人教版(2019)选择性必修第二册Unit 1 Science and Scientists Reading and Thinking课件(共26张PPT)

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名称 人教版(2019)选择性必修第二册Unit 1 Science and Scientists Reading and Thinking课件(共26张PPT)
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版本资源 人教版(2019)
科目 英语
更新时间 2023-11-14 20:45:46

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(共26张PPT)
选择性必修二
Unit 1 Science and Scientists
Period 1 Reading and Thinking
John Snow Defeats “King Cholera”
To raise new questions, new possibilities, to regard old problems from a new angle, requires creative imagination and marks real advance in science.
---- Albert Einstein & Leopold Infeld
提出新的问题,新的可能性,从新的角度看待老问题,需要创造性的想象力,标志科学的真正进步。
Archimedes
Charles Darwin
Tu Youyou
Gregor Mendel
Leonardo da Vinci
Marie Curie
Thomas Edison
Zhang Heng
Zhong Nanshan
Do you know the scientists
scientist
Lead in
The scientists in fighting against COVID-19
Lead in
Zhong Nanshan, who has been committed to the study, prevention and treatment of major respiratory [r sp r t ( )ri] diseases and significantly contributed to the COVID-19 fight, was awarded the Medal of the Republic.
Lead in
Besides coronavirus, what other kinds of epidemics(流行病) do you know
plague
Cholera
loss of liquid/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.
John Snow Defeated “King Cholera”
What is Cholera
Who is John Snow
How did he defeat Cholera
Pre-Reading: Prediction
The text is mainly about ____________ and _______ he defeated king cholera.
how
John Snow
Activity 1 Read for the main idea
Para1
Para 2
Para 4
Para 5
John Snow want to use his knowledge to solve colera.
He needed to prove the second theory was correct.
John began his study by marking on the map & the process.
He finally found out that dirty water was the cause of cholera.
John Snow made great contributions to modern epidemiology.
Para 3
Who
How
What
How
John
Snow
cholera
Who A ________ doctor who even attended _______________ when she gave birth.
What He had a desire to ________________ once and for all.
famous
destroy cholera
What It used to be one of_________________________________________
because it causes______________________________________________.
When _____________________________________________________________.
Where _____________________________________________________________.
What consequence Millions of people _______________________________.
the most feared diseases in the world
severe diarrhoea, dehydration and even death
In the early 19th century
Europe
died from the disease
Queen Victoria
“King Cholera” = ________ cholera
deadly
While Reading:
Para.1
background
Activity 2 Read for stages
analyze the results
ask a question
collect data
think of a method
find a problem
find supporting evidence
draw a conclusion
Put the seven research stages in order.
How: Research Steps
Step 1
It was believed cholera was caused by or germs in _____________.
How: Research Steps
Step 1
It was believed cholera was caused by or germs in _____________.
bad air
food or water
find a problem
Step 2
Snow was determined to find out .
.
How: Research Steps
Step 1
It was believed cholera was caused by or germs in _____________.
food or water
find a problem
Step 2
Snow was determined to find out .
.
why the outbreak was so severe in two particular streets
ask a question
Step 3
Snow the places where the people who
had lived.
marked on a map
died
think of a method
(Para.3)
BROAD STREET
What kind of map is it
It’s Snow’s cholera map.
What does “—” mean
It means one death.
What does “PH” mean
It means public house, a house such as bar or pub where alcoholic drinks are sold to the public.
What does 30, 31,...refer to
They refer to numbers of houses.
Step 4
The number of deaths in different households was recorded.
collect data
图片来源于网络
BROAD STREET
Which house numbers had more than four deaths in Broad Street
House number 16, 37, 38 and 40 had more than four deaths in Broad Street.
Which house numbers had no deaths in Broad Street
House number 14, 20, 21, 25, 27, 28 and 34 had no deaths in Broad Street.
Where is the pump
The pump is near house number 40 in Broad Street.
Step 5
Multiple deaths occurred near the in Broad Street, while some people who ______ drunk the water from the pump, lived.
analyze the results
pump
hadn’t
Step 6
find supporting evidence
图片来源于网络
Step 7
draw a conclusion
What is the result of John Snow’s research
The pump water carried cholera germs, the handle of the pump was removed, and the disease was stopped in its tracks.
handle
(Para.3)
Check your order (Activity 1 on page 2)
analyze the results
ask a question
draw a conclusion
collect data
find a problem
find supporting evidence
think of a method
6
5
4
3
2
1
7
seven stages in scientific research
Phenomenon
two theories
make an investigation
find
other cases
how
Find supporting evidence
Para1
Para2
Para3
Para4
Para5
Find a problem
Make a question
Think of a method
Collect data
Analyse the results
Draw a conclusion
Solutions and significance
Snow had the_______ of the pump removed.
E
Activity 3 Read for detailed information in Para.2 & 3
It was believed that
cholera was caused
by _______ or germs in _____________.
A
Snow __________
_______the places where people who
_____ had lived.
B
bad air
food or water
marked on
died
The pump water carried____________.
D
cholera germs
handle
a map
Steps in the research
Many deaths occurred
near the __________
in Broad Street.
Some people _______
drunk the water from
the pump, and lived.
A woman and her
daughter died in another part of London after ____________ ______________.
C
water pump
had not
from the pump
drinking water
air
food or water
marked on a map
died
water pump
hadn’t
drinking
water from the pump
cholera germs
handle
Match the following headers with the letters(A-E) from the chart below.
1 conclusion . 2 evidence . 3 process . 4 solution . 5 theories .
A
E
B
C
D
Discussion
How has John Snow 's work affected our daily lives
His work can protect people from being killed by the severe disease. Furthermore, it told us we should protect our environment from being polluted.
In order not to get infected with disease, what should we pay attention to in our daily life
Activity 4 Group discussion
In our daily life, in order not to
get infected with the infectious
disease, such as cholera, AIDS, SARS,
COVID-19 ,what should we do?
Heal the food left overnight
Cook raw food thoroughly
Wash hands often
Keep away from flies
choose fresh sea food
Keep the kitchen clean
deal with rubbish properly.
Drink boiled water
Post Reading:Critical Thinking
Don't forget to wear a mask when you go out.
Discussion
Activity 4 Group discussion2
What qualities and scientific spirits do they have in common
strong sense of social responsibility
knowledgeable
courage to face difficulties
committed
critical thinking
creativity
questioning mind
passionate
Your stage,
Your challenge.
华为“天才少年 ”独造神奇机器臂,远程操控缝合葡萄皮
Homework
1. Decide on one scientist that you
admire most
2. Find out one of his most important
achievements
3. Write down the story
①You’d better give it a title.
②If possible, attatch some pictures.
Father of hybrid rice