人教版高中英语选修六《Unit 4 Global warming》Reading 课件1
• What do you think greenhouse gases do? They trap the heat of the sun and keep the air surrounding the earth warm.
Main ideas of each Writing techniques part
• What are the “greenhouse gases”? In the atmosphere surrounding the earth there are gases called “greenhouse gases”, including carbon dioxide, methane (甲烷, 沼气) and water vapor.
convincing
2. The author probably agrees that ________.
A. global warming is good for us B. we can do nothing about global
warming C. catastrophes will happen if the globe
5. What is the main topic of the article? Global warming/ the warming of
the earth.
1. The temperature in the last century did not seem to increase much.
renewable
stove
plant waste
renewable
(biomass energy)
washing machine
hot springs or geysers (geothermal ene the sea (tidal energy)
renewable
Scientists Opinions George ◆ Believes that we shouldn’t Hambley worry about _h_i_g_h_l_e_v_e_ls_ of carbon
dioxide in the air. ◆ Predicts that any warming will be mild with few bad environmental _c_o_n_se_q_u__en__ce_s_. ◆ _S_t_a_te_s_ that more carbon dioxide is actually a _p_o_s_i_ti_v_e_ thing, which will make life for human beings better.
(Paragraph 1) Introduce a debate Raising a question over the issue of global warming.
Main ideas of each Writing techniques
part
(Paragraphs 2---3) Illustrate how
Giving examples, using graphs,
global warming comes explanation.
about.
(Paragraphs 4---5) List two different attitudes among scientists towards global warming.
4. The rise in carbon dioxide is causing a steady increase in global warming.
5. George Hambley believes that global warming will do good rather than harm to the earth.
● Group A discuss why they agree with the statement; Group B discuss why they disagree.
● Group A and B get together. Tell each other the reasons for agreeing or disagreeing with the statement.
Renewable or non-renewable?
Renewable or non-renewable?
What is told in the picture?
What is the greenhouse made and used for?
A greenhouse is made of glass and is used for growing plants, especially during cold weather.
do something about issue. global warming or not.
I. Read the text carefully and fill in the blanks.
Scientists Opinion Janice ◆ We need _g_a_s_e_s_ like carbon Foster dioxide, methane and water
cassette player video recorder
computer
wind (wind power)
sun (solar energy)
uranium (nuclear energy)
nonrenewable
renewable
renewable
nonrenewable
fridge water (hydroelectric)
keeps on warming D. much remains to be found out about the
effects of global warming
Answer the questions. 1. Who wrote the magazine article?
What is the name of the magazine? Sophie Armstrong wrote the magazine article. The name of the magazine is Earth Care.
4. What are the two graphs about?
Graph I shows the temperature increase of one degree Fahrenheit between 1860 to 2000.
Graph 2 shows the carbon dioxide content in the atmosphere from 1957 to 1997.
• How does it work? The air inside is warm because the
glass traps the heat from the sun and keeps it from escaping. This makes the greenhouse heat up and so the plants can grow throughout the cold period.
Giving examples, making contrast.
(Paragraph 6)
It’s up to readers to Using a question,
think and decide
leaving readers to
whether people should think over the
2. What are the names of the three scientists mentioned in the article? They are Dr. Janice Foster, Charles Keeling and George Hambley.
3. What do they think about global warming? Do they agree with one another? There are some very different attitudes among scientists towards this issue. Some think the effects will be terrible, while some others believe that we should not worry about it.
Scientists Opinion Janice ◆ Over the next 100 years the Foster amount of warming could be
as low as 1 to 1.5 degrees Celsius, but it could be as high as 5 degrees Celsius. ◆ An increase of five degrees would be a _c_a_ta_s_t_r_o_p_h_e_.
From the following pictures, you will know where all this energy comes from.
windmills a coal power station
an oil refinery a nuclear power plant
solar panels hydro-electric dam
6. It is clear what the effects of global warming will be.
We should do nothing about the global warming.
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高中英语人教版选修六 Unit 4 Global warming Read 课件 (共47张PP
2. The burning of more and more fossil fuels has resulted in the increase in carbon dioxide.
Read and discover:
Greenhouse gases have resulted in global warming. =Global warming has resulted from greenhouse gases. to be caused by 1. Many negative effects have resulted from global warming. 2. The increase in carbon dioxide results from the burning of more and more fossil fuels.
