人教版（2019）选择性必修 第二册Unit 1 Science and Scientists Reading and Thinking活动观课件(共30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活动观课件(共30张PPT) |  | |
| 格式 | pptx | ||
| 文件大小 | 12.4MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2023-03-12 08:24:27 | ||
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文档简介
(共30张PPT)
Unit 1 Science and Scientists
Period 1 Reading and Thinking
Fast reading
contents
Ⅰ
Ⅱ
Ⅲ
Lead in
Homework
Deep reading
Ⅳ
Ⅴ
Careful reading
Learning objectives
In this class, you will
Get information about how John Snow defeated cholera;
Summarize the stages of scientific research;
Talk about the significance and contribution of John’s work.
Lead in
Part 1
To raise new questions, new possibilities, to regard old problems from a new angle, requires creative imagination and marks real advance in science.
---- Alber Einstein & Leopold Infeld
Look and discuss
Where do you think this photo was taken
What are the students doing in the photo
Have you ever been to a place like this
draw a conclusion
think of a method
collect results
make up a question
find a problem
analyse the results
Find supporting evidence
Can you put the following stages of scientific research in order.
Fast reading
Part 2
JOHN SNOW DEFEATS “KING CHOLERA”
Read the title and predict.
1. Who was John Snow
2. What is King Cholera
3. What does “defeat” mean
4. What did John Snow do about King Cholera
Who was John Snow
What is King Cholera
Read the passage and check your predictions.
He was a British doctor.
It used to be one of the most feared diseases in the world andmill ons of people died from it in the early 19th century.
a. serious
n.霍乱
What does “defeat” mean
What did John Snow do about King Cholera
It means “to win against something”.
He conducted research and found out how cholera spread.
Read the passage and check your predictions.
Read the passage again and find the main idea in each paragraph.
Para. 1:
Cholera used to be one of the most feared diseases in the world, until a British doctor, John Snow, showed how it could be overcome....In the early 19th century, when an outbreak of cholera hit Europe...
Paragraph 1: Cholera hit Europe in the early 19th century and John Snow showed how it could be overcome.
Para. 2:
In general, doctors in those days had two contradictory theories to explain how cholera spread...He discovered that in two particular streets the cholera outbreak was so severe that more than 500 people died in ten days. He was determined to find out why.
a.对立的
Paragraph 2: John Snow found a problem.
Read the passage again and find the main idea in each paragraph.
Para. 3:
Snow began by marking on a map the exact places where all those who died had lived ....Accordingly, he had the handle of the pump removed so that it could not be used. Through this intervention, the disease was stopped in its tracks .
Paragraph 3: John Snow condueted research to stop the disease.
n. 把手
n. 泵
Read the passage again and find the main idea in each paragraph.
Para. 4:
The truth was that the water from the Broad Street pump had been infected by waste. Moreover, Snow was later able to show a link between other cases of cholera and the different water companies in London....
Paragraph 4: John found the truth about cholera.
n. connection
v. to make a disease spread to sb./sth.
Read the passage again and find the main idea in each paragraph.
Para. 5:
...Fortunately, we now know how to prevent cholera, thanks to the work of John Snow. Moreover, in his use of maps and statistics, Snow transformed the way scientists study diseases. For this reason, Snow is considered the father of modern epidemiology.
Paragraph 5: John contributed a lot to how to prevent cholera, and how to study diseases.
v. change
n. 流行病学
Read the passage again and find the main idea in each paragraph.
Summary Paragraph 1
Paragraph 2
Paragraph 3
Paragraph 4
Paragraph 5
Cholera hit Europe in the early19th century and John Snow showed how it could be overcome.
John Snow found a problem.
John Snow conducted research to stop the disease.
John found the truth about cholera.
John contributed a lot to how to prevent cholera and how to study diseases.
Careful reading
Part 3
Read paragraph 1 and fill in the blanks to get the specific information about cholera .
Cholera
What It’s one of _______________________ in the world, because it causes ________ _______________________
When ______________________.
the most feared diseases
severe diarrhoea and dehydration, and even death.
In the early 19th century
What consequence ____________________ ___
Where __________.
Millions of people died from the disease.
Europe
n. 腹泻
n. 脱水
Read the passage again and complete the chart below.
It was believed that cholera was caused by bad ____ or germs in_________.
Snow_ ___ _______ the places where the people who________had lived.
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___________.
The pump water carried______________.
The ________of the pump was removed.
