人教版（2019）选择性必修第二册Unit 1 Science and Scientists Reading and thinking 课件 (共17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17张PPT) |  | |
| 格式 | pptx | ||
| 文件大小 | 4.4MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2024-10-03 21:50:55 | ||
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(共17张PPT)
Unit 1
SCIENCE AND SCIENTISTS
John Snow Defeats “King Cholera”
Lead in
Are you familiar with these situations
Mask up
Get vaccinated
Self-isolation
Positive measures are taken to fight against Covid-19.
Lead in
Besides coronavirus, what other kinds of epidemics(流行病) do you know
Cholera.
Pre-reading
John Snow Defeats “King Cholera”
Who
How
What
1. Who was John Snow
2. What is King Cholera
3. How did John Snow defeat King Cholera
What is cholera
Cholera is an infectious disease that causes severe watery diarrhea (腹泻), which can lead to dehydration (脱水) and even death if untreated. It is caused by eating food or drinking water containing a bacterium called Vibrio cholerae. The disease is most common in places with poor sanitation (卫生设施), crowding and mon locations include parts of Africa, south Asia, and Latin America.
n. 霍乱
Skim the passage to see if the order you decided above was correct, and choose the main idea of the passage.
John Snow was a well-known doctor in London.
The cause of Cholera was polluted water.
The source of all drinking water should be examined.
How John Snow collected, analysed data and found the cause of the disease and defeated it .
Activity 1 Read for the main idea and check predictions
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
Use the stages in examining a new scientific idea to describe each paragraph.
draw a conclusion
find a problem
ask a question
collect data
find supporting evidence
What causes cholera
Which theory is correct
Mark information on a map to find out where people died or did not die.
Find other evidence to confirm the conclusion.
The water is to blame. The source of all drinking water should be examined so that it is safe.
Activity 3 Read for detailed information in Para.1
What It's one of in the world, because it causes
When
Where
What results
the most feared diseases
severe diarrhoea, dehydration
In the early 19th century
Europe
Millions of people died from the disease
Cholera
and even death.
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
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
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
The pump water carried____________.
D
cholera germs
handle
a map
Research method
drinking water
multiple deaths
happened here.
No death happened here.
The water from the pump
was to blame.
Public house
Clue: free beer from public house
Result:
The water came from the river which had been polluted by the dirty water from London.
Activity 3 Read for detailed information in Para.4 & 5
1. What caused the outbreak of cholera in London
A. Bad air B. Water infected by raw waste
C. Polluted air D. Water polluted by the air
2.Why was John Snow called the father of modern epidemiology
He helped people know how to prevent cholera.
He transformed the way scientists study diseases in use of map and statistics.
What spirits can we learn from a scientist like John Snow
creative
strict
patient
determined
positive
hard-working
confident
ambitious
…
Activity 4 Group discussion
Summary
Choose the right words from the box and make the summary complete.
most, river, London, understood, water, sources
No one 1. __________ cholera and every time it came, thousands died. Queen Victoria’s doctor, John Snow, wanted to find out how it was caused. When the disease came to 2. ________ again in 1854, Snow
London
understood
noticed that 3. ________ of the 500 people who
died had drunk the water from a water pump in Broad Street. He concluded that the 4. ________ was to blame and found that the pump’s water came from a dirty 5. ________. After he stopped people from using the pump, people gradually stopped dying. Snow suggested all 6. ________ of water be checked and water companies take care not to supply people with dirty water. In this way, cholera was defeated.
most, river, London, understood, water, sources
sources
most
water
river
Thank you
Unit 1
SCIENCE AND SCIENTISTS
John Snow Defeats “King Cholera”
Lead in
Are you familiar with these situations
Mask up
Get vaccinated
Self-isolation
Positive measures are taken to fight against Covid-19.
Lead in
Besides coronavirus, what other kinds of epidemics(流行病) do you know
Cholera.
Pre-reading
John Snow Defeats “King Cholera”
Who
How
What
1. Who was John Snow
2. What is King Cholera
3. How did John Snow defeat King Cholera
What is cholera
Cholera is an infectious disease that causes severe watery diarrhea (腹泻), which can lead to dehydration (脱水) and even death if untreated. It is caused by eating food or drinking water containing a bacterium called Vibrio cholerae. The disease is most common in places with poor sanitation (卫生设施), crowding and mon locations include parts of Africa, south Asia, and Latin America.
n. 霍乱
Skim the passage to see if the order you decided above was correct, and choose the main idea of the passage.
John Snow was a well-known doctor in London.
The cause of Cholera was polluted water.
The source of all drinking water should be examined.
How John Snow collected, analysed data and found the cause of the disease and defeated it .
Activity 1 Read for the main idea and check predictions
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
Use the stages in examining a new scientific idea to describe each paragraph.
draw a conclusion
find a problem
ask a question
collect data
find supporting evidence
What causes cholera
Which theory is correct
Mark information on a map to find out where people died or did not die.
Find other evidence to confirm the conclusion.
The water is to blame. The source of all drinking water should be examined so that it is safe.
Activity 3 Read for detailed information in Para.1
What It's one of in the world, because it causes
When
Where
What results
the most feared diseases
severe diarrhoea, dehydration
In the early 19th century
Europe
Millions of people died from the disease
Cholera
and even death.
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
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
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
The pump water carried____________.
D
cholera germs
handle
a map
Research method
drinking water
multiple deaths
happened here.
No death happened here.
The water from the pump
was to blame.
Public house
Clue: free beer from public house
Result:
The water came from the river which had been polluted by the dirty water from London.
Activity 3 Read for detailed information in Para.4 & 5
1. What caused the outbreak of cholera in London
A. Bad air B. Water infected by raw waste
C. Polluted air D. Water polluted by the air
2.Why was John Snow called the father of modern epidemiology
He helped people know how to prevent cholera.
He transformed the way scientists study diseases in use of map and statistics.
What spirits can we learn from a scientist like John Snow
creative
strict
patient
determined
positive
hard-working
confident
ambitious
…
Activity 4 Group discussion
Summary
Choose the right words from the box and make the summary complete.
most, river, London, understood, water, sources
No one 1. __________ cholera and every time it came, thousands died. Queen Victoria’s doctor, John Snow, wanted to find out how it was caused. When the disease came to 2. ________ again in 1854, Snow
London
understood
noticed that 3. ________ of the 500 people who
died had drunk the water from a water pump in Broad Street. He concluded that the 4. ________ was to blame and found that the pump’s water came from a dirty 5. ________. After he stopped people from using the pump, people gradually stopped dying. Snow suggested all 6. ________ of water be checked and water companies take care not to supply people with dirty water. In this way, cholera was defeated.
most, river, London, understood, water, sources
sources
most
water
river
Thank you