2. My brother bought a large quantity of books.
Read and discover:
1. The book shop sold a quantity of /quantities of books. 2. The factory releases a quantity of / quantities of CO2 every day. a quantity of / quantities of + countable nouns / uncountable noun
in order to broaden my mind. to pay money regularly to have newspaper or magazines sent 3. Do you know how to subscribe to the Web service? to receive or obtain sth. regularly
Read and discover:
Greenhouse gases have resulted in global warming. =Global warming has resulted from greenhouse gases. to be caused by 1. Many negative effects have resulted from global warming. 2. The increase in carbon dioxide results from the burning of more and more fossil fuels.
2. My brother bought a large quantity of books.
Read and discover:
1. The book shop sold a quantity of /quantities of books. 2. The factory releases a quantity of / quantities of CO2 every day. a quantity of / quantities of + countable nouns / uncountable noun
in order to broaden my mind. to pay money regularly to have newspaper or magazines sent 3. Do you know how to subscribe to the Web service? to receive or obtain sth. regularly
人教版英语选修六Unit 4 Global Warming(Reading) 课件(共42张PPT)
4. Greenhouse gases continue to build up in the atmosphere.
5. George Hambley believes that global warming will do good rather than harm to the earth.
Researchers say these changes are having severe effects on animals such as penguins, seals and polar bears. Changes in temperature and wetness in the air can also affect the reproduction of some reptiles and amphibians. For example, the sex of baby painted turtles is linked to the average temperature in July. Scientists say even small temperature increases can threaten the production of male turtles. In Europe, scientists say warmer temperatures are affecting the spring and autumn seasons.
What’s worse, the glaciers (冰川) of the South Pole are beginning to crack (破裂).
The sea level to rise.
Tsunami (海啸)
Tornados (飓风)
人教选修6 Unit4 Global Warming-reading
greenhouse gases
What’s greenhouse effect?
greenhouse effect
Unit 4 Global Warming
Read the text quickly and find the answer to the questions:
1.Who wrote the magazine article? What is the name of the magazine? Sophie Armstrong, Earth Care. 2.What are the names of the three scientists mentioned in the article? Dr Janice Foster, Charles Keeling, George Hambley.
Homework
1. Read the passage again and review
the new words and expressions. 2. Prepare the debate in groups.
3.Surf the Internet for more information about global warming.
Scanning
3. What do they think about global warming? Do they agree with one another?
They don't agree with each other. Dr. Janice Foster thinks the effects of global warming could be very serious. George Hambley thinks global warming will be mild with few bad environmental consequences. Charles Keeling believes it is the burning of more and more fossil fuels that is resulting in a big increase in carbon dioxide.
人教版高中英语选修六Unit 4 Global warming-Reading课件
Part2 (2-5)
How global warming comes about?
1. ___________________ human activity
Greenhouse 2. ___________________________ the burning of fossil fuels effect What are the Greenhouse gases?
So we don’t worry about global warming…
Group Work
1 2
We shall do something about global warming.
We shall do nothing about global warming.
Debate
Possible effects:
1. cause the sea level to rise 2. the spread of Negative effects diseases 3. disappearance of species So we should : 1. Reduce the burning of fossil fuels 2. Use bags that can be recycled … 1. make plants grow faster 2. crops will produce more 3. a greater range of animals 4. make life better
Introduction
Conclusion
Para. 1
The topic
Para.6-7
Body Para. 2-5
Careful reading
高中英语选修六人教版：Unit+4+Global+Warming+(reading)+课件
Part1 Introduce a debate over the raising a
(1) issue of global warming.
question
Part2 (2-5)
How global warming comes about.
giving examples, using graphs, explanation
energy sources
nuclear energy
wave / tidal energy
① What are they? ② What are these buildings made of?
greenhouse / glass
③What’s the use? A greenhouse is used for_g_r_o_w_i_n_g__p_la_n_t_s, especially during ____ wcoeladther.
