1、Scientists:Alexander Bell electricity Thomas Edison the First telephoneWright Brothers the electric LampMadame Curie black holes in UniverseFranklin Theory of GravitySteven Hawking the First PlaneElbert Einstein RadiumIsaac Newton the Theory of RelativityScientists&Contributions:Do you know?1.Who di
2、scovered that objects in water are lifted up by a force that helps them float?ArchimedesAncient Greek(287-212BC)A mathematicianCharles Darwin2.Who wrote a book explaining how animals and plants developed as the environment changed?the Origin of Species“father of modern biology”Do you know?3.Who inve
3、nted the first steam engine?Thomas Newcomen,British(1663-1729)He improved the first steam pump built by Thomas Savery in 1698 and turned it into a steam engine for taking water out of mines in 1712.James Watt improved it still further in the 1770sDo you know?Gregor Mendel,Czech(1822-1884)He grew pea
4、 plants and developed ideas on heredity(遗传学遗传学)and inherited(继承继承,承传承传)characteristics.Between1856-1863 he grew 28,000 pea plants.4.Who used peas to show how physical characteristics are passed from parents to their children?Do you know?5.Who discovered radium?6.Who invented the way of giving electr
5、icity to everybody in large cities?7.Who was the painter that studied dead bodies to improve his painting of people?Maries CurieThomas EdisonLeonardo da VinciDo you know?Sir Humphry Davy,British(1778-1829)He did research into different gases and discovered the medicinal value of nitrous(含含氮的氮的)oxide
6、(氧化物氧化物)(or laughing gas)as an anaesthetic(麻醉剂麻醉剂).In 1815 he developed a safety lamp for miners.8.Who invented a lamp to keep miners safe underground?Do you know?Zhang Heng,Chinese(78-139)He invented the first seismograph(测震测震 仪、地震仪仪、地震仪)to indicate in the direction of an earthquake.It was in the s
7、hape of a cylinder(圆筒形圆筒形)with eight dragonheads round the top,each with a ball in its mouth.9.Who invented the earliest instrument to tell people where earthquakes happened?seismographDo you know?10.Who put forward a theory about black holes?Stephen HawkingDo you know?a famous doctor in London.What
8、 happened to them?attended her as her personal physician It infects peoples intestines(肠道肠道),causing diarrhoea(腹泻腹泻),vomiting(呕吐呕吐)and dehydration(脱水脱水)Many deaths in African countries in 2005and even now5oo deaths in 10 days in 1854 in London.Steps of a scientific researchdraw a conclusionfind a pr
9、oblemmake up a questionthink of a methodcollect resultsanalyse the results find supporting evidenceMatch themPara 1Para 2Para 3Para 4Para 5Para 6 Para 7 draw a conclusionfind a problemmake up a questionthink of a methodcollect resultsanalyse the results find supporting evidencePara 1Para 2Para 3Para
10、 4Para 5Para 6 para 7 What is the problem?Cholera was the most _ disease of its day.Neither its _ nor its _was understood.So many terrified people died every time there was an outbreak.What caused cholera?Step 1:find a problem deadlycausecureHow to solve the problem?How to control cholera?What is th
11、e question?Which theory is correct?Step 2:make a question Cholera multiplied in the air&floated aroundPeople absorbed the disease into their body with their meals.What is the best method?Collect date/Gather informationStep 3:think of a method When:_Where:_ Deaths:_1854500P./10D.two particular street
12、sAn outbreak hit LondonStep 4:collect results Broad StreetMany deaths happened here.No death happened here.The water from the pump was to blame.What happened to the pump water?Cholera was spread by _ not in a cloud of _.Step 5:analyse the results Look into the _ of the water for these two streets.so
13、urce:_ watermeasures:_ the handle result:the disease _ _.sourcepollutedremovegermsgasslowed downWhat extra evidence did he find?Step 6:find supporting evidence A woman and her daughter who lived far away but drank the water also died of cholera.draw a conclusion with certaintyThe polluted water carr
14、ied the disease.What is his suggestion?Step 7:draw a conclusion He suggested that the source of all the water supplies should be _.He instructed the water companies not to _ people to polluted water.examined“King Cholera”was defeated exposeComprehendingEx.1 P3keys:2 1 4 7 3 8 5 6What should we pay attention to in our daily life in order not to get infected with cholera?Heal the food left overnightCook raw food thoroughlyWash hands oftenKeep away from flieschoose fresh sea foodKeep the kitchen cleanDispose rubbish properly.Drink boiled waterdiscussion