高中外研版 (2019)Unit 6 Earth first图文ppt课件

这是一份高中外研版 (2019)Unit 6 Earth first图文ppt课件，共48页。PPT课件主要包含了Quiz time，Homework 等内容，欢迎下载使用。
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
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。
Perid 1Starting ut & Vcabulary感知环境问题；学习主题语块
把握主题，建立各语篇关联，形成大观念
Perid 3Using language: Grammar关注海洋环境；聚焦人类活动
Perid 4Listening & Speaking讨论雾霾污染；礼貌打断他人
Perid 2Understanding ideas打破传统观念；重新认识鲨鱼
Perid 5Develping ideas了解先进理念；真正绿色生活
Perid 6Writing宣传光盘行动；环保共同参与
Perid 7Presenting ideas & Reflectin关注“碳足迹”;回顾单元内容
Bk 2 Unit 6 Earth first
Perid 5 Develping ideas
What's really green?
At the end f the class, yu'll be able t:
distinguish sme real green living truths frm false nes;understand the lgic f causes-effects-measures in the cntext f a green lifestyle;put what yu’ve learnt tday int daily practice t live a real green life.
Learning Objectives:
What are real green living truths?What are the false nes?What are causes-effects-measures?Hw can we put the lgic int use? (talk, presentatin)Hw can we take actins t save ur planet?
Green Lifestyle
reduce waste
chse reusable items
use renewable energy
turn ff electric devices
dnate ld clthes
walk, bike, carpl ...
Watch & Brainstrm
Watch the vide and think abut what we shuld d t prtect the envirnment.
Nature is Speaking ...
What des she really want t say?Pay clse attentin t the lines. Try t make sme ntes.
What is the clip mainly abut?In yur pinin, which lines impress yu mst?
When I thrive, yu thrive. When I falter, yu falter, r wrse.Hw yu chse t live each day, whether yu regard r disregard me, desn’t really matter t me. Yur actins will determine yur fate, nt mine. I am nature. I will g n. I am prepared t evlve. Are yu?
a rhetrical sentence
take a shwer
use paper bags instead f plastic nes
turn ff lights
eat lcal fd
Hw much d yu knw abut a green lifestyle?
Lk at the questins abut “green living” and tick yur answers.
1. Which shpping bag is mre envirnmentally friendly ?A plastic bag. A paper bag.Neither f these.
2. What shuld yu d t save energy when leaving yur hme?Turn ff a device.Unplug a device.Neither f these.
3. What fd is better fr the envirnment?Fd prduced near t where yu live. Fd prduced far frm where yu live.It depends.
4. Which uses less water?Taking a bath. Taking a shwer.It depends.
Think & Predict
What's green?
Lk at the tw titles and think ut the differences between them and WHY the authr uses “What's really green” instead f “What's green”.
Paper shpping bags are better than plastic nes.
When yu turn ff a device, it stps using pwer.
Eating lcal fd is gd fr the envirnment in terms f carbn ftprint.
It’s better t take a shwer than a bath t save water.
subheadings
Read & Decide
Read the subheadings in the passage and decide if they are true r false.
expand n: t add details t what yu are saying
Expand n the main headingSlightly lnger than the main headingGive the reader an verall understanding f the text
Read the passage, check yur answers and then figure ut hw these statements g wrng.
Read & Think
Plastic bags cause litter and are a danger t animals.It takes hundreds f years fr them t break dwn.
When we turn ff a device, it ges int stand-by mde.
Lcal fd des nt need t be transprted lng distances and kept cl during transprt.
Taking a shwer uses less water than a bath.
Why d peple believe these statements are true?
Making a paper bag uses _________ as much energy as making a plastic bag and up t three times _________________ and prduces mre ________________.
the amunt f water
greenhuse gases
What kind f bag is a better chice?
A reusable bag is a better chice.
What else can be reused in ur daily life?
shpping bag
therms (保温杯)
When we turn ff a device, it still uses pwer.
Devices in _________ mde still use pwer, and lder devices in this mde can use even mre, because electricity cntinues t __________ the devices, even when it is turned “ff”.
Why is the wrd “ff” put int a qutatin mark?
Because the appliance is nt really ff, and it ges int stand-by mde and still uses pwer.
What can yu learn frm this “green truth”?
What else can we d t save energy (electricity r water)?
We need t remve ur cellphne charger (充电器) frm the pwer supply, and als unplug ther husehld appliances, fr example, washing machine, televisin, reading lamp and s n.
____________ might have used mre _______ and prduced mre greenhuse gases even ___________________________.
Lcal prduce
taking int accunt its transprt
If yu spend ver ____________ in a shwer, yu’ll use _______________ in a bath – abut ______________.
eight minutes
as much water as
50 litres f water
What's a better way t take a shwer?