A
B
C
E
D
theories
evidence
process
conclusion
solution
air
food or water
marked on a map
died
water pump
hadn’t
drinking water from the pump
cholera germs
handle
draw a conclusion
find a problem
make up a question
think of a method
collect results
analyse the results
Find supporting evidence
draw a conclusion
think of a method
collect results
make up a question
find a problem
analyse the results
Find supporting evidence
Now, try to put the 7 stages of scientific research in right order.
Read the map and get to know the research method further.
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.
adj.数量多的
Deep reading
Part 4
What questions would you ask to get the following answers
1. Q: What _________________________________
A: Snow thought that cholera was caused by germs in food or water.
2. Q: Why
A: Snow had the handle from the pump removed so that it could not be used.
3. Q: How _______________________________
A: The cholera threat was defeated thanks to the work of John Snow.
did Snow think was the cause of cholera
did Snow have the handle of the pump removed
did people defeat the cholera threat
幸亏；由于
One way to approach a reading passage is to ask questions about it. Asking questions can help you understand the content. It can also help you think more deeply about the topic.
Ask questions
Read paragraphs 4 and 5 and answer questions.
Para. 4:
The truth was that the water from the Broad Street pump had been infected by waste .... Some companies sold water from the River Thames that was polluted by raw waste.
The water which came from the River Thames and had been infected by waste.
What caused the outbreak of cholera in London in 1854
Para. 5:
Through Snow’s tireless efforts, water companies began to sell clean water, and the threat of cholera around the world saw a substantial decrease. However, cholera is still a problem. Each year, millions of people around the world get cholera and many die from it...
No.
2. Was cholera destroyed completely
1. What was the most important tool Snow used to defeat cholera What common medical tools, e.g., a microscope, didn’t he use Why
Answer questions and talk about the contribution of John’s work.
n. 显微镜
He used maps and statistics to analyse where the deaths occurred.
He didn’t use a microscope. He didn’t test the water, nor did he draw blood or examine patients.
The reason was that medical science was not so advanced at that time.
2. How has John Snow’s work affected our daily lives
Snow’s work has provided readily available clean water to drink, as well as an emphasis on hygiene such as the need to wash hands after they become dirty. He also showed how to prevent cholera epidemics, and transformed the way scientists study diseases, which has allowed for more protection from once common diseases such as cholera.
Homework
Part 5
Homework
Why was it John Snow, not other doctors, who defeated King Cholera
Write about your opinion by using the information from the passage.
Unit 1 Science and Scientists
Period 1 Reading and Thinking
Fast reading
contents
Ⅰ
Ⅱ
Ⅲ
Lead in
Homework
Deep reading
Ⅳ
Ⅴ
Careful reading
Learning objectives
In this class, you will
Get information about how John Snow defeated cholera;
Summarize the stages of scientific research;
Talk about the significance and contribution of John’s work.
Lead in
Part 1
To raise new questions, new possibilities, to regard old problems from a new angle, requires creative imagination and marks real advance in science.
---- Alber Einstein & Leopold Infeld
Look and discuss
Where do you think this photo was taken
What are the students doing in the photo
Have you ever been to a place like this
draw a conclusion
think of a method
collect results
make up a question
find a problem
analyse the results
Find supporting evidence
Can you put the following stages of scientific research in order.
Fast reading
Part 2
JOHN SNOW DEFEATS “KING CHOLERA”
Read the title and predict.
1. Who was John Snow
2. What is King Cholera
3. What does “defeat” mean
4. What did John Snow do about King Cholera
Who was John Snow
What is King Cholera
Read the passage and check your predictions.
He was a British doctor.
It used to be one of the most feared diseases in the world andmill ons of people died from it in the early 19th century.
a. serious
n.霍乱
What does “defeat” mean
What did John Snow do about King Cholera
It means “to win against something”.
He conducted research and found out how cholera spread.
Read the passage and check your predictions.
Read the passage again and find the main idea in each paragraph.
Para. 1:
Cholera used to be one of the most feared diseases in the world, until a British doctor, John Snow, showed how it could be overcome....In the early 19th century, when an outbreak of cholera hit Europe...
Paragraph 1: Cholera hit Europe in the early 19th century and John Snow showed how it could be overcome.
Para. 2:
In general, doctors in those days had two contradictory theories to explain how cholera spread...He discovered that in two particular streets the cholera outbreak was so severe that more than 500 people died in ten days. He was determined to find out why.
a.对立的
Paragraph 2: John Snow found a problem.
Read the passage again and find the main idea in each paragraph.
