仁爱科普版（2024）九年级上册Unit 2 Saving the earth.Topic 1 Pollution has causes too many problems.公开课教学ppt课件

这是一份仁爱科普版（2024）九年级上册Unit 2 Saving the earth.Topic 1 Pollution has causes too many problems.公开课教学ppt课件，文件包含Unit2SavingtheearthTopic1SectionDpptx、Unit2SavingtheearthTopic1SectionD教学设计docx、Unit2Topic