Keep yur shwer time as shrt as pssible.
Take a reusable bag with yu when yu g shpping.
T make sure the appliance is in fact ff, remve the plug frm its pwer supply.
Eating lcal fd isn't always better frthe envirnment.
Read & Reflect
Hw much d yu knw abut a green lifestyle, after reaing the text?
Have this quiz, again!
Read & Summarise
Find wrds and expressins that can cnnect the causes and effects.
because f this, This happens because, if, due t the fact that,
s, therefre, thus, then, as a result, cnsequently
Fr example:
Making a paper bag uses mre energy and water than making a plastic bag. It als prduces mre greenhuse gases. CONSEQUENTLY, paper bags are nt gd fr the envirnment.
SINCE yu'll use the same amut f water as in a bath if yu spend mre than eight minutes in the shwer, it's nt always better t take a shwer than a bath.
Retell & Review
Retell the passage based n the mind map.
Paper shpping bags
time t break dwn; energy and water; greenhuse gases; a reusable bag
electric devices
pwer leak in stand-by mde; remve the plug
ReallyGreen
shwer r bath
in sme cases; mre energy; mre greenhuse gases
It depends; shwer time; eight minutes
Recently, sme green truths have been prved t be nly half true, r even cmpletely false. Fr example, the majrity f peple mistake paper bags as much mre envirnmentally friendly than plastic nes. Actually, making a paper bag cnsumes fur times as much energy as making a plastic ne and up t three times the amunt f water. The prcess als prduces mre greenhuse gases. Cnsequently, taking a reusable bag is a better chice.
The 1_______(majr) f us take steps t save energy and reduce pllutin. But recently, sme “green truths” 2_______________(shw) t be nly half true, r even 3_________(cmplete) false. Plastic bags cause litter and are a danger t wild animals, 4______mistake them fr fd. S peple think paper bags are the better envirnmental chice. 5_________, making a paper bag uses fur times as much energy 6___ making a plastic ne. In fact, bth kinds f bags are bad 7_____ the envirnment. Yu shuld unplug a device rather than turn it ff when 8_______(leave) yur hme. Is eating lcal fd gd fr the envirnment? The answer is “N”. 9___is the prductin f fd, nt its transprt, that uses mst f the energy. Peple ften thinks it`s better t take a shwer than a bath, but it`s nt right. It depends n hw lng yu spend in the shwer and hw large yur bath is. 10_________ , the key is t keep yur shwer time as shrt as pssible.
have been shwn
Think & Share
Are yu aware f any ther “green truths” that are nt true?
1 Use these questins t help plan yur talk.Which “green truth” are yu ging t talk abut?Why d peple believe it is “green”?Why is it nt cmpletely true?What can yu d t becme “greener”?
2 Organise yur talk fllwing the steps belw.Start yur talk by stating the tpic.Describe yur chsen “green truth” in mre detail.Explain why it is nt cmpletely true.End yur talk by encuraging yur audience t becme “greener”.
Tpic: Are electric cars really “green”?Descriptin: Electric cars run n electricity and they dn’t burn gasline at all; therefre they dn’t emit CO2, thus creating “zer emissin” (零排放).
Explanatin: Althugh driving an electric car des nt cause any air pllutin, the pllutin mainly cmes frm the prductin f its battery and the electricity used t keep it running. The prductin f the electric batteries requires lithium(锂). A large amunt f energy is used n mining and prcessing this metal. Meanwhile, the electricity by which electric cars are pwered is mainly frm burning cal r gas. All f these cntribute t carbn emissins. Cnsequently, electric cars aren’t really green.
Take actins nw!
What can we d t becme “greener” r becme really green, nt just green?
Changing Yur Persnal Habits
Carry a reusable water bttle s yu will nt need bttled water.
Use reusable bags while yu’re shpping.
Reuse items t save them frm the landfill.
Reduce the amunt f time yu spend using electrnics(电子产品).
Buy secnd-hand prducts r brrw items instead f buying them new.
Turn lights ff when they aren’t in use
Creating a Green Hme
Cut dwn n yur water use.
Line dry yur clthing instead f using a dryer.
Eat less meat because it takes mre resurces t raise.
Recycle paper, cardbard, plastic, glass, and metal cans.
Staying Green n the Mve
Walk r ride a bike t sme places if yu live clse enugh.
Use public transprtatin t travel lng distances.
Everyne can't d everything, but everyne can d smething.
Discver mre green truths that are nt cmpletely true and explain these ideas by using the causes-effects-measures.