Great-scientists-优质(课堂PPT).ppt

,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Module 5 Unit 1 Great scientists,Warming up and reading,1,news,The world will come to an end and the earth will be destroyed in 200 years.,2,He put forward a theory about black holes,3,Who are they?,Guessing game,4,Who is he?,He has made a famous kite experiment.,He learned a lot from it and invented lightning,rod(,避雷针).,He is,Benjamin Franklin,Never leave that until tomorrow,which you can do today.,今日事,今日毕.,5,Who is he?,He is called the greatest scientist in the 20,th,century.,He is famous for the Theory of Relativity.,He is,Albert Einstein,Imagination is more important than knowledge,想象力比知识更重要,.,imaginative,6,Who is he?,He invented electric bulbs.,He made more than 1,000 inventions during,his life.,He is,Thomas Edison,Thomas Alva Edison,Genius is one percent inspiration and ninety-nine percent perspiration.,天才就是百分之九十九的汗水加上百分之一的灵感.,7,Who is she?,She is a woman scientist.,She discovered radium,(镭),and polonium(钋).,In her life,she won the Nobel Prize twice.,She is,Marie Curie,Nothing in life is to be feared.It is only to be understood.,生活中没有什么可怕的东西,只有需要理解的东西.,8,Who is he?,He made the first telescope in the world.,His observations show that the earth moves,around the sun.,He is,Galileo Galilei,You cannot teach a man anything.You can only help him find it within himself.,你不可能把一切都教给一个人，你只能帮助他从内心去发现（和了解）事物,。,9,What other scientists,do you know?,Do the quiz and see who knows the most.,Warming up,10,1.Which scientist discovered that objects in water are lifted up by a force that helps them float?,Archimedes,(287-212 BC),an ancient Greek,mathematician&physicist,11,2.Who wrote a book explaining how animals and plants developed as the environment changed?,Charles Darwin,(1808-1882),British author of,The Origin of Species,12,3.Who invented the first steam engine?,Thomas Newcomen,(1663-1729)British,invented a steam engine.James Watt improved it and turned it into the first modern steam engine used on the railways.,13,4.Who used peas to show how physical characteristics are passed from parents to their children?,Gregor Mendel,(1822-1884)Czech(捷克人),14,5.Who was the painter that studied dead bodies to improve his painting of people?,Last Supper,Mona Lisa,Leonardo da Vinci,(1452-1519)Italian artist,15,6.Who invented a lamp to keep miners safe underground?,Sir Humphry Davy,(1778-1829)British,Miniature(小型的)Miners Safety Lamp,16,draw a conclusion,They all.,Brainstorming,made a great contribution,made great achievements,succeeded in their scientific career,overcame many difficulties,17,Who is John Snow?,a famous doctor in London.,relationship,attended,her as her,personal physician,.,18,What is the problem?,The cholera was the most deadly disease,of its day.Neither its cause,nor its cure,was understood.,What caused cholera?,Details,19,What are the two theories?,idea 1,idea 2,Cholera,multiplied,in the air without reason.,A cloud of dangerous gas would float around,until it found its,victims.,People absorbed it with their meals.,20,A map of Broad Street,What method did he use?,Broad Street,Many deaths happened here.,No death happened here.,The water from the pump was to blame.,Public house,21,analyze the results:What happened to the pump water?,The water was from the river,which had been,polluted,by,the dirty water from London.,22,Find supporting evidence:What extra evidence did he find?,two other deaths,A woman and her daughter,who lived far away but drank,the water also died.,draw a conclusion with certainty,The polluted water,carried the disease.,23,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 supplies be _ and the water companies were_ not to _ people _ polluted water any more.Finally “King Cholera”was _.,doctor,19th,cause,defeat,broke,marked,pump,source,examined,instructed,expose,to,defeated,24,What should we pay attention to in our daily,life in order not to get infected with diseases?,Heal the food left overnight,Cook raw food thoroughly,Wash hands often,Keep away from flies,choose fresh sea food,Keep the kitchen clean,Dispose rubbish properly.,Drink boiled water,Discussion,25,