1、Unit 1 Great ScientistsWarming UpWhat do you know about great scientists?Try this quiz and find out who knows the most.Alexander Bell electricity Thomas Edison the First telephoneWright Brothers the electric LampMadame Curie black holes in UniverseFranklin Theory of GravitySteven Hawking the First P
2、laneElbert Einstein RadiumIsaac Newton the Theory of RelativityScientists&Contributions:1.Which scientists discovered that objects in water are lifted up by a force that helps them float?Archimedes阿基米德阿基米德Archimedes,Ancient Greek(287-212 BC),a mathematician.2.Who wrote a book explaining how animals
3、and plants developed as the environment changed?Charles Darwin达尔文达尔文Charles Darwin,Britain(1808-1882).The name of the book is Origin of Species.3.Who invented the first advanced steam engine?James Watt瓦特瓦特James Watt(1736-1819)was a Scottish inventor and mechanical engineer,who was renowned for his i
4、mprovements of the steam engine.4.Who used peas to show how physical characteristics are passed from parents to their children?Gregor Mendel门德尔门德尔Gregor Mendel,Czech,a botanist and geneticist.5.Who discovered radium?Marie Curie 居里夫人居里夫人 Marie Curie,Polish and French,a chemist and physicist.She disco
5、veredradium.6.Who invented the way of giving electricity to everybody in large cities?Thomas Edison 爱迪生爱迪生Thomas Edison,American,an inventor.He invented the lights and the gramophone.7.Who was the painter that studied dead bodies to improve his painting of people?Leonardo da Vinci 达芬奇达芬奇Leonardo da
6、Vinci,Italian,an artist.8.Who invented a lamp to keep miners safe underground?Humphry Davy 汉弗莱汉弗莱 戴维戴维Sir Humphry Davy,British,an inventor and chemist.9.Who invented the earliest instrument to tell people where earthquakes happened?张衡Zhang Heng,ancient China,an inventor.10.Who put forward a theory a
7、bout black holes?Stephen Hawking 斯帝芬 霍金Stephen Hawking,British,a physicist.Yuan LongpingJohn SnowJohn 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
8、 and it was very difficult to defeat.Steps:What/How?1.Find a problem2.Make up a question3.Think of a method4.collect results5.Analyse results6.Repeat if necessary7.Make a conclusionSteps:What/How?1.Find a problem2.Make up a question3.Think of a method4.collect resultsWhat causes cholera?Which theory
9、 is correct?Collect information on those who were ill or died and where they got their waterMark information on a map to find out where people died or did not died6.Repeat if necessary7.Make a conclusion5.Analyse resultsAnalyse the water to see if that is the cause of the illnessFind other evidence
10、to make sure the conclusionThe water is to blame.The source of all drinking water should be examined.Many of the deaths were near the water pump in Broad Street.deathPart of Snows Cholera MapRead the passage again and finish Ex.1(Page 3).(in 8 minutes)Fill in the blanks:John Snow was a well-known _
11、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 (in 5 minutes)
