必修五unit Great Scientists readingPPT教案

1、會計學1必修五必修五unit Great Scientists reading第1頁/共18頁A brief introduction of choleraBroad Street第2頁/共18頁Bacteria / germs of cholera第3頁/共18頁 It infects peoples intestines(腸道腸道), causing diarrhoea(腹瀉腹瀉), vomiting(嘔吐嘔吐) and dehydration(脫水脫水) Many deaths in African countries in 2005and even now5oo deaths in 1

2、0 days in 1854 in London.第4頁/共18頁Spread from one person to another. So it is an infectious Disease. infect/affect people第5頁/共18頁Who is John Snow? a famous doctor in London. What happened to them? attended her to ease the birth of her babies.第6頁/共18頁1. Skimming1). Whats the main idea of the passage?A

3、. John Snow was a well-known doctor in London.B. The cause of Cholera was polluted water.C. The source of all drinking water should be examined.D. How John Snow collected, analyzed data and found the cause of the disease and solved it .第7頁/共18頁Careful Reading:John Snow was an doctor in London who Qu

4、een 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. expertattendedphysicianexposedcurechallenge第8頁/共18頁Careful Reading:1. What were the two theories about the cause of cholera? 2

5、. Which 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.第9頁/共18頁Careful Reading:1. What did he do with the results of his enquiry?2. What valuable clue did he get about the cause of the d

6、isease?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.第10頁/共18頁Many of the deaths were near the water pump in Broad Street.deathPart of Snows Cholera Map第11頁/共18頁Careful Reading:1. Why did he tell people to remove the handl

7、e from the pump?2. What happened after the handle was removed?So that slowed down第12頁/共18頁Careful 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

8、from Broad StreetWater from the pumpThe polluted water carried the virus.suggested thatbe examinedwere instructed not to exposeto第13頁/共18頁draw a conclusion Think of a method Collect results Make a questionFind a problem Analyse the results Find supporting evidenceStages in setting out a new scientif

9、ic idea:Dicussing第14頁/共18頁第15頁/共18頁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 liv

10、ed 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)第16頁/共18頁What should we pay attention to in our daily life in order not to get infected with cholera? Heal the food left overnightCook raw fo