人教新课标选修六UNIT4GlobalWarming全单元课件

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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)

新人教版高中英语选修6Unit4 Global warming(ppt)

Task 1. Ss in pairs, talk about the greenhouse and answer the following questions:
What is a greenhouse? How does it work? What do you think greenhouse gases do?
9. Gorge Hambley is worried about the effects of carbon dioxide on plant growth. F 10. It is clear what the effects of global warming will be. F
Task 4. Ss read the passage again and try to divide the whole passage into several parts and summarize the main idea for each part. While reading, pay attention to the writing skills.
Task 2. Predicting: Ss read the title and predict what the text will tell.
Task 3: Ss read the passage and judge the following sentences: true of false. 1. The temperature last century didn’t increase much. F 2. Everyone believes that global warming is caused by the activities of humans. F 3. Janice Foster believes that global warming is caused by burning fossil fuels. T 4. Natural gas is greenhouse gas. F 5. Carbon dioxide is a byproduct of burning fossil T fuels.

人教版英语选修六Unit 4 Global Warming(Using Language)课件(共23张PPT)

Let’s learn how to write a passage .
Beginning : put forward the topic
Body :
ways
First /Firstly/To start with… Second /Secondly/Next… Third/ What’s more/Besides…
2.It should consist of three parts : a large heading, imperative sentences, and slogan .
Let’s learn how to make a poster
large heading Walk or __________ suggestions slogan
what to do about global warming.
Read the second letter carefully and fill in the blanks.
What can we do about global warming? 1. Turn a(n) __el_e_c_tr_i_c_a_l _a_p_p_l_ia_n_c_eoff when
More importantly/ Last but not least…
Ending : hope/future
Step1.Beginning: put forward the topic
Step2.Body:ways
Recently, global warming has become a hot topic among peopl It causes the sea level to rise and many disasters to strike. So we must take effective measures to save our planet.

人教版选修6 Unit 4 Global warming warming up(共14张PPT)

• Wind (wind power) • Sun (solar energy) • Water (hydro-electric power) • Plant waste (biomass energy) • Hot springs or geysers (geothermal energy) • The sea (tidal energy)
called “greenhouse gases”, including
carbon dioxide, methane(甲烷, 沼气)
and water vapor.
• What do you think greenhouse gases do? They trap heat from the sun and therefore warm the earth.
What is the greenhouse
made and used for?
• How does it work?
The air inside is warm because
the glass traps the heat from the
sun and keeps it from escaping. This
Fossil fuels
What are fossil fuels?
• Ancient animal and plant material below the surface of the earth with a high carbon content, such as coal, oil and natural gas, which can be burnt to produce energy. Also known as nonrenewable energy because once they are used they have gone forever; they cannot be renewed.

人教版(新课程标准)选修六Unit4GlobalWarming语言点课件

compare A with B把A和B进行比较
compare A to B 把A和B进行比较,把A比作B;
1.If you compare this dictionary with/to that one,
you’ll find many differences.
2.We often compare children to s.
4. As a result of
global warming, London
would become a water city.
5.Any damage _A____negligence must borrower.
A. resulting from B .resulting in
London would become a water city.
2.The rise in the sea level ___r_e_su_l_te_d_f_ro_m___ global warming.
3.Global warming would result in the rise in
the sea level.
C. resulted from D. resulted in
oppose vt. 反对，反抗 They opposed the new tax. I oppose your going there alone. be o•pposed to (doing) sth 反对，反抗她强烈反对他们的计划。
2.tend vt.vi 照料，护理 tend (to) sb 照料，护理某人
她在卧室里照料她儿子。 She was in the bedroom tending to her son.

