book5unit1reading1省公共课一等奖全国赛课获奖课件.pptx

Unit 1 Great Scientists第1页Warming and pre-reading1.Who discovered that objects in water are lifted up by a force that helps them float?2.Who wrote a book explaining how animals and plants developed as the environment changed?ArchimedesCharles Darwin第2页3.Who invented the first steam engine?Thomas Newcomen4.Who used peas to show how physical characteristics are passed form parents to their children?Gregor Mendel第3页5.Who discovered radium?6.Who invented the way of giving electricity to everybody in large cities?7.Who was the painter that studied dead bodies to improve his painting of people?Maries CurieThomas EdisonLeonardo da Vinci第4页8.Who invented a lamp to keep miner safe underground?9.Who invented the earliest instrument to tell people where earthquakes happened?10.Who put forward a theory about black holes?Sir Humphrey DavyZhang HengStephen Hawking第5页draw a conclusion Think of a method Collect results Make a questionFind a problem Analyse the results Find supporting evidence How to prove a new idea in scientific research?What order would you put the seven in?第6页Do you know John Snow?Do you know what kind of disease is cholera?John Snow is a well-known doctor in the 19th century in London and he defeated“King Cholera”.It is a kind of terrible disease caused by drinking dirty water and it caused a lot of deaths in the old times and it was very difficult to defeat.第7页Lets get to know how Dr.John Snow defeated“King Cholera”in 1854 in London in this reading passage:John Snow Defeats“King Cholera”第8页Do you know what did this map was used for in 1854?Finding out the cause of Cholera.第9页Who defeats“King Cholera“?What happened in 1854?1.Whats the main idea of the passageA.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 John SnowCholera outbreak hit London.Task 1:Skim and Scan第10页Task 2:Read and answer1)The passage mainly tells us that _A.the cause of cholera was polluted water.B.John Snow was a well-known doctor in London.C.the source of all drinking water should be examined.D.John Snow did some research and helped to defeat“King Cholera”2)Why was cholera called“King Cholera”in the text?A.Because cholera caused many deaths.B.Because it got its name from Queen Victoria.C.Because cholera was the most deadly disease of its day.D.Because it was defeated with the help of the king.第11页3)People thought that cholera spread _ before John Snows research.A.in the air B.by the birds C.in the water D.by the food4)_ is the key help for John Snows discovery.A.The government B.The woman moving away from Broad street C.The water company D.The map made by himself5)At last,“King Cholera”was controlled by _.A.using medicines in hospitals B.driving patients out of the country C.dealing with the polluted water D.getting rid of all kinds of pollution第12页The passage is written as a report of an experiment and there are 7 steps:1.Find a problem:(发觉问题发觉问题)2.Make up a question:(形成研究主题形成研究主题)3.Think of a method:(找出研究方法找出研究方法)4.Collect results:(搜集材料搜集材料)5.Analyse results:(分析材料分析材料)6.Repeat if necessary:(必要时重新分析必要时重新分析)7.Draw a conclusion:(得出结论得出结论)第13页Read 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 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 _ with polluted water be found.Finally,“King Cholera”was defeated.doctor19thcausedefeatbrokemarkedpumpsourceexamineddealing第14页Homework 1.在文章中找出长句，难句以及主要词组2.完成课文P4 1,2题第15页