七年级下册（2024）Section 1教学ppt课件

这是一份七年级下册（2024）Section 1教学ppt课件，文件包含Unit5Waterislife第二课时ListeningSpeaking课件pptx、Unit5Waterislife第2课时ListeningSpeaking教学设计docx、Unit5Waterislife大单元整体教学设计docx、Unit5Listeningmp3、Unit5Speakingmp3、地球水资源有多少科普动画mov等6份课件配套教学资源，其中PPT共46页， 欢迎下载使用。
By the end f the lessn, I will be able t...
btain infrmatin n interesting facts abut water during the listening prcess and accumulate relevant language knwledge.
master the prnunciatin and spelling rules f /str/, /spl/, /spr/, and /skr/.
express my views and pinins n water.
understand the imprtance f water and prpse effective methds fr saving water.
Learning bjectives
ended up in a reservir
went int a special place and gt cleaned
travelled thrugh the pipes under the streets
gt t Du Yun’s hme
Cmplete Dripple’s jurney.
What d yu knw abut water?
undrinkable
词根助记：-able 能够的； un- 否定前缀
1. Lk at the pictures and learn the wrds and phrases.
Pre-listening
The water n the left is _______________, while that n the right is _______________.
bath / take a bath
shwer / take a shwer
Can yu tell me which ne yu prefer, a bath r a shwer? Why?
drinking water
surface /ˈsɜːfɪs/ n. 表面
What interesting facts d yu knw abut water?
(1) Hw much water des yur bdy cntain?(2) Hw much f the Earth’s surface is cvered with water?(3) Is the majrity f the water n Earth fresh water r salt water?
Water and us
___________________________________________________________________________
Listen t the pdcast abut water and write dwn the tpics mentined in it?
D yu knw any ther facts abut water?
Tips: 1. Read the instructins and fcus n the “tpic sentence” at the very beginning f the talk.2. Listen fr key wrds in each part.
The water n Earth
Ways t save water
The water in the human bdy
While-listening
Listen again and cmplete the ntes belw.
表示一段时间的名词词组
wash clthes and take baths
Listen with purpse
Gd evening and welcme t this week’s episde f The Natural Wrld. I’m Rebecca, and tnight we’ll be talking abut water. Abut 70% f the Earth’s surface is cvered by water, but 97% f it is salt water, which is nt drinkable. Only abut 3% f the water n Earth is fresh water, and mst f that is lcked up in ice. S, nly abut half a percent f Earth’s water is usable fr drinking. Clean and safe drinking water is hard t find in many places.
usable 可用的；unusable 不可用的useful 有用的；useless 无用的
be cvered by 被……覆盖
Pst-listening
Water is essential because mst f the human bdy is made f water — arund 60% in an average adult. Sme parts f the bdy cntain even mre, like the brain, which is abut 75% water. While humans can survive fr weeks withut fd, we can nly live a few days withut water. We need arund 2 t 3 litres f water per day, and athletes usually need mre. In ht weather, peple als require mre water.
essential 重要的 = imprtant
require sth. 寻求某物require sb. t d sth. 要求某人做某事
while 然而（连词，表示对比）I like tea, while my friend prefers cffee.我喜欢茶，然而我的朋友喜欢咖啡。
Hwever, much f the water we use ges int activities like washing clthes and taking baths. T save water, cnsider taking a quick shwer instead f a bath, and remember t turn ff the tap while brushing yur teeth. This simple actin can save ver 100 litres f water in a week.
cnsider ding sth. 考虑做某事
instead f ding sth代替；而不是
turn ff 关掉turn n 打开turn left / right 向左/右转turn up 出现
Cmplete the sentences.1) I cnsider ______(d) my hmewrk befre playing vide games.2) He turned ______ the music because it was t lud.3) Our schl ______(require) us ______(wear) unifrms every day.4) Yu shuld eat vegetables ______ ______ junk fd t stay healthy.
instead f
Hw can we use water wisely?
