人教版高中英语选修六Unit 4 Global warming （3）教案
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| 名称 | 人教版高中英语选修六Unit 4 Global warming （3）教案 |  | |
| 格式 | zip | ||
| 文件大小 | 12.5KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2019-10-17 20:08:03 | ||
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文档简介
Unit 4 Global warming
教学目标
Teaching Aims
1. Enable the students to learn the following useful new words and expressions：fossil fuel, go up, come about, flood, drought, famine etc. by pictures.
2. Enable students to master the reading skills by skimming, scanning.
3. Enable students to get the knowledge of global warming through the reading strategies and skills.
情感态度
Emotion, attitude and value
Enable the students to be more aware of the importance of stopping global warming
重点难点
Teaching Important and Difficult Points
?Enable the students to get information about global warming using the reading strategies and skills.
教学方法
Teaching Methods
Asking-and-answering activity to check the students’ understanding of the text；individual，pair or group work to finish each task.
5教学过程
Teaching Procedures
Step 1. Lead-in
1) Greetings and lead in.
Show a film of The Day After Tomorrow and ask them the following question:
What can you see in the film?
--hurricane, tsunami, glacier melting???? .
What other disasters do you know？
--Flood, drought, famine.
What causes the disasters?
--It’s the global warming.
What causes the the global warming?
--Picture1: the burning of fossil fuels
?Picture2: greenhouse gases: carbon dioxide, water vapor, methane
As a result, the earth will become warmer and warmer.
Step 2. Skimming:
Glance the first paragraph:
1. Who wrote the magazine article?
A. Janice Foster?? B. Sophie Armstrong
2. What is the topic of the article?
?A. The earth??? B. Global warming
3. There are the names of the three scientists
?in the article EXCEPT______.
?A. Dr Janice Foster ???B. Sophie Armstrong
?C. Charles Keeling ???D. George Hambley
Step 3. Scanning for detailed information (Group work)
Part2(2-5)
1. What do the two graphs show?
--The first graph shows the temperature increase of one degree Fahrenheit between 1860 to 2000.
--The second graph shows carbon dioxide went up from 1957 to 1997
2. What do you know about greenhouse effect?
Greenhouse gases trap(吸收) the heat from the sun and therefore warm the earth.
3. Which following is NOT TRUE about global warming? (D)??
?A. The increase of temperature is due of the burning of the fossil fuels.
?B. The burning of the fossil fuels caused the increase in carbon dioxide.
?C. All believes that activities of humans have caused global warming.
?D. The attitudes of scientists toward it are the same.
The different ideas of the effects of the global warming Part3(6)
?Dr. Foster
Hambley
More carbon dioxide has negative effects:
rise of the sea level
severe storms, droughts,
floods, famines,
the spread of diseases,
?the disappearance of?? species.
More carbon dioxide is a _positive_ thing,
?makes crops? __produce__ more and will encourage? __a great range of animals____.
?
Step 4. Summary
What can we learn from the text? Fill in the bland.
A. fossil fuels? B. human activity? C.warmer?? D.different?? E. heat
Everyone believes that the earth is becoming ______. _______________ has caused this global warming: human produce energy by burning? ___________. During this process, greenhouse gases are produced. Greenhouse gases can trap _____ from the sun and warm the earth which is called “greenhouse effect”.
? The attitudes of scientists towards global warming are ______. On the one hand, it is a positive thing. On the other hand, if there are too many greenhouse gases, more heat will be trapped, causing global warming.
Step 5. After-reading group work
What should we do to stop global warming?
Discussion: Suggestions on global warming:
turn off the electrical appliance
talk with family and friends about it
recycle things like bottles, plastics
plant more trees
ride bike rather than car
words 参考词汇: reduce, carbon dioxide, absorb, environment, plant, electrical appliances, recycle
Sentences structures 句型:
We should ... in order to ...mo
It is a good idea to ... because it can ...
e.g. We should plant more trees in order to absorb the carbon dioxide .
It is a good idea to plant more trees because it can absorb the carbon dioxide .
Suggestions about global warming
Nowadays, global warming is becoming warmer and warmer. It's time for us to take some actions to deal with it.
Firstly, we should ________________________________________ in order to _______________________________________.
Secondly, it's a good idea to _______________________________________ because _______________________________________.
