高中英语 Unit1 Great Scientists课件4 新人教必修5.ppt

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1、Unit 1 Great Scientists Unit 1 Great Scientists 2021/8/11 星期三1Archimedes 阿基米德阿基米德Charles Darwin达尔文达尔文Thomas Newcomen 纽可门纽可门2021/8/11 星期三2Marie Curie 居里夫人居里夫人Gregor Mendel 门德尔门德尔Leonardo da Vinci 达芬奇达芬奇2021/8/11 星期三3Humphry Davy 汉弗莱汉弗莱 戴维戴维Stephen Hawking 斯帝芬斯帝芬 霍金霍金Thomas Edison2021/8/11 星期三41.Which

2、 scientist discovered that objects in water are lifted up by a force that helps them float?B.ArchimedesC.Thomas EdisonA.Charles Darwin2021/8/11 星期三52.Who wrote a book explaining how animals and plants developed as the environment changed?A.Marie CurieC.Charles DarwinB.Gregor Mendel2021/8/11 星期三63.Wh

3、o invented the first steam engine?A.Thomas NewcomenC.Thomas EdisonB.Archimedes2021/8/11 星期三74.Who used peas to show how physical characteristics are passed from parents to their children.A.Thomas EdisonC.ArchimedesB.Gregor Mendel2021/8/11 星期三85.Who discovered radium?A.Marie CurieC.NewtonB.Zhang Heng

4、2021/8/11 星期三96.Who invented the way of giving electricity to everybody in large cities?A.Stephen Hawking C.Thomas EdisonB.Archimedes2021/8/11 星期三107.Who was the painter that studied dead bodies to improve his painting of people?A.Gregor MendelC.Marie CurieB.Leonardo da Vinci 2021/8/11 星期三118.Who in

5、vented a lamp to keep miners safe underground?A.Sir Humphry Davy C.FaradayB.Thomas Newcomen2021/8/11 星期三129.Who invented the earliest instrument to tell people where earthquakes happened?A.Charles DarwinC.Watt B.Zhang Heng2021/8/11 星期三1310.Who put forward a theory about black holes?A.Stephen Hawking

6、C.CopernicusB.Archimedes2021/8/11 星期三14similaritiescareful hard-workingstrictpositivetalentedcreativebrightstrong-willed2021/8/11 星期三15What should scientists do to prove a new idea in scientific research?Pre-readingDraw a conclusion Think of a method Collect results Make up a question Find a problem

7、 Analyse the results Repeat if necessary2021/8/11 星期三16What order would you put the seven in?Find a problem Make up a question Think of a method Collect results Analyse the results Repeat if necessary Draw a conclusion 2021/8/11 星期三17What impress you most in 2003?infectious2021/8/11 星期三18What other

8、infectious diseases do you know?For example:When you eat some seafoodYou feelMaybe you have got _.Cholera2021/8/11 星期三19John Snow2021/8/11 星期三20John Snow defeats“King cholera”Reading2021/8/11 星期三21Who defeats“King Cholera“?How many theories did John Snow got interested in?What happened in 1854?Why w

9、as there no death at No.20 and 21 Broad Street aswell as at No.8 and 9 Cambridge Street?John SnowAnother Cholera outbreak hit London.These families had not drunk the water from the Broad Street pump.two2021/8/11 星期三22Steps:What/How?1.Find a problem2.Make up a question3.Think of a method4.Collect res

10、ultsJohn Snow Defeats“King Cholera”What causes cholera?Which theory is correct?Gather information when another Cholera hit London in 1854.He marked on a map where all the dead people had lived.2021/8/11 星期三236.Find supporting evidence7.Make a conclusion5.Analyse resultsLooked into the source of the

11、water.Two other deaths.The water is to blame.The source of all drinking water should be examined.2021/8/11 星期三24Scientific Reportby John SnowThe problemThe causeIdea 1:Idea 2:The methodNobody knew the cause of the serious disease of choleraa strange cloud of gas attacked people.people absorbed the d

12、isease with mealsgather information from cholera outbreak2021/8/11 星期三25The resultsIdea 1 or 2?Why?The conclusionHe found the cause of cholera was the polluted waterIdea 2.Because the information showed that the dirty water carried choleraHe defeated cholera by examining the water supply and dealing

13、 with the polluted water 2021/8/11 星期三26John Snow finally proved the theory he believed by_.A.gathering information with the help of a mapB.looking into the source of the water for Broad Street and Cambridge StreetC.separating those who suffered cholera from those who didnt D.both A and B2021/8/11 星

14、期三27Read the passage again and fill in the blanks:John Snow was a well-known _ in London in the _ century.He wanted to find the _ of cholera in order to _ it.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 wh

15、o 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 _ with polluted water be found.Finally,“King Cholera”was defeated.doctor19thcausedefeatbrokemarkedpumpsourceexamineddealing (in 5 minu

16、tes)2021/8/11 星期三28Discussion:Discuss the following questions in groups of four.1.2.3.Cholera was a 19th century disease.What disease do you think is similar to cholera today?John Snow believed Idea 2 was right.How did he finally prove it?Do you think John Snow would have solved this problem with-ou

17、t the map?Give a reason.2021/8/11 星期三29 Two diseases,which are similar today,are SARS and AIDS because they are both very serious,have an unknown cause and public health care to solve them.John Snow finally proved his idea because he found an outbreak that was clearly related to cholera,collected in

18、formation and was able to tie cases outside the area to the polluted water.Keys1.2.2021/8/11 星期三30 No.The map helped John Snow organise his ideas.He was able to identify those households that had had many deaths and check their water-drinking habits.He identified those houses that had had no deaths

19、and surveyed their drinking habits.The evidence clearly pointed to the polluted water being the cause.3.2021/8/11 星期三31Lets have a competition!Extension2021/8/11 星期三32Speaking activityDiscuss in groups of four,which field do you want to contribute yourself to in the future?One takes down the groupmates opinions,after that,report the groupmates opinions to the whole class.2021/8/11 星期三332021/8/11 星期三34