人教版(新课程标准)选修6Unit4Globalwarming复习课件

目录
eg. (浙江6月卷) We drove through several states and saw lots of great sights along the way. 我们开车经过几个州，沿途看到了许多美丽的风景。
目录
9.range n.种类；范围；幅度；界限(limit) v.(在一定范围内)变动；变化(vary)；排列(arrange) •range from...to... 在……和……之间变化 range between...and... 在……和……之间变化 •a (full/wide) range of 一系列……；各种各样的 in/within range (of...) 在(……)范围内 beyond/out of range (of...) 在(……)范围外
目录
5.result in导致(cause/lead to) •result from(＝arise from)由……造成；因……而产生 •as a result 结果 as a result of 由于……；作为……的结果 without result 没有结果；白费 eg. When facing trouble, he couldn’t keep calm, which results in his constant failures. 面对困境时，他不能保持镇定，这导致他不断失败。
目录
10.keep on继续；反复做 keep on doing sth继续做某事 eg. (202X·天津6月卷书面表达)Every time I encounter whether classical music or jazz, a sense of entertainment and relief arises spontaneously, making my body refresh and offering the courage to keep on.(艺术) 每当我听到古典音乐或爵士乐时，一种娱乐和放松的感觉就会自然而然地产生，使我的身体恢复活力，并给我继续前进的勇气。

人教选修六Unit 4 Global warming全单元课件

Sources of energy Fossil fuels
Notes
• Produce carbon dioxide • cheap and concentrated form of
energy
Listening
Wind power
• clean • not practical: need huge areas of
Listening
LI BIN: But it’s not thed_e_v_e_lo_p__in_g__ countries that put most of the carbon _d_i_o_x_id_e_ into the air. The developed countries are really the ones to __b_la_m__e.
4. Nuclear power is a good source of energy.
Listening
• 2. Listen to Part 1 again and tick the energy sources that are mentioned. Complete the notes on them.
Listening
1. Listen to Part 1 and decide which statements Professor Keeling does NOT agree with.
1. We should stop depending on fossil fuels for our energy. Agree
Listening
KEELING: No, they don’t. However, that is a _p_r_o_b_le_m__ we must work on as a _g_lo_b_a_l_ community. That means _d_e_v_e_lo_p_e_d_ and _d_e_v_e_lo_p__in_g_ countries will have to work together.

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

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The Hydroelectric dams
are used to keep back water and raise its level for irrigation or for producing electricity, etc.
Discussion
An energy source is “renewable” when supplies of it never run out and “non-renewable” when one day they will run out. Which energy sources on your list are renewable and which are non-renewable?
人教新课标选修六
Unit 4
Global Warming
贵州省思南中学许义怀制作
The effects of global warming
• Negative effects:
1 cause the sea level to rise; 2 severe storms; 3 droughts; 4 famine; 5 destruction of species 6 flood
Windmills
Wind energy is used as power to produce electricity .
The coal power stations
where electricity is produced by burning coals.
in which oil is refined and made pure.
Non-renewable
Coal Oil Natural gas Uranium[化]铀 (nuclear energy)
Fossil fuels
Renewable
Wind (wind power) Sun (solar energy) Water (hydro-electric power) Plant waste 植物性废物 (biomass energy 生物团能量 ) Hot springs or geysers 间歇泉 (geothermal energy) The sea (tidal energy 潮汐能 )
energy sources
cassette player
micro-wave oven
heating
fridge
things that
light hairdryer
use in
eysnoteourrvgey
home
television computer
stove
video player
washing machine
The glass traps the heat from the sun, making the air warm so that plants can grow better.
Greenhouse gases!
What’s greenhouse gases effect?
Greenhouse gases perform the same function as the glass in heat of the sun and keep the air surrounding the earth warm. It is called the greenhouse effect.
The Oil Refineries
A nuclear power plant
a facility designed to convert nuclear energy into electricity.
Solar panels
on the roof of a house on a bright sunny day are used to collect solar energy, making your house warm or heating your water.
What are fossil fuels?
• Fossil fuels are Ancient animal and plant material below the surface of the earth with a high carbon content, such as coal, oil and natural gas, which can be burnt to produce energy. They are also known as non-renewable energy because once they are run out of /run out, they cannot be renewed.
•Money? •Technology? •Man power?
•Energy sources?
•International relations? •…
We depend on energy to do many things in our daily lives. For example, energy lights our cities and heats our buildings. Make a list of things that use energy in your home, in your school, or any other places you can think of.
What are these buildings made of and what is their purpose?
They are made of glass and plants can grow in it when it is cold outside.
How does it work?
The effects of global warming
• Positive effects:
1 make plants grow faster; 2 crops will produce more; 3 make life better
Which is the most important to a country?