资源简介

(共25张PPT)
Science and Scientists
Reading and Thinking
By the end of this period, you will be able to:
find out the stages of scientific research in this passage;
learn about John Snow’s research process and analyze John Snow’s characters；
express your idea on the given topic through creative thinking;
analyze the structure of Problem-Solution pattern.
Learning objectives
Great secientists we have learnt before
Tu Youyou
Yuan Longping
Einstein
④
Besides coronavirus, what other kinds of epidemics （流行病）have you heard of
bird-flu（禽流感）
malaria（疟疾）
plague（鼠疫）
Ebola(埃博拉)
①
②
③
Who Helped Defeat Malaria
Watch the video and leran about the symptoms (症状) of Cholera and how it spraed.
dehydration (缺水)
severe vomiting(呕吐)
diarrhea(腹泻)
It begins in the stomach and a severe case can lead to death without immediate treatment.
What are the symptoms (症状) of Cholera？
Activity
01
Make a prediction
John Snow Defeats “King Cholera”
Who？
How？
What？
Who was John Snow What is King Cholera
How did John Snow do about King Cholera
Pre-reading
Activity
02
Careful-reading
While-reading
Thread: scientific research stages
Read paragraph 1, search for the related information about King cholera and John Snow, and then fill in the blanks .
Guide 1
Para1
John Snow
Identity: one of _____________________________in the world
Symptoms: severe diarrhea, dehydration, and even __________
Consequence:
Millions of people _______________it when it hit Europe in the early 19th century
Occupation:
Nationality: __________
Desire: ________________________________________
A famous ________ (who even attended to __________________ when she gave birth)
the most feared diseases
death
died from
doctor
Queen Vitoria
Britain
To destroy cholera once and for all.
King Cholera
1. What caused cholera
Cholera was caused by _______.
Cholera was caused by ________________________________ .
bad air
an infection from the germs in food or water
Find a problem
2. Which theory is correct
Theory one:
caused by ________
Theory two:
caused by _______

bad air
germs
John Snow subscribed to the ________ theory.
second
Ask a question
More proof is needed
What method did John Snow use
Think of a method
Where did many people die & Where did no people die
What did Snow suspect
Examine the given map and talk about the questions.
Para3
No death happened here.
Multiple deaths happened here.
He suspeeted that the water from the pump was fo blame.
The cause of a mother and her daughter’s death. (pump water)
conclusion
The pump water carried cholera germs.
solution
Removed the handle of the pump.
What’s the evidence
for Snow’s suspecting
What’s the conclusion
Find supporting evidence & Draw a conclusion
Para2-3
Read from Para, 2-3 again and complete the chart below.
It was believed that cholera was caused by bad air or germs in food or water.
A
Snow marked on a map the places where people who died had lived.
B
Many deaths occurred near the water pump in Broad Street.
C
Some people had not drunk the water from the pump, and lived,
The pump water carried cholera germs.
D
A woman and her daughter died in another part of London after drinking water from the pump.
Snow had the handle of the pump removed.
E
conclusion evidence process solution theories
theories
solution
process
evidence
conelusion
Put the stages of Scientific Research into right order
______ analyse the results ______ ask a question
______ draw a conclusion ______ collect data
______ find a problem ______ find supporting evidence
______ think of a method
Activity
03
post-reading
Guide 2
04
Critical thinking
Post-reading
1. What qualities do you think John Snow has
2. Use some words to describe him and find the sentences to support your idea.
Activity
04
Critical thinking
Post-reading
Para1
brave
caring
socially
responsible
expert
determined
04
Critical thinking
Post-reading
Para2
determined, curious
knowledgeable
thoughtful
Critical thinking
Post-reading
Para3
considerate
careful
04
Critical thinking
Post-reading
Para5
devoted
creative
Innovative(创新的)
04
04
Critical thinking
Post-reading
Qualities of John Snow as a great scientist
brave
caring
socially
responsible
expert
determined
curious
considerate
creative
knowledgeable
careful
devoted
innovative
the father of modern epidemiology
Despite the danger of infection, they devotethemselves to scientific research.
Further-thinking
In order to keep away from diseases, what should we do in our daily life
avoid gathering
wash our hands
do sports
eat clean food
读后续写微技能:课文中含有人物心理活动的语句
1. As a young doctor，John Snow became frustrated because no one knew how to prevent or treat cholera.
2. However，he never lost his desire to destroy cholera once and for all.
3. He was determined to find out why.
要求：在课文中用马克笔勾画出以上句子
翻译并理解以上句子（注意划线部分）
背诵以上三个句子(先自己背+后同桌互背)
当堂背诵

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