1、Unit 1 Great ScientistsWarming up&pre-readingLook at question 2 in teaching-learning paper.Give the answers and translate them.【Lead-in】【Warming up】Who discovered that objects in water are lifted up by a force that helps them float?Who wrote a book explaining how animals and plants developed as the
2、environment changed?ArchimedesCharles DarwinWho invented the first steam engine?Thomas NewcomenWho used peas to show how physical characteristics are passed form parents to their children?Gregor MendelWho discovered radium?Who invented the way of giving electricity to everybody in large cities?Who w
3、as the painter that studied dead bodies to improve his painting of people?Maries CurieThomas EdisonLeonardo da VinciWho invented a lamp to keep miner safe underground?Who invented the earliest instrument to tell people where earthquakes happened?Who put forward a theory about black holes?Sir Humphre
4、y DavyZhang HengStephen HawkingPlease read the introduction on p76.2 about King Cholera in your text.Then answer some questions.John Snow is a well-known doctor in the 19th century in London and he defeated“King Cholera”.It is a kind of deadly disease.Q：What qualities do you think a scientist should
5、 have?（persistent,determined,imaginative,careful,creative,）draw a conclusionthink of a methodcollect resultsmake a questionfind a problemanalyse the resultsfind supporting evidencefind a problemmake a questionthink of a methodcollect resultsanalyse the resultsdraw a conclusionHow to prove a new idea
6、 in scientific research?find supporting evidence【Pre-reading】Careful Reading:John Snow was an doctor in London who Queen Victoria as her personal .He thought about helping ordinary people to cholera.Though the cause and the of it were unknown,he wanted to face the and solve the problem.expertattende
7、dphysicianexposedcurechallengeCareful Reading:1.What were the two theories about the cause of cholera?2.Which theory did John Snow want to prove?3.What was his method of doing the research?multiplied victimsabsorb The second one.To gather information in two particular streets.Careful Reading:1.How d
8、id he gather information?2.What valuable clue did he get about the cause of the disease?3.What might be the cause?Marked on a mapMany of the deathshad no deaths.It seemed that the water was to blame for cholera.Many of the deaths were near the water pump in Broad Street.deathPart of Snows Cholera Ma
9、pCareful Reading:1.Why did he tell people to remove the handle from the pump?2.What happened after the handle was removed?So that slowed downCareful Reading:1.Where did the woman live and what did she had delivered to her house every day?2.What did their deaths suggest?3.What measures did John Snow take to prevent the disease from spreading?Away from Broad StreetWater from the pumpThe polluted water carried the virus.suggested thatbe examinedwere instructed not to exposetoHomework 1.Look up the new words and expressions of the reading in the dictionary.2.Preview the reading passage.
