人教版（2019）选择性必修第二册Unit 1 Science and Scientists Reading and Thinking 课件(共27张PPT，内嵌视频)
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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27张PPT，内嵌视频) |  | |
| 格式 | pptx | ||
| 文件大小 | 8.3MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2023-04-14 21:38:31 | ||
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文档简介
(共27张PPT)
Science and Scientists
Reading and Thinking
Teaching Goals
1
Enable the Ss to get to know some knowledge about Cholera.
2
Enable the Ss to understand the passage well.
3
Let the Ss learn some reading skills by scanning and skimming.
4
To learn from the great scientists and develop the noble spirits.
学习目标 (1')
问题导学(2')
1. Who was John Snow
2. What is King Cholera
3. What does “defeat” mean
4. What did John Snow do about King Cholera
The secientists that we know
To Youyou
Yuan Longping
Einstein
Who is he
He played an important role in fighting against Covid-19 and won the Medal of Republic(共和国勋章）in 2020 .
Zhong Nanshan
Many years ago, a terrible disease named cholera in the world killed millions of people. People were very afraid of it, but they didn' t know what to do. Luckily, a young doctor decided to find out how to prevent and treat the disease. Finally, the doctor won the battle.
John Snow
Cholera
loss of liquid (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.
01
02
03
04
SARS
AIDS
05
Bird Flu
Cholera
COVID-19
infectious
diseases
Look at the picture, the title and the map, guess what the content of the text is. Then skim it quickly to see if you are right.
Pre-reading
The text is mainly about ____________ and _______ he defeated king cholera.
how
John Snow
John Snow Defeats “King Cholera”
点拨精讲25’
Skimming: main idea of each paragraph
Para1
Para 2
Para 4
Para 5
John Snow want to use his knowledge to solve colera.
He got interested in two theories explaining how colera killed people.
He used the map to prove the second theory was correct.
He finally found out that dirty water was the cause of cholera.
Finally “kin Cholera” was defeated.
Para 3
Read the passage quickly and get the main idea of each paragraph.
What It's one of __________________________ in the world, because it causes __________________________________________.
When ___________________________
Where __________
What results _________________________________________
the most feared diseases
severe diarrhoea, dehydration and even death
In the early 19th century
Europe
Millions of people died from the disease
Cholera
Task2. Read the 1st paragraph quickly and fill in the mind map.
Task 1: Find the problem
Two theories
The first theory
bad air caused the disease
Cholera was caused by an infection from the
germs in food or water.
Proof was need.
The second theory
Read the 2nd paragraph carefully and find out the two theories.
Task 2: Ask a question
Careful reading
Read Para 2 and 3 again to complete the chart.
It was believed that cholera was caused by _______ or germs in __________.
The pump water carried ___________.
Many deaths occurred near the ______________ in Broad Street.
Some people who lived near the pump worked in the pub and _________ drunk the water from the pump ,and lived.
A woman and her daughter died in another part of London after ___________________
Snow _________________ the places where people who________ had lived.
Snow had the _______ of the pump removed.
A
B
C
D
E
bad air
food or water
marked on a map
died
water pump
had not
drinking water from the pump
cholera germs
handle
Supporting evidence
Broad Street
Many deaths happened here.
No death happened here.
The water from the pump was to blame.
Read Para 4-5 and answer the questions below.
The Father of Modern Epidemiology
Water companies sold water from the River Thames that was polluted by raw waste, causing people who drank this water to get malaria.
1) Water companies began to sell clean water.
2) The threat of cholera around the world decreased.
3) He helped people know how to prevent cholera.
4) Snow transformed the way scientists study diseases.
2. What contributions did John Snow make
1. What caused the outbreak of cholera in London in 1854
Summary
draw a conclusion
think of a method
collect data
ask a question
find a problem
analyze the results
find supporting evidence
the stages of
scientific research
课堂小结(2')
In the early 19th century,1. a severe cholera hit Europe，John Snow became 2. _ (frustrate) because no one knew how to prevent or treat cholera.3. he never lost his desire to destroy cholera once and for all.Snow subscribed to the theory that cholera 4. _________ (cause) by an 5.________(infect) from germs in food or water.Snow began by 6._________ (mark) on a map the exact places where all those who died had lived.As 7.___ result，John Snow was able to announce that the pump water 8. (carry) cholera germs.