Yur speech can begin like this: Water is very imprtant, and we need t use it wisely. Here is sme f my advice. At hme, we can save water by ... Fr example, we shuld ... We can als ... instead f ... In cnclusin, we shuld save water bth at hme/at schl. Let’s all wrk tgether t save water!
Discuss the questin belw in pairs. S1 fcused n advice at hme while S2 fcused n that at schl.
Turn ff the tap while brushing yur teeth. Take shrter shwers instead f lng nes. Fix dripping taps immediately t prevent wasting water. Use a bucket t wash the car instead f using a pipe. Water the plants early in the mrning r late in the evening t reduce evapratin (蒸发).
sme pssible answers
Turn ff the tap after washing yur hands. Tell the teacher r staff if yu see any water leaking (漏水). Dn’t waste water when cleaning the classrm. Encurage yur classmates t use water carefully. Use a cup t drink water instead f leaving the tap running (流).
quick shwer
turn the tap ff
ver a hundred
Fill in the blanks and retell the facts abut water.
Talking abut different ways f using water
Task 1: Wrk in grup f fur. Talking abut the usage f water in different places.
Different uses f water At hme: ... At schl: ... In factries: … On farms: …
Talk in grups abut hw we use water at hme.
What can we use water fr at hme?
bathing and shwering
We use water fr + ding / t + d need t + d ...
washing hands
washing dishes
washing clthes
What can we use water fr at schl?
ding experiments
Talk in grups abut hw we use water at schl.
What can we use water fr at factry?
cling machines
making prducts
Talk in grups abut hw we use water at factry.
What can we use water fr n farms?
watering crps
prviding water fr animals
Talk in grups abut hw we use water n farms.
Nw it’s yur turns. Yu can fllw the examples:
S1: Water is an imprtant part f ur lives. We use it fr s many things at hme.S2: Yu’re right. We need t drink enugh water every day t stay healthy.S3: We als use water when we take a shwer r bath.S4: And we need water t ck fd and t wash the
Further thinking: Hw t save water?
Hw can we save water at the fllwing situatins?
Situatin: ______________ Water-saving tip: ________ _______________________
turn ff the water when yu’re nt using it
When we are washing hands, we can ______ t save water.
Task 2: Talk with yur partner. Talking abut hw we can save water.
take a bath
take a shwer
use the water t water flwers.
When we are cking, we can ______ t save water.
use the waste water t d sme cleaning
When we are washing clthes, we can ______ t save water.
cllect enugh clthes and use washing machine
Listen and repeat. Pay attentin t the letters in blue.
Can yu give mre examples?
/str/is the prnunciatin f the letter cmbinatin str in a wrd.Read the wrds and sentence with /str/. Pay attentin t the underlines.
It was strange fr him t walk n the street all night.
Cnsnant cluster /str/
/spl/is the prnunciatin f the letter cmbinatin spl in a wrd.Read the wrds with /spl/. Pay attentin t the underlines.
Cnsnant cluster /spl/
/spr/is the prnunciatin f the letter cmbinatin spr in a wrd.Read the wrds with /spr/. Pay attentin t the underlines.
Cnsnant cluster /spr/
/skr/is the prnunciatin f the letter cmbinatin skr in a wrd.Read the wrds with /skr/. Pay attentin t the underlines.
Cnsnant cluster /skr/
Listen and judge. Raise the Green Card hand if yu hear the wrd in “a”; Raise the Red Card if yu hear the wrd “b”.
1. /str/ vs /spr 2. /spr/ vs /spl/ a. strawberry b. spring a. spread b. splashed3. /spl/ vs /str4. /skr/ vs /str/a. splendid b. strange a. screenwriter b. strawberry
The wrds we have learned
1. bath n. ________________ 2. /sɔːlt/ adj. ______________ 3. /breɪn/ n._____________4. ____________ adj. 可饮用的5. waste v. _______________6. 饮用水 _________________
Hw we use water
in factries
brush teeth
wash clthes
cl machines
Where we use water
Hw can we save water?