沪教牛津版（2024）七年级下册（2024）Section 3授课ppt课件

这是一份沪教牛津版（2024）七年级下册（2024）Section 3授课ppt课件，共17页。PPT课件主要包含了目录页标题，Key words，思维导图三要素，title，Body，Conclusion， 等内容，欢迎下载使用。
Learning bjectives
通过本课时学习，学生能够：1. 运用思维导图梳理节水方法，综合运用本单元所学知识，写一个节水建议清单。2. 通过自评和互评，改进初稿的结构、内容和语言。3. 理解写作任务所传达的主题意义，能够通过给出节水建议，增强节水意识和保护水资源的责任感。
Why is water s imprtant?
Why is water s imprtant? Well, mst f the human bdy is water: arund 60% in an average adult man. There is mre water in sme parts f the bdy. Fr example, abut 75% f the brain is water. Peple can live fr several weeks withut fd, but nly fr a few days withut water. Human beings need arund tw t three litres f water per day. Athletes usually need mre water. When it is ht utside, peple need mre water t. But peple use a lt mre water fr ther things, such as washing clthes and taking baths.
• Water is the majr cmpnent f the human bdy.• Peple can live fr several weeks withut fd, but nly fr a few days withut water.• Water is als used fr varius daily activities.
Is there enugh water fr humans?
Abut 70% f the Earth’s surface is water. Hwever, abut 97% f the water n Earth is salt water. Salt water is nt drinkable. Only abut 3% f the water n ur planet is fresh water, but mst f it is ice. S, hw much f the water can we use as drinking water? Only abut half a percent! And in many places, clean and safe drinking water is nt easy t find.
N. There is nt enugh fresh water fr humans. Clean and safe drinking water is nt easy t find in many places.
fix/repair dripping taps
cllect rainwater and reuse it
wash mre clthes tgether
Hw can we save water?
turn ff the tap when brushing yur teeth
take shrter shwers
use leftver water t water plants
wash vegetablesin a cntainer
use a bucket t wash a car
cllect gray water frm baths r shwers t flush tilets
Tday, we are ging t write water-saving tips. Let’s get started.
take quick shwers;turn ff the tap when brushing teeth
tell peple t fix fix/repair dripping taps
Step 1 Plan Organize yur ideas in the mind map belw. Yu may think f ther situatins as well.
Cnnecting lines
Different aspects
Step 2 Write Write a list f tips based n the mind map in step 1. Use different situatins as subheadings.
Intrduce the tpic and emphasize the imprtance f saving water.
Write abut the water-saving tips in different situatins. Use different situatins as subheadings.
Draw a cnclusin and call n peple t save water.
the simple present tense
Water is s valuable that we all shuld save water.One way t save water is t turn ff the tap when yu d nt use it.Anther way t save water is t take shrter shwers.By fixing dripping taps, we can save a lt f water.It’s a gd idea t reuse rainwater.If we turn ff the tap while brushing ur teeth, we can save ver a hundred litres f water in a week!In rder t prtect ur envirnment, we shuld save water.Using a bucket instead f a hse is a simple but effective way t wash yur car.
Learn useful sentences
We all need water in ur daily lives, s we shuld nt waste it. There are many ways t save water. We can make a big difference if we start tday!In the bathrm:•Turn ff the tap when brushing yur teeth. By clsing the tap, we can save enugh water t fill a small pl every year.•Take shrter shwers. If we reduce shwer time, we can save hundreds f gallns every mnth. This nt nly helps the planet, but als lwers yur water bill!In the kitchen:•Wash vegetables in a cntainer. It’s a gd idea t use a cntainer instead f using running water. •Use leftver water. In rder t reduce waste, we shuld pur leftver water int a bucket. This nt nly saves water, but als gives plants a free drink!Water is s valuable that we all shuld save water. By fllwing these simple water-saving tips, we can help prtect ur planet and save valuable water. Let’s try ur best t save water nw!
Water-saving tips
Things t imprve:1.2.
1. Hw lng des it take these wmen t fetch water?2. What causes the death f these children in the vide?3. What can we d t help imprve the situatin?
It takes almst half f their lives t fetch water.
Drinking unsafe water.
We can save water in ur daily life and raise mney t buy water filters fr peple in Africa.
After learning this lessn, I can
remember mre useful wrds and expressins.
write a list f tips abut saving water.
enhance my awareness f saving water.
Read and fill
1. Review the wrds and phrases in this unit.2. Revise yur writing.3. Search fr mre infrmatin abut hw t save water and then share it with yur classmates.