9. (according)，he had the handle of the pump 10.___________ (remove) so that it could not be used.Through this intervention，the disease was stopped in its tracks.
when
frustrated
But
was caused
infection
marking
a
carried
Accordingly
removed
当堂检测(12')
After Reading
1. Fill in the blanks according to the text.
In the early 19th century, an outbreak of cholera hit Europe, _______ (cause) millions of deaths. seeing this, John Snow became frustrated because no one knew how ________ (prevent) or treat cholera. At that time, doctors had two theories to explain how cholera spread. One was that bad air caused the disease and another was that cholera was caused by germs in food or water. John discovered that in two particular street _____ cholera outbreak was so severe that over 500 people died in ten days. Through his serious ____________ (investigate), he found it was the pump water in Broad Street _______ resulted in the disease. Therefore, he had the handle of the pump ________ (remove) .
It __________(turn) out that the water from the pump had been infected by waste. Through Snow's _________(tired) efforts, water companies began to sell clean water ,and the threat of cholera around the world saw a substantial decrease.Snow transformed the way scientists study diseases. For this reason, he is considered the father of modern epidemiology.
causing
to prevent
the
investigation
that
removed
turned
当堂检测(15')
tireless
Thank you!
What qualities do you need to be a scientist
Qualities
passion
creativity
devotion
selflessness
hard work
Was cholera defeated completely
Yes No
How to prevent the cholera
As a doctor, he helped us to prevent cholera.
As a scientist, he found out what caused
cholera.
Evaluation of John Snow
A map of Broad Street-”Cholera Map”
Read Para 3 carefully.
What method did Snow use
1. Which houses had more than 4 deaths and which had no death in Broad Street
2.What did Snow conclude
Multiple deaths happened here.
No death happened here.
He suspected that the water from the pump was to blame.
Finding Evidence
Anayse the results
draw a conclusion
Broad Street
37
40
38
16
20
9
8
21
Many deaths happened here.
No death happened here.
Public house
It seemed that the water from the
pump was to blame.
Anayse the results
The pump water carried ___________.
Many deaths occurred near the ________ in Broad Street.
Some households had no deaths. they worked in and had been given , so had not drunk .
A woman and her daughter had died after ________________________, because she had the water_________________ every day.
Snow began by _______________ the places where people _________.
Snow had the handle of the pump _________.
marking on a map
died had lived
moving away from Broad Street
delivered to her house
cholera germs
removed
Think of a method
Collect data and analyse the results
Conclusion
Solution
water pump
pub
water from the pump
free beer
Find supporting evidence
Skimming: Structure of the passage
Para1
Find a problem
Phenomenon
Para2
Para3
Para4
Para5
Make a question
Think of a method
Collect data
Analyse the results
Find supporting evidence
Draw a conclusion
two theories
make an investigation
how
find
other cases
Solutions and significance
They can be spread to other people.
They have an unknown cause.
They are difficult to cure.
Characteristics of infectious diseases
Science and Scientists
Reading and Thinking
Teaching Goals
1
Enable the Ss to get to know some knowledge about Cholera.
2
Enable the Ss to understand the passage well.
3
Let the Ss learn some reading skills by scanning and skimming.
4
To learn from the great scientists and develop the noble spirits.
学习目标 (1')
问题导学(2')
1. Who was John Snow
2. What is King Cholera
3. What does “defeat” mean
4. What did John Snow do about King Cholera
The secientists that we know
To Youyou
Yuan Longping
Einstein
Who is he
He played an important role in fighting against Covid-19 and won the Medal of Republic(共和国勋章）in 2020 .
Zhong Nanshan
Many years ago, a terrible disease named cholera in the world killed millions of people. People were very afraid of it, but they didn' t know what to do. Luckily, a young doctor decided to find out how to prevent and treat the disease. Finally, the doctor won the battle.
John Snow
Cholera
loss of liquid (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.
01
02
03
04
SARS
AIDS
05
Bird Flu
Cholera
COVID-19
infectious
diseases
Look at the picture, the title and the map, guess what the content of the text is. Then skim it quickly to see if you are right.
Pre-reading
The text is mainly about ____________ and _______ he defeated king cholera.
how
John Snow
John Snow Defeats “King Cholera”
点拨精讲25’
Skimming: main idea of each paragraph
Para1
Para 2
Para 4
Para 5
John Snow want to use his knowledge to solve colera.
He got interested in two theories explaining how colera killed people.
He used the map to prove the second theory was correct.
He finally found out that dirty water was the cause of cholera.
Finally “kin Cholera” was defeated.
Para 3
Read the passage quickly and get the main idea of each paragraph.
What It's one of __________________________ in the world, because it causes __________________________________________.
When ___________________________
Where __________
What results _________________________________________
the most feared diseases
severe diarrhoea, dehydration and even death
In the early 19th century
Europe
Millions of people died from the disease
Cholera
Task2. Read the 1st paragraph quickly and fill in the mind map.
Task 1: Find the problem
Two theories
The first theory
bad air caused the disease
Cholera was caused by an infection from the
germs in food or water.
Proof was need.
The second theory
Read the 2nd paragraph carefully and find out the two theories.