George Hambley
More carbon dioxide is a _p_o_s_i_ti_v_e___ thing,
which makes crops __p_r_o_d_u_c_e__ more and will encourage _a__g_re_a_t_e_r_r_a_n_g_e__o_f _____ _a_n_i_m_a_l_s__.
opinion? A
A. The result of the temperature increase will be serious.
B. The amount of warming is nothing serious. C. We needn’t worry about high levels of
人教版新课标 选修六 Book6 Unit4 Global Warming (Reading) 课件
Step6: Watching and discussing
1. What does the video want to tell us?
2. According to what we have learned today, what causes global warming?
3. What should we do about global warming?
What can we do about global warming?
drought
global warming too many
trees are cut down = deforestation
hot ! !
!
Reading (P.26): THE EARTH IS BECOMING WARMER —BUT DOES IT MATTER?
(Para_1_ )
towards global waro _5 )
b. whether people should do sth. about global warming
Part 3 (Para_6_ )
c. an introduction of global warming
6.反对……
6. be opposed to
7.增加，聚集 8.继续
7. build up 8. keep on
Step3: Pre-reading
Guess from the title and the two graphs: What may be talked about in the passage? A. The cause of the global warming
Unit 4 Global Warming
人教版高中英语选修六Unit 4 Global Warming reading优质PPT课件
Task 1:Skimming
giving examples,
using graphs,
(1) What is the wgriviitnignagdseftiynilteiono,f
using figures,
the passage?
discussion
A. Exposition（说明文） B. Argumentation（议论文） C. Narration(记叙文）
Who are the two scientists? And what are their opinions about global warming?
Task 2: Scanning
There is no doubt that the earth is becoming warmer and that it is
(2) What does the passage mainly talk about? A. The cause of global warming B. Two different attitudes towards global
warming C. It doesn’t matter that the earth is
Global Warming
Words study
Learning aims
• 1.Practise some reading skills: skimming, scanning, and intensive reading.
• 2.Learn some new words and phrases. • 3.Raise the awareness of protecting environment.
新人教选修六 Unit 4 Global warming-Reading[阅读课件]
Can you carry it out
Reason
Yes
save energy save energy save energy
Motor vehicles use a lot of energy, so walk or ride a bike if you can. Recycle cans, bottles, plastics and newspapers and buy things made from recycled materials.
• Skim the second letter • Does Earth Care agree with Ouyang Guang’s opinion?
No, together, individuals can make a difference.
• Scan the second letter
Discussing
could we, as an individual do something about global warming?
• turn electrical appliances off • walk or ride a bike • recycle cans, bottles, plastics • plant trees • buy products that are made to save energy • educate others
What is happening to our earth?
Global warming
What has caused the global warming?
The effects of global warming
• Negative effects:
人教版高中英语选修六unit4globalwarming-reading教学课件
Writing
Write down the advantage or disadvange of global warming in your opinion.
Homework
Surf the Internet for more information about global warming.
高中英语课件
madeofcanruohanxing
Reading:
The Earth Is Becoming Warmer-But Does It Matter?
Which of the following picture doesn't show the phenomenon of global warming?
Para.5
E.puzzles about global warming
Para.6
F.different attitudes to global warming
Para.7
G.an introduction to the passsage
Paragraph1 graph about? What has caused this phenomenon? It shows the temperature increase of one degree Farenheit between 1860 to 2000. Human activity.
Para.1
A. the cause of the earth's becoming warmer
Para.2
B.the consequence of burning fossil fuels
Para.3
C.the increase of carbon dioxide
人教版高中英语选修六课件：Unit 4 Global Warming Reading (共18张PPT)
The Earth Is Becoming Warmer – But Does It Matter?
Fast-reading
What is special about the structure of the passage? How it is organized? It has a title, a first paragraph that is in bold, the main text in two columns, and two graphs.
3.Why are there two quotes?
To support the statement.
The two different viewpoints towards the effects of global warming between Dr. Janice Foster and George Hambley
Unit 4 Global Warming
What are these buildings made of and what is their purpose? Greenhouse
They are made of glass so that plants can grow well in it when it is cold outside.
2. Can you find out the phrases to show different opinions? What are they?
On the one hand…on the other hand… Some are in favor of the view that the increasing temperature will cause catastrophe, while others are opposed to this view.