Finally, why not ______________________ because________________________.
Let us save energy and stop the global warming together.
?
Step 6. Homework ?Write a short passage about the suggestions.?
教学目标
Teaching Aims
1. Enable the students to learn the following useful new words and expressions：fossil fuel, go up, come about, flood, drought, famine etc. by pictures.
2. Enable students to master the reading skills by skimming, scanning.
3. Enable students to get the knowledge of global warming through the reading strategies and skills.
情感态度
Emotion, attitude and value
Enable the students to be more aware of the importance of stopping global warming
重点难点
Teaching Important and Difficult Points
?Enable the students to get information about global warming using the reading strategies and skills.
教学方法
Teaching Methods
Asking-and-answering activity to check the students’ understanding of the text；individual，pair or group work to finish each task.
5教学过程
Teaching Procedures
Step 1. Lead-in
1) Greetings and lead in.
Show a film of The Day After Tomorrow and ask them the following question:
What can you see in the film?
--hurricane, tsunami, glacier melting???? .
What other disasters do you know？
--Flood, drought, famine.
What causes the disasters?
--It’s the global warming.
What causes the the global warming?
--Picture1: the burning of fossil fuels
?Picture2: greenhouse gases: carbon dioxide, water vapor, methane
As a result, the earth will become warmer and warmer.
Step 2. Skimming:
Glance the first paragraph:
1. Who wrote the magazine article?
A. Janice Foster?? B. Sophie Armstrong
2. What is the topic of the article?
?A. The earth??? B. Global warming
3. There are the names of the three scientists
?in the article EXCEPT______.
?A. Dr Janice Foster ???B. Sophie Armstrong
?C. Charles Keeling ???D. George Hambley
Step 3. Scanning for detailed information (Group work)
Part2(2-5)
1. What do the two graphs show?
--The first graph shows the temperature increase of one degree Fahrenheit between 1860 to 2000.
--The second graph shows carbon dioxide went up from 1957 to 1997
2. What do you know about greenhouse effect?
Greenhouse gases trap(吸收) the heat from the sun and therefore warm the earth.
3. Which following is NOT TRUE about global warming? (D)??
?A. The increase of temperature is due of the burning of the fossil fuels.
?B. The burning of the fossil fuels caused the increase in carbon dioxide.
?C. All believes that activities of humans have caused global warming.
?D. The attitudes of scientists toward it are the same.
The different ideas of the effects of the global warming Part3(6)
?Dr. Foster
Hambley
More carbon dioxide has negative effects:
rise of the sea level
severe storms, droughts,
floods, famines,
the spread of diseases,
?the disappearance of?? species.
More carbon dioxide is a _positive_ thing,
?makes crops? __produce__ more and will encourage? __a great range of animals____.
?
Step 4. Summary
What can we learn from the text? Fill in the bland.
A. fossil fuels? B. human activity? C.warmer?? D.different?? E. heat
Everyone believes that the earth is becoming ______. _______________ has caused this global warming: human produce energy by burning? ___________. During this process, greenhouse gases are produced. Greenhouse gases can trap _____ from the sun and warm the earth which is called “greenhouse effect”.
? The attitudes of scientists towards global warming are ______. On the one hand, it is a positive thing. On the other hand, if there are too many greenhouse gases, more heat will be trapped, causing global warming.
Step 5. After-reading group work
What should we do to stop global warming?
Discussion: Suggestions on global warming:
turn off the electrical appliance
talk with family and friends about it
recycle things like bottles, plastics
plant more trees
ride bike rather than car
words 参考词汇: reduce, carbon dioxide, absorb, environment, plant, electrical appliances, recycle
Sentences structures 句型:
We should ... in order to ...mo
It is a good idea to ... because it can ...
e.g. We should plant more trees in order to absorb the carbon dioxide .
It is a good idea to plant more trees because it can absorb the carbon dioxide .
Suggestions about global warming
Nowadays, global warming is becoming warmer and warmer. It's time for us to take some actions to deal with it.
Firstly, we should ________________________________________ in order to _______________________________________.
Secondly, it's a good idea to _______________________________________ because _______________________________________.
Finally, why not ______________________ because________________________.
Let us save energy and stop the global warming together.
?
Step 6. Homework ?Write a short passage about the suggestions.?