ____ out, he began to gather information. He _____ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the ______ died. So he decided that the polluted water carried cholera. He suggested that the _____ of all water supply be _______ and new methods of dealing with polluted water be found. Finally, “King Cholera” was defeated.doctor19thcauseexposedbrokemarkedpumpsourceexamined。