Great-scientists-优质课件.ppt

Module 5 Unit 1 Great scientistsWarming up and readingnewsThe world will come to an end and the earth will be destroyed in 200 years.He put forward a theory about black holesWho are they?Who are they?Guessing gameWho is he?Who is he?He has made a famous kite experiment.He learned a lot from it and invented lightningrod(避雷针避雷针).).He is Benjamin FranklinNever leave that until tomorrow,which you can do today.今日事,今日毕.Who is he?Who is he?He is called the greatest scientist in the 20th century.He is famous for the Theory of Relativity.He is Albert EinsteinImagination is more important than knowledgeimaginativeWho is he?Who is he?He invented electric bulbs.He made more than 1,000 inventions duringhis life.He is Thomas EdisonThomas Alva EdisonGenius 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天才就是百分之九十九的汗水加上百分之一的灵感天才就是百分之九十九的汗水加上百分之一的灵感天才就是百分之九十九的汗水加上百分之一的灵感.Who is she?Who is she?She is a woman scientist.She discovered radium(镭镭)and polonium(钋钋).In her life,she won the Nobel Prize twice.She is Marie CurieNothing in life is to be feared.It is only to be understood.生活中没有什么可怕的东西生活中没有什么可怕的东西生活中没有什么可怕的东西生活中没有什么可怕的东西,只有需要理解的东西只有需要理解的东西只有需要理解的东西只有需要理解的东西.Who is he?Who is he?He made the first telescope in the world.His observations show that the earth movesaround the sun.He is Galileo GalileiYou 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，你不可能把一切都教给一个人，你不可能把一切都教给一个人，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）事物你只能帮助他从内心去发现（和了解）事物你只能帮助他从内心去发现（和了解）事物你只能帮助他从内心去发现（和了解）事物。What other What other scientists scientists do you know?do you know?Do the quiz Do the quiz and see who and see who knows the knows the most.most.Warming up1.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&physicist2.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 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.4.Who used peas to show how physical characteristics are passed from parents to their children?Gregor Mendel(1822-1884)Czech(捷克人捷克人)5.Who was the painter that studied dead bodies to improve his painting of people?Last SupperMona LisaLeonardo da Vinci(1452-1519)Italian artist6.Who invented a lamp to keep miners safe underground?Sir Humphry Davy(1778-1829)BritishMiniature(小型的小型的)Miners Safety Lamp Brainstormingmade a great contributionmade great achievementssucceeded in their scientific careerovercame many difficultiesWho is John Snow?a famous doctor in London.relationship attended her as her personal physician.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 What are the two theories?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.A map of Broad StreetWhat method did he use?Broad StreetMany deaths happened here.No death happened here.The water from the pump was to blame.Public houseanalyze the results:What happened to the pump water?The water was from the river which had been polluted by the dirty water from London.Find supporting evidence:What extra evidence did he find?A woman and her daughter who lived far away but drank the water also died.draw a conclusion with certaintyThe polluted water carried the disease.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 _.doctor19thcausedefeatbrokemarkedpumpsourceexaminedinstructedexposetodefeatedWhat should we pay attention to in our daily life in order not to get infected with diseases?Heal the food left overnightCook raw food thoroughlyWash hands oftenKeep away from flieschoose fresh sea foodKeep the kitchen cleanDispose rubbish properly.Drink boiled waterDiscussion