高中英语 新外研-必修 Unit 6-第5课时-Developing ideas PPT Unit 6-第6课时课件

1、深圳市教育科学研究院 2022年3月深圳教育云资源平台建设教学教材：外研版高中英语新教材必修二教学内容：Unit 6 Earth first第六课时：Developing ideas执教人：卜雅伟/深圳市龙华高级中学教育集团高中部Feb. 14th, 2022大观念视角下的单元整体学习主题语境 “人与自然”关爱地球、保护环境正视环保问题单元大观念：正视全球面临的环保问题，了解先进的环保理念，增强环保意识，践行绿色生活方式，树立共同关爱地球，保护环境，与自然和谐相处的价值观。子主题Period 1Starting out & Vocabulary感知环境问题；学习主题语块 把握主题，建立各语篇关

2、联，形成大观念Period 3Using language: Grammar关注海洋环境；聚焦人类活动Period 4Listening & Speaking讨论雾霾污染；礼貌打断他人增强环保意识践行环保理念Period 2Understanding ideas打破传统观念；重新认识鲨鱼Period 5Developing ideas了解先进理念；真正绿色生活Period 6Writing宣传光盘行动；环保共同参与Period 7Presenting ideas & Reflection关注“碳足迹”;回顾单元内容Book 2 Unit 6Earth firstPeriod 5 Develop

3、ing ideasWhats really green?At the end of the class, youll be able to: distinguish some real green living truths from false ones;understand the logic of causes-effects-measures in the context of a green lifestyle;put what youve learnt today into daily practice to live a real green life.Learning Obje

4、ctives:Questions: What are real green living truths?What are the false ones?What are causes-effects-measures?How can we put the logic into use? (talk, presentation)How can we take actions to save our planet?Green Lifestylesave waterreduce wastechoose reusable itemsuse renewable energyturn off electr

5、ic devicesdonate old clotheswalk, bike, carpool .Watch & BrainstormWatch the video and think about what we should do to protect the environment.Activity 1Watch & BrainstormNature is Speaking .Activity 1What does she really want to say?Pay close attention to the lines. Try to make some notes.What is

6、the clip mainly about?In your opinion, which lines impress you most?When I thrive, you thrive. When I falter, you falter, or worse.How you choose to live each day, whether you regard or disregard me, doesnt really matter to me. Your actions will determine your fate, not mine. I am nature. I will go

7、on. I am prepared to evolve. Are you?a rhetorical sentenceGreen Lifestylereduce wastetake a showeruse paper bags instead of plastic onesturn off lightseat local foodChect outActivity 2Quiz time!How much do you know about a green lifestyle?Look at the questions about “green living” and tick your answ

8、ers.1. Which shopping bag is more environmentally friendly ?A plastic bag. A paper bag.Neither of these. 2. What should you do to save energy when leaving your home?Turn off a device.Unplug a device.Neither of these. 3. What food is better for the environment?Food produced near to where you live. Fo

9、od produced far from where you live.It depends. 4. Which uses less water?Taking a bath. Taking a shower.It depends. Think & PredictWhats green?Whats really green?Activity 3Look at the two titles and think out the differences between them and WHY the author uses “Whats really green” instead of “Whats

10、 green”.Paper shopping bags are better than plastic ones.When you turn off a device, it stops using power.Eating local food is good for the environment in terms of carbon footprint.Its better to take a shower than a bath to save water.Think & PredictActivity 3subheadingsRead & DecideRead the subhead

11、ings in the passage and decide if they are true or false.expand on: to add details to what you are sayingActivity 4Whats really green?Paper shopping bags are better than plastic ones.When you turn off a device, it stops using power.Eating local food is good for the environment in terms of carbon foo

12、tprint.Its better to take a shower than a bath to save water.Expand on the main headingSlightly longer than the main headingGive the reader an overall understanding of the text Read & DecideRead the subheadings in the passage and decide if they are true or false.expand on: to add details to what you

13、 are sayingActivity 4Paper shopping bags are better than plastic ones.When you turn off a device, it stops using power.Eating local food is good for the environment in terms of carbon footprint.Its better to take a shower than a bath to save water.Read & DecidePaper shopping bags are better than pla

14、stic ones.When you turn off a device, it stops using power.Eating local food is good for the environment in terms of carbon footprint.Its better to take a shower than a bath to save water.Read the passage, check your answers and then figure out how these statements go wrong.Read & ThinkActivity 5Pla

15、stic bags cause litter and are a danger to animals.It takes hundreds of years for them to break down.When we turn off a device, it goes into stand-by mode.Local food does not need to be transported long distances and kept cool during transport.Taking a shower uses less water than a bath.Why do peopl

