,*,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,Do you know their names?,Who are they?,Guessing game,Archimedes,He was,an ancient Greek mathematician.He found if you put an object into water,the water pushes the object up.,Who is he?,He wrote,The Origin of Species.,It explained how animals and plants developed as the environment changed.,Charles Darwin,Who is he?,He improved the first steam pump built by Thomas Savery and turned it into a steam engine for taking water out of mines.,Later James Watt turned it into the first modern steam engine used on the railways.,Thomas Newcomen,Who is he?,He used peas to show how physical,characteristics are passed from,parents to their children.,Gregory Mendel,Who is he?,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.,He invented the way of giving electricity to everybody in large cities.,Thomas Edison,Who is he?,Genius is one percent inspiration and ninety-nine percent perspiration.,Leonardo da Vinci,He was a famous artist.He used to study dead people in order to make his paintings as accurate as possible.,Who is he?,He developed a safety lamp for miners in 1815.It made working conditions underground very much safer.,Sir Humphry Davy,Who is he?,He invented the first seismograph to indicate in the direction of an,earthquakes.,Zhang Heng,Who is he?,He put forward a theory about black holes.,Stephen Harking,Who is he?,Do the quiz and see who knows the most.,Warming up,Q,Answers,1.,2.,3.,4.,5.,6.,7.,8.,9.,10.,Archimedes,Charles Darwin,Thomas Newcomen,Gregor Mendel,Marie Curie,Thomas Edison,Leonardo da Vinci,Sir Humphry Davy,Zhang Heng,Stephen Hawking,THINK,WORK,FIND,How do the scientists usually do scientific research?,The process,Find a problem,Make a question,Think of a method,Collect results,Analyse the results,Find supporting evidence,Draw a conclusion,SOLVE,What infectious diseases do you know about?,Cholera is the illness caused by a bacterium called Varian cholera.If it infects peoples intestines(肠胃),it may cause diarrhea,(腹泻),vomiting,(呕吐),and leg cramps(腹痛).The most common cause of cholera is by someone eating food or drinking water that has been polluted by the bacteria.,What do you know about cholera?,Cholera can be mild(不严重的)or even without symptoms(症状),but a severe case can lead to death without immediate treatment.,Do you know this person?,John Snow(1813 1858),a legendary figure in the history of public health,epidemiology（流行病学）and anesthesiology（麻醉学）,Whats the main idea of the passage?,John Snow was a well-known doctor in London.,The cause of Cholera was polluted water.,The source of all drinking water should be examined.,How John Snow collected,analyzed data and found the cause of the disease and solved it.,Fast reading,draw a conclusion,find a problem,make up a question,think of a method,collect results,analyse the results,find supporting evidence,Para 1,Para 2,Para 3,Para 4,Para 5,Para 6,Para 7,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,make up a question:Which theory to believe in?,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.,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,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.,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.,Things to do to prevent infectious diseases:,Wash your hands often,especially during cold and flu season.,Be aware of what you eat,and be careful how you prepare it.,Use antibiotics,(抗生素),exactly as prescribed.,Be cautious around all wild and domestic animals that are not familiar to you.,Avoid areas of insect infestation.,Post reading,Discussion,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,pu