Task 2: Ask a question
Careful reading
Read Para 2 and 3 again to complete the chart.
It was believed that cholera was caused by _______ or germs in __________.
The pump water carried ___________.
Many deaths occurred near the ______________ in Broad Street.
Some people who lived near the pump worked in the pub and _________ drunk the water from the pump ,and lived.
A woman and her daughter died in another part of London after ___________________
Snow _________________ the places where people who________ had lived.
Snow had the _______ of the pump removed.
A
B
C
D
E
bad air
food or water
marked on a map
died
water pump
had not
drinking water from the pump
cholera germs
handle
Supporting evidence
Broad Street
Many deaths happened here.
No death happened here.
The water from the pump was to blame.
Read Para 4-5 and answer the questions below.
The Father of Modern Epidemiology
Water companies sold water from the River Thames that was polluted by raw waste, causing people who drank this water to get malaria.
1) Water companies began to sell clean water.
2) The threat of cholera around the world decreased.
3) He helped people know how to prevent cholera.
4) Snow transformed the way scientists study diseases.
2. What contributions did John Snow make
1. What caused the outbreak of cholera in London in 1854
Summary
draw a conclusion
think of a method
collect data
ask a question
find a problem
analyze the results
find supporting evidence
the stages of
scientific research
课堂小结(2')
In the early 19th century,1. a severe cholera hit Europe，John Snow became 2. _ (frustrate) because no one knew how to prevent or treat cholera.3. he never lost his desire to destroy cholera once and for all.Snow subscribed to the theory that cholera 4. _________ (cause) by an 5.________(infect) from germs in food or water.Snow began by 6._________ (mark) on a map the exact places where all those who died had lived.As 7.___ result，John Snow was able to announce that the pump water 8. (carry) cholera germs.
9. (according)，he had the handle of the pump 10.___________ (remove) so that it could not be used.Through this intervention，the disease was stopped in its tracks.
when
frustrated
But
was caused
infection
marking
a
carried
Accordingly
removed
当堂检测(12')
After Reading
1. Fill in the blanks according to the text.
In the early 19th century, an outbreak of cholera hit Europe, _______ (cause) millions of deaths. seeing this, John Snow became frustrated because no one knew how ________ (prevent) or treat cholera. At that time, doctors had two theories to explain how cholera spread. One was that bad air caused the disease and another was that cholera was caused by germs in food or water. John discovered that in two particular street _____ cholera outbreak was so severe that over 500 people died in ten days. Through his serious ____________ (investigate), he found it was the pump water in Broad Street _______ resulted in the disease. Therefore, he had the handle of the pump ________ (remove) .
It __________(turn) out that the water from the pump had been infected by waste. Through Snow's _________(tired) efforts, water companies began to sell clean water ,and the threat of cholera around the world saw a substantial decrease.Snow transformed the way scientists study diseases. For this reason, he is considered the father of modern epidemiology.
causing
to prevent
the
investigation
that
removed
turned
当堂检测(15')
tireless
Thank you!
What qualities do you need to be a scientist
Qualities
passion
creativity
devotion
selflessness
hard work
Was cholera defeated completely
Yes No
How to prevent the cholera
As a doctor, he helped us to prevent cholera.
As a scientist, he found out what caused
cholera.
Evaluation of John Snow
A map of Broad Street-”Cholera Map”
Read Para 3 carefully.
What method did Snow use
1. Which houses had more than 4 deaths and which had no death in Broad Street
2.What did Snow conclude
Multiple deaths happened here.
No death happened here.
He suspected that the water from the pump was to blame.
Finding Evidence
Anayse the results
draw a conclusion
Broad Street
37
40
38
16
20
9
8
21
Many deaths happened here.
No death happened here.
Public house
It seemed that the water from the
pump was to blame.
Anayse the results
The pump water carried ___________.
Many deaths occurred near the ________ in Broad Street.
Some households had no deaths. they worked in and had been given , so had not drunk .
A woman and her daughter had died after ________________________, because she had the water_________________ every day.
Snow began by _______________ the places where people _________.
Snow had the handle of the pump _________.
marking on a map
died had lived
moving away from Broad Street
delivered to her house
cholera germs
removed
Think of a method
Collect data and analyse the results
Conclusion
Solution
water pump
pub
water from the pump
free beer
Find supporting evidence
Skimming: Structure of the passage
Para1
Find a problem
Phenomenon
Para2
Para3
Para4
Para5
Make a question
Think of a method
Collect data
Analyse the results
Find supporting evidence
Draw a conclusion
two theories
make an investigation
how
find
other cases
Solutions and significance
They can be spread to other people.
They have an unknown cause.
They are difficult to cure.
Characteristics of infectious diseases