Para. 3:
Snow began by marking on a map the exact places where all those who died had lived ....Accordingly, he had the handle of the pump removed so that it could not be used. Through this intervention, the disease was stopped in its tracks .
Paragraph 3: John Snow condueted research to stop the disease.
n. 把手
n. 泵
Read the passage again and find the main idea in each paragraph.
Para. 4:
The truth was that the water from the Broad Street pump had been infected by waste. Moreover, Snow was later able to show a link between other cases of cholera and the different water companies in London....
Paragraph 4: John found the truth about cholera.
n. connection
v. to make a disease spread to sb./sth.
Read the passage again and find the main idea in each paragraph.
Para. 5:
...Fortunately, we now know how to prevent cholera, thanks to the work of John Snow. Moreover, in his use of maps and statistics, Snow transformed the way scientists study diseases. For this reason, Snow is considered the father of modern epidemiology.
Paragraph 5: John contributed a lot to how to prevent cholera, and how to study diseases.
v. change
n. 流行病学
Read the passage again and find the main idea in each paragraph.
Summary Paragraph 1
Paragraph 2
Paragraph 3
Paragraph 4
Paragraph 5
Cholera hit Europe in the early19th century and John Snow showed how it could be overcome.
John Snow found a problem.
John Snow conducted research to stop the disease.
John found the truth about cholera.
John contributed a lot to how to prevent cholera and how to study diseases.
Careful reading
Part 3
Read paragraph 1 and fill in the blanks to get the specific information about cholera .
Cholera
What It’s one of _______________________ in the world, because it causes ________ _______________________
When ______________________.
the most feared diseases
severe diarrhoea and dehydration, and even death.
In the early 19th century
What consequence ____________________ ___
Where __________.
Millions of people died from the disease.
Europe
n. 腹泻
n. 脱水
Read the passage again and complete the chart below.
It was believed that cholera was caused by bad ____ or germs in_________.
Snow_ ___ _______ the places where the people who________had lived.
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___________.
The pump water carried______________.
The ________of the pump was removed.
A
B
C
E
D
theories
evidence
process
conclusion
solution
air
food or water
marked on a map
died
water pump
hadn’t
drinking water from the pump
cholera germs
handle
draw a conclusion
find a problem
make up a question
think of a method
collect results
analyse the results
Find supporting evidence
draw a conclusion
think of a method
collect results
make up a question
find a problem
analyse the results
Find supporting evidence
Now, try to put the 7 stages of scientific research in right order.
Read the map and get to know the research method further.
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.
adj.数量多的
Deep reading
Part 4
What questions would you ask to get the following answers
1. Q: What _________________________________
A: Snow thought that cholera was caused by germs in food or water.
2. Q: Why
A: Snow had the handle from the pump removed so that it could not be used.
3. Q: How _______________________________
A: The cholera threat was defeated thanks to the work of John Snow.
did Snow think was the cause of cholera
did Snow have the handle of the pump removed
did people defeat the cholera threat
幸亏；由于
One way to approach a reading passage is to ask questions about it. Asking questions can help you understand the content. It can also help you think more deeply about the topic.
Ask questions
Read paragraphs 4 and 5 and answer questions.
Para. 4:
The truth was that the water from the Broad Street pump had been infected by waste .... Some companies sold water from the River Thames that was polluted by raw waste.
The water which came from the River Thames and had been infected by waste.
What caused the outbreak of cholera in London in 1854
Para. 5:
Through Snow’s tireless efforts, water companies began to sell clean water, and the threat of cholera around the world saw a substantial decrease. However, cholera is still a problem. Each year, millions of people around the world get cholera and many die from it...
No.
2. Was cholera destroyed completely
1. What was the most important tool Snow used to defeat cholera What common medical tools, e.g., a microscope, didn’t he use Why
Answer questions and talk about the contribution of John’s work.
n. 显微镜
He used maps and statistics to analyse where the deaths occurred.
He didn’t use a microscope. He didn’t test the water, nor did he draw blood or examine patients.
The reason was that medical science was not so advanced at that time.
2. How has John Snow’s work affected our daily lives
Snow’s work has provided readily available clean water to drink, as well as an emphasis on hygiene such as the need to wash hands after they become dirty. He also showed how to prevent cholera epidemics, and transformed the way scientists study diseases, which has allowed for more protection from once common diseases such as cholera.
Homework
Part 5
Homework
Why was it John Snow, not other doctors, who defeated King Cholera
Write about your opinion by using the information from the passage.