16、e believe these statements are true?Plastic bags cause litter and are a danger to animals.It takes hundreds of years for them to break down.Making a paper bag uses _ as much energy as making a plastic bag and up to three times _ and produces more _.four timesthe amount of watergreenhouse gasesWhat k

17、ind of bag is a better choice?A reusable bag is a better choice.What else can be reused in our daily life? shopping bagthermos (保温杯)coffee cupmeal boxWhen we turn off a device, it still uses power.Devices in _ mode still use power, and older devices in this mode can use even more, because electricit

18、y continues to _ the devices, even when it is turned “off”.stand-byleak from“off”Why is the word “off” put into a quotation mark? Because the appliance is not really off, and it goes into stand-by mode and still uses power. What can you learn from this “green truth”?What else can we do to save energ

19、y (electricity or water)?We need to remove our cellphone charger (充电器) from the power supply, and also unplug other household appliances, for example, washing machine, television, reading lamp and so on. Local food does not need to be transported long distances and kept cool during transport._ might

20、 have used more _ and produced more greenhouse gases even _.Local produceenergytaking into account its transportTaking a shower uses less water than a bath.If you spend over _ in a shower, youll use _ in a bath about _.eight minutesas much water as50 litres of waterWhats a better way to take a showe

21、r?Keep your shower time as short as possible.Take a reusable bag with you when you go shopping.To make sure the appliance is in fact off, remove the plug from its power supply.Eating local food isnt always better forthe environment.Keep your shower time as short as possible.Read & ReflectHow much do

22、 you know about a green lifestyle, after reaing the text?Activity 6Have this quiz, again!1. Which shopping bag is more environmentally friendly ?A plastic bag. A paper bag.Neither of these. 2. What should you do to save energy when leaving your home?Turn off a device.Unplug a device.Neither of these

23、. 3. What food is better for the environment?Food produced near to where you live. Food produced far from where you live.It depends. 4. Which uses less water?Taking a bath. Taking a shower.It depends. Read & SummariseActivity 7Find words and expressions that can connect the causes and effects.becaus

24、e of this, This happens because, if, due to the fact that,so, therefore, thus, then, as a result, consequentlySinceFor example:Making a paper bag uses more energy and water than making a plastic bag. It also produces more greenhouse gases. CONSEQUENTLY, paper bags are not good for the environment. S

25、INCE youll use the same amout of water as in a bath if you spend more than eight minutes in the shower, its not always better to take a shower than a bath.Retell & Review Activity 8Retell the passage based on the mind map. Paper shopping bagstime to break down; energy and water; greenhouse gases; a

26、reusable bagelectric devicespower leak in stand-by mode; remove the plugReallyGreenlocal foodshower or bathin some cases; more energy; more greenhouse gasesIt depends; shower time; eight minutesFor example:Recently, some green truths have been proved to be only half true, or even completely false. F

27、or example, the majority of people mistake paper bags as much more environmentally friendly than plastic ones. Actually, making a paper bag consumes four times as much energy as making a plastic one and up to three times the amount of water. The process also produces more greenhouse gases. Consequen

28、tly, taking a reusable bag is a better choice. The 1_(major) of us take steps to save energy and reduce pollution. But recently, some “green truths” 2_(show) to be only half true, or even 3_(complete) false. Plastic bags cause litter and are a danger to wild animals, 4_mistake them for food. So peop

29、le think paper bags are the better environmental choice. 5_, making a paper bag uses four times as much energy 6_ making a plastic one. In fact, both kinds of bags are bad 7_ the environment. You should unplug a device rather than turn it off when 8_(leave) your home. Is eating local food good for t

30、he environment? The answer is “No”. 9_is the production of food, not its transport, that uses most of the energy. People often thinks its better to take a shower than a bath, but its not right. It depends on how long you spend in the shower and how large your bath is. 10_ , the key is to keep your s

31、hower time as short as possible. majority have been shown completely which However as for leaving It Therefore直击高考Think & Share Are you aware of any other “green truths” that are not true? Activity 912Some tips! 1 Use these questions to help plan your talk.Which “green truth” are you going to talk a

32、bout?Why do people believe it is “green”?Why is it not completely true?What can you do to become “greener”?2 Organise your talk following the steps below.Start your talk by stating the topic.Describe your chosen “green truth” in more detail.Explain why it is not completely true.End your talk by enco

33、uraging your audience to become “greener”.Topic: Are electric cars really “green”?Description: Electric cars run on electricity and they dont burn gasoline at all; therefore they dont emit CO2, thus creating “zero emission” (零排放). For example:Explanation: Although driving an electric car does not ca

34、use any air pollution, the pollution mainly comes from the production of its battery and the electricity used to keep it running. The production of the electric batteries requires lithium(锂). A large amount of energy is used on mining and processing this metal. Meanwhile, the electricity by which electric ca