沪教牛津版（2024）七年级下册（2024）Unit 5 Water is lifeSection 4教学课件ppt

这是一份沪教牛津版（2024）七年级下册（2024）Unit 5 Water is lifeSection 4教学课件ppt，文件包含Unit5Waterislife第五课时Focusonculture课件pptx、Unit5Waterislife第5课时Focusonculture阅读拓展与跨学科项目课教学设计docx、Unit5Waterislife大单元整体教学设计docx、Theworldofwatermp4等4份课件配套教学资源，其中PPT共41页， 欢迎下载使用。
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Learning bjectives
Understand the imprtance f water fr city develpment. Understand the imprtance f water in the human bdy.Develp research and critical thinking skills thrugh explring water-related issuesCllabrate with peers t make a presentatin fr Wrld Water Day.
Why is the Earth called “the blue planet”?What imprtant rle des the cean play in ur lives?Hw is the Earth different frm ther planets?
Let’s watch a vide t get the answer!
Why is the Earth called “the blue planet”?What imprtant rle des the cean play in ur lives?Hw is the Earth different frm ther planets?
The Earth lks blue because mst f the Earth’s surface is cvered by water.
The cean prvides us with fd, and makes it pssible t transprt gds all arund the wrld.
The Earth is the nly planet knwn t have bdies f water n it.
After yu watch, answer the questins.
Have a lk at the map. Where d mst peple live?
Pre-reading
What d these cities have in cmmn?
Read the article and find ut why water is imprtant fr cities.
While-reading
ppulatin /ˌpɒpjuˈleɪʃn/ n. 人口agriculture /ˈæɡrɪkʌltʃə(r)/ n. 农业trade /treɪd/ n. 贸易；买卖industry /ˈɪndəstri/ n. 工业；生产制造rle /rəʊl/ n. 角色gds /ɡʊdz/ n. 商品；货品verseas /ˌəʊvəˈsi:z/ adv. 在国外；向海外glbal /ˈɡləʊbl/ adj. 全球的；全世界的incme /ˈɪnkʌm/ n. 收入；收益；所得nearly /ˈnɪəli/ adv. 几乎；差不多；将近business /ˈbɪznəs/ n. 买卖；生意*leisure /ˈleʒə(r)/ n. 闲暇；空闲；休闲thrughut /θru:ˈaʊt/ prep.自始至终；duty /ˈdju:ti/ n.责任；义务
Read the text and then match the meaning f each paragraph.
Cities tday still need water fr many purpses.Peple live clse t water fr many reasns.Water helps cities grw by creating jbs and supprting trade.
在发明农耕前，人们通过捕鱼或狩猎谋生。大约1.2万年前，人们开始种植庄稼，因此拥有好的水源变得非常重要。最终，人们开始使用水力来磨面，还建造了管道来运输水。
Read para. 1 and answer the questin.
If yu lk at a ppulatin map f any cuntry in the wrld, yu will see that mst peple live clse t water. The wrld’s biggest cities are next t rivers, lakes r the sea. This isn’t an accident. We use water fr all kinds f things in everyday life, and we als need it fr agriculture and fr trade.
Q1: Why are the wrld’s biggest cities ften next t rivers, lakes r the sea?
Peple need water fr __________, ________, _________ and __________.Water helps with ______ and transprtatin f gds (e.g., shipping prducts by rivers and ceans).Example: Many famus cities, like __________ and _______, are lcated near water.
agriculture
Water pwered early ________ in factries (e.g., Richard Arkwright’s spinning machines).Water helped ______________ wrk, which pwered machines in factries.Water allwed gds t be __________________, helping glbal trade.
steam engines
shipped verseas
In fact, water creates jbs and helps different industries t develp. At the end f the 18th century, water played a big rle in the Industrial Revlutin. Water pwered the first machines in the clthes industry, such as Richard Arkwright’s spinning machines. It als prvided the first steam engines with steam. Thanks t rivers and ceans, businessmen culd ship their gds verseas. The grwing glbal trade created mre jbs and prvided mre incme fr peple. As a result, the cities that were clse t water grew much larger.
Q2: What rle did water play in the Industrial Revlutin?
Read para. 2 and answer the questin.
By 2008, ver half f the wrld’s ppulatin lived in cities. Nearly all f these cities are n the cast r by rivers r lakes. This is because cities need water fr peple’s hmes, industry, business, turism and leisure activities. Thrughut histry, water helped create and develp cities. It is nw ur duty t make sure we dn’t waste water r pllute it.
By _______, ver half f the wrld’s ppulatin lived in cities, many near water.Water is needed fr hmes, business, industry, turism, and _________________.Water makes cities grw by prviding _______ and supprting ________.
leisure activities
Q3: Hw des water help cities grw?
Read para. 3 and answer the questin.
Task 1 Cmplete the sentences with the wrds and the phrases belw. Change the frm if necessary.
As a result
Pst-reading
Task 2 Grup wrk: Research a city that is clse t water and answer the questin.
(1) What are the advantages f living in such a city? (2) Are there any water-related prblems there? What are they?(3) Hw can peple deal with them?
Finish the task with the help f the table.
What might be the disadvantages f living in cities near rivers, lakes r the sea? Discuss in grups.
Discuss the questins belw.
Flds may happen. When there is t much rain, the water can rise and fld the city, damaging huses and ther buildings.
Cmplete the sentences with the wrds and phrases belw. Change the frm if necessary.
(1) She had a lt f ___________ abut the histry f tea, and she ften appears n TV t talk abut it.(2) I discvered this bk abut tea ____________ in the schl library.(3) The different parts f a Chinese __________ have different meanings.(4) I didn’t like the ld ___________ f the nvel--the new ne is much better.(5) _______________ my friend Wang Ya, there was a great TV prgramme abut tea last night.
by accident
Bilgical science
Water is imprtant t life. Abut 55%–60% f the adult human bdy is water.
Crss-curricular cnnectin
Let’s find ut mre facts abut water in the human bdy.
It mainly intrduces the significance f water fr living things and water in the human bdy.
Read the article again and cmplete the ntes belw.
abut 70%-80%
All living things need water. In fact, water is an imprtant part f all plants and animals. Fr example, abut 95% f the weight f a cucumber is water. Fr animals, that figure is usually arund 60%.
Hw much f the weight f a cucumber is water?
When we are brn, abut 70%–80% f ur bdy weight is water. This number ges dwn as we grw up. Fr an adult man, water makes up abut 60% f the bdy weight. The amunt f water is a bit lwer fr wmen: arund 55%. This is because wmen usually have mre bdy fat than men.
Why wmen usually have mre bdy fat than men?
Because the amunt f water is a bit lwer fr wmen.
A lt f water leaves ur bdies every day, s we need t replace it. Adults need t drink abut 2–3 litres per day t stay healthy. Every time we g t the bathrm, we lse water. Every day, there is arund 1.5 litres f water in ur urine. If yur urine is very yellw, yu need t drink mre water. The bdy als lses water t help it cl dwn. This is called sweat. We lse abut 500 ml f water as sweat per day.
Hw much water d we need t drink every day t stay healthy?
Adults need t drink abut 2–3 litres per day t stay healthy.
Read para. 4 and answer the questin.
It is nrmal t sweat a lt when we d sprt r g ut in ht weather. Hwever, if we lse mre than 5% f ur bdy weight in water, we will get tired. It is dangerus t lse mre than 10%. If that happens, we will feel ill. Remember t bring a water bttle every time yu play sprt!
What will happen if we lse mre than 5% f ur bdy weight in water?
We will get tired.
What else des the bdy use water fr?Hw can we make sure we drink enugh water?
Further thinking
Wrld Water Day (22 March) is abut helping peple withut access t safe water. In this prject, yu are ging t wrk in grups and make a presentatin n the tpic “Water is life” fr Wrld Water Day.
Making a presentatin fr Wrld Water Day
Step 1: Cllect different facts abut water and make a fact sheet.
2. An intrductin
3. Sme numbers r pictures
Step 2: Discuss hw imprtant water is in ur lives and fr sciety. Find evidence t supprt yur pinins.
Step 3: Discuss the different uses f water, and hw we can save water. Yu may refer t pages 75–76 fr help.
Step 4: Organize yur ideas in a lgical way and give yur presentatin t the class.
Facts abut waterThe imprtance f waterDifferent uses f waterWays f saving water
In-Class PresentatinPresentatin in grupsGrup discussinPeer feedbackTeacher’s cmments
Wits crner 智慧角 When the well is dry, we learn the wrth f water.— Benjiamin Franklin
井枯方知水可贵。—本杰明·富兰克林 （美国政治家、科学家）
1. ppulatin n. ________________ 2. /ˈæɡrɪkʌltʃə(r)/ n. ______________ 3. trade n. ______________4. /ˈɪndəstri/ n._____________5. ____________ n. 角色6. ____________ n. 商品；货品7. /ˌəʊvəˈsi:z/ adv. _______________
The wrds we have learned
1. glbal adj. ________________ 2. /ˈɪnkʌm/ n. ______________ 3. nearly adv. ______________4. /ˈbɪznəs/ n._____________5. ____________ prep. 自始至终；贯穿整个时期6. ____________ n. 责任；义务7. /ˈleʒə(r)/ n. _______________
1. 各种各样的________________ 2. 在……方面扮演重要角色________________ 3. 蒸汽机 ________________ 4. 幸亏；由于 ________________ 5. 全球贸易 ________________ 6. 因此________________7. 在海岸边 ________________ 8. 确保________________
all kinds f
play a big rle in
steam engine
glbal trade
as a result
The phrases we have learned
Water is nt nly essential fr life, but is als imprtant fr human sciety. 水不仅是生命的必需品，对人类社会也至关重要。