global warming .ppt
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选修6 unit4 Global Warming课件 PPT
A scientist called Charles Keeling found that the carbon dioxide in the atmosphere went up from around
315 parts to around 370 parts __p_e_r____ million in 40 years. All scientists accept the date and agree the burning of more and more fossil fuels has __r_e_s_u_lt_e_d_i_n___ this increase.
6. It is clear what the effects of global warming will be.
Line 45: No one knows…
Summary
The earth is being warming and all scientists _s_u_b_s_cr_ib_e__ t_o___ the view that the increase in the earth’s temperature is due to the burning of _fo_s_s_i_l _ __fu_e_l_s__. Some _b_y_p_r_o_d_u_c_ts_ of this process are called _g_re_e_n_h_o_u_s_e__g_a_s_e_s_, the most important one of which is ___c_a_rb_o_n__d_io_x_i_d_e____. We need these gases, but the problem begins when we add huge __q_u_a_n_tit_ie_s__o_f ____ extra carbon dioxide into the atmosphere. It means that more heat energy __t_e_n_d_s__ to be trapped in the atmosphere causing the global temperature to __g_o__u_p_____.
315 parts to around 370 parts __p_e_r____ million in 40 years. All scientists accept the date and agree the burning of more and more fossil fuels has __r_e_s_u_lt_e_d_i_n___ this increase.
6. It is clear what the effects of global warming will be.
Line 45: No one knows…
Summary
The earth is being warming and all scientists _s_u_b_s_cr_ib_e__ t_o___ the view that the increase in the earth’s temperature is due to the burning of _fo_s_s_i_l _ __fu_e_l_s__. Some _b_y_p_r_o_d_u_c_ts_ of this process are called _g_re_e_n_h_o_u_s_e__g_a_s_e_s_, the most important one of which is ___c_a_rb_o_n__d_io_x_i_d_e____. We need these gases, but the problem begins when we add huge __q_u_a_n_tit_ie_s__o_f ____ extra carbon dioxide into the atmosphere. It means that more heat energy __t_e_n_d_s__ to be trapped in the atmosphere causing the global temperature to __g_o__u_p_____.
Global Warmingppt课件
白唇鹿的体型大小与水鹿、马鹿相似。头骨泪窝大而深。唇的周围和下颌为白色， 故名“白唇鹿”，为我国特产动物。成年雄鹿角的直线长可达1米，有4-6个分叉， 雌性无角。蹄较宽大。通体呈黄褐色，臀斑淡棕色，没有黑色背线和白斑。 栖息在海拔3500-5000米的高寒灌丛或草原上。白天常隐于林缘或其他灌木丛中， 也构件登流石滩和裸岩峭壁，善于爬山奔跑。喜欢集群生活。主要采食禾本科、 蓼科、景天科植物，也吃多种树叶，有食盐的习性。发情交配多在9-11月份， 雄性间有激烈的争偶格斗，孕期8个月左右，每胎1仔，幼鹿身上有白斑。鹿茸产 量较高，是名贵中药材。
物种代码011030017 中文名黑麂
拉丁学名Muntiacus crinifrons 俗名红头麂，蓬头麂
商品名麝香
英文名Black fronted Muntjac CITES公约附录附录I IUCN等级易危 红皮书等级渐危
国家保护等级一级
濒危原因种内生物学特点，栖息地破坏，
作为食物被捕猎，因为贸易被捕猎
拉丁学名Capra ibex 俗名亚洲 羊，红羊，悬羊
商品名英文名Ibex CITES公约附录未列入 IUCN等级未列入 红皮书等级濒危
国家保护等级一级
濒危原因作为食物被捕猎，
栖息地破坏
物种代码010530009 中文名云豹
拉丁学名Neofelis nebulosa 俗名乌云豹，龟纹豹，荷叶豹，艾叶豹，樟豹
.
1.Earthquakes and volcanic eruptions are examples of
natural disasters .
2.The giant panda and the Bengal tiger are
endangered species
物种代码011030017 中文名黑麂
拉丁学名Muntiacus crinifrons 俗名红头麂，蓬头麂
商品名麝香
英文名Black fronted Muntjac CITES公约附录附录I IUCN等级易危 红皮书等级渐危
国家保护等级一级
濒危原因种内生物学特点，栖息地破坏，
作为食物被捕猎，因为贸易被捕猎
拉丁学名Capra ibex 俗名亚洲 羊，红羊，悬羊
商品名英文名Ibex CITES公约附录未列入 IUCN等级未列入 红皮书等级濒危
国家保护等级一级
濒危原因作为食物被捕猎，
栖息地破坏
物种代码010530009 中文名云豹
拉丁学名Neofelis nebulosa 俗名乌云豹，龟纹豹，荷叶豹，艾叶豹，樟豹
.
1.Earthquakes and volcanic eruptions are examples of
natural disasters .
2.The giant panda and the Bengal tiger are
endangered species
Unit4GlobalWarming说课课件
护环境的意识。
教学重难点
• 教学重点： 1. 如何使学生能够学会看懂图表，运用图表，描述
图表。 • 教学难点： 1. 如何使学生提高阅读技能 2. 如何使环境保护意识渗透到教学中。
教学方法
• 评判性阅读 • 评判性阅读是一种积极地个性化的阅读，它重视
读者在阅读过程中的主体参与，独立研究，反思 质疑，分析与评价。 • 评判性阅读策略：预测和概述
decrease
climb / rise
/fall / drop /
/jump
decline
0
t
0
t
As is shown/described in the graph, ______________
设计意图：用学生熟悉的话题（物理速度与时间的关系 图）导入，激发学习兴趣；回答问题时，给出句型和词 汇，可以逐步渗透相关图表作文的表达
Para 2: reason: greenhouse from the graph that
effect
subscribe to the view that
Para 3: fact: the rise of CO2 result in Para 4:reason: fossil burning On the one hand,
Homework
• 1. complete the composition. • 2. surf the internet and find out more
information about the harm of global warming.
板书设计
The earth is becoming warmer
Step 3：post-reading 会说图
教学重难点
• 教学重点： 1. 如何使学生能够学会看懂图表，运用图表，描述
图表。 • 教学难点： 1. 如何使学生提高阅读技能 2. 如何使环境保护意识渗透到教学中。
教学方法
• 评判性阅读 • 评判性阅读是一种积极地个性化的阅读，它重视
读者在阅读过程中的主体参与，独立研究，反思 质疑，分析与评价。 • 评判性阅读策略：预测和概述
decrease
climb / rise
/fall / drop /
/jump
decline
0
t
0
t
As is shown/described in the graph, ______________
设计意图：用学生熟悉的话题（物理速度与时间的关系 图）导入，激发学习兴趣；回答问题时，给出句型和词 汇，可以逐步渗透相关图表作文的表达
Para 2: reason: greenhouse from the graph that
effect
subscribe to the view that
Para 3: fact: the rise of CO2 result in Para 4:reason: fossil burning On the one hand,
Homework
• 1. complete the composition. • 2. surf the internet and find out more
information about the harm of global warming.
板书设计
The earth is becoming warmer
Step 3：post-reading 会说图
高中英语人教版必修课件-Unit 4 Global warming.
II. Climate Change and Weather
1 The Scientific
Evidence
Learn about the compelling scientific evidence that shows the link between global warming and climate change.
increase in natural
leading to more
disasters, such as
extreme events such as
floods and droughts.
hurricanes and
heatwaves.
III. Impacts on Ecosystems
1
Changes to Vegetation
1
Personal Actions
Explore simple and impactful lifestyle changes individuals can make to reduce their carbon footprint and contribute to the fight against global warming.
Uncover the major contributors to global warming, including greenhouse gas emissions and human activities.
Overview of the Consequences
Explore the wide-ranging impacts of global warming on ecosystems, weather patterns, and human health.
《全球变暖英文》课件
要点二
Metal emissions
Investing in technologies and practices to reduce metal emissions from agriculture, landfills, and natural gas production
要点三
Nitrous oxide emissions
Glacier melting
Glaciers are retreating at an increasing rate, losing mass and shrinking in size This is due to warming temperatures, which is due to ice to melt and glaciers to receive
exacerbation of the greenhouse effect and ultimately causing global warming.
The impact of global warming
Global warming has a wide-ranging impact on natural ecosystems and human society.
Ecosystems are also experiencing shifts in specifications composition, range, and background This can lead to a loss of biodiversity and disrupt ecological balance The loss of specifications and ecosystems has negative implications for human well being and sustainable development
课件12：Unit 4 Global warming
.
4．as/so long as引导条件状语从句；if not省略句 It is OK to leave an electrical appliance on so long as (只要) you are using it— if not (如果不)，turn it off! (仿写)①只要你喜欢，你就可以待在这里。 You may stay here so/as long as you like . ②我可能明天去看你。如果不是明天，那就在周六。 I might visit you tomorrow. If not，then it’ll be Saturday .
【归纳】
doingsth. 反对做某事
(1)oppose sb.doing sth.
反对某人做某事
(2)opposed adj. 相反的；对立的
be opposed to 反对……；与……对立
(3)opposite prep.& adj.& n. 在……对面；相反的；相反；对立
【注意】 (1)oppose 后跟表示动作的词作宾语时，后面要用动名词形式。 be opposed to 结构中，to 是介词，其后也要用动词的-ing 形式。 (2)表示反对的其他表达：disagree with, object to, be against 等。
②The price of the house is so high that it is wellbeyond/out of our range.
这栋房子的价格太高了，远远超过了我们能承受的范 围。
【归纳】 (1)a wide range of 一系列…… in/within range 在射程以内；在范围内 beyond/out of range 在射程外；在范围外 beyond/out of one’s range 某人能力达不到的 (2)range from...to... 在 …… 范 围 内 变 动 ； 包 括 由 …… 到……之间的各类事物 range between...and... 在……和……范围内变动
北师大版Unit2Lesson1Global Warming阅读 PPT
Read the text and answer the questions.
1. What human activities are causing global warming? 2. By how much has the global average temperature
increased in the last 100 years? 3. Are greenhouse gases necessary for life on Earth? 4. How can we help solve the problem of global
There have been several summits of governments to discuss this problem but many countries don’t want to make changes to their factories and industrial works as this would cost them money.
21
buy the recycled products
The recycling symbol
22
use low-flow shower heads
buy energy-efficient light bulbs
23
Post reading: Group work
Voice your opinions:
warming. E. What cause global warming
Scanning:
Scan the text below for these words and work out their meanings.
《Unit4GLOBALWARMING》课件三(31张PPT)(人教版选修6)
Read the text carefully and sum up the main idea of each part.
Part 1.--------Para 1
Part 2.-------Para2-3
Part 3.-------Para4-8
Part 4.-------Para9
Introduce a debate over the issue of global warming
2.Severe storms,droughts, famines,the spread of diseases and the destruction of species.
Hale Waihona Puke Good points:1.Make plants grow faster 2.Crops will produce more
6 People accept Charles Keeling’s data because he took accurate measurements . T 7 Flooding could be one of the effects of future global warming . T
8 George Hambley believes scientists are just guessing about the effects of global T warming .
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 a greenhouse gas . F 5 Carbon dioxide is a byproduct (副产品) of burning fossil fuels. T
6-4Unit 4 Global warming(148张PPT)
②trend n. ________ ④individual adj. ________ ⑥commitment n. ________ ⑧flood n. ________ ⑩renewable adj. ________ ⑫fuel n. ________
2. 高频单词·应用 ①________ adj. 平均的 ②________ vi. 看一下；扫视 n. 一瞥 ③________ vt. 反对；反抗；与(某人)较量 ④________ adj. 分布广的；普遍的 ⑤________ n. 环境；情况 ⑥________ vi. 趋向；易于；照顾 vt. 照顾；护理 ⑦________ adj. 平稳的；持续的；稳固的 ⑧________ n. 种类；范围 ⑨________ vt. 陈述；声明
⑥________ n. 现象→ ________ n. (pl.)现象 ⑦________ vt.陈述；声明→ ________ n. 陈述；声明 ⑧________ vi. 趋向；易于；照顾 vt. 照顾；护理→ ________ n. 倾向 ⑨________ n. 显示；演出→ ________ vt. 显示；赠送 ⑩________ n. 污染；弄脏 → ________ vt. 污染→ ________ adj. 被污染的 ⑪________ adj. 随便的；漫不经心的；偶然的→ ________ adv. 随便地；漫不经心地
Ⅱ.联想归纳
动词＋about 必备短语
①come about
发生；造成
②care about 关心；在乎
③bring about 导致；造成
④talk about 谈论
⑤worry about 担心
⑥complain about 抱怨
《Globalwarming》课件三十七(31张PPT)(人教版选修6)
Read carefully and mark Are these statements true or 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 the burning fossil fuels. T F 4. Natural gas is a greenhouse gas.
Some people others
predict _____________ severe storms __________,_________, droughts famines the spread of ____________________ diseases and _________, ____________________ the destruction of ________. species
trap…from…: keep sth in a place 存住…中的…
How does it work
Gases in the atmosphere surrounding the earth. People burn some fossil fuels like coal,
natual gas and oil to produce energy , Greenhouse which causes the increase in the earth’s Gases! temperature Some byproducts 副产品 of this process, like carbon dioxide(CO ), methane(CH ), water vapour(H O), are called greenhouse gases.
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Flood More than 3 million of them- that is more than 10 percent of Australia's population! - have been affected by this: massive flooding in eastern Australia. Authorities calling this one of the most costly disasters in Australia's history. The floods have had a big impact on crops, on tourism, retail and manufacturing.
What we should do
• National efforts • Individual efforts
National efforts
• Try to agree on a major new international treaty to curb the gases that promote global warming among all nations. • Make laws to protect environment in every nation.
Global temperature change
What’s more , scientists expected that the average global surface temperature could rise 0.6-2.5℃ in the next 90 years , and 1.45.8℃ in the next century!
1. 2. 3. 4. What is global warming? What cause global warming? What is the impact of global warming? What we should do to face global warming?
What’s global warming
The Yellow River starting point in 2002
The Yellow River starting point in 2007
Individual efforts
• Go to wok by bus , foot … • Use fewer electronic products • Say no to plastic bags
What’s the impacts of global warming
Alaska in 2000 Alaska in 2008
Prague’s （布拉格，The Czech capital ） temperature reach the peak at the same time for nearly 60 years！
Global Warming
By Xu hang 8th,April,2011
Content(4 whats):
The change in the surface air temperature ,referred to as the global temperature，brought about by the enhanced greenhouse effect (温室效应), which is induced by emission of greenhouse gases into the air.
2. Industrial production
What’s the impact of global warming
Drought Guangxi, Chongqing, Sichuan, Guizhou , Yunnan, five provinces have been caused by a severe drought 51.049 million people were affected, tolls direct economic losses of 19.02 billion yuan.
What cause global warming
• Greenhouse effect • Human activities-emission
Greenhouse effect
ቤተ መጻሕፍቲ ባይዱ
Human activities-emission
1.Deforestation（森林砍伐） （森林砍伐） Desertification(沙漠化 沙漠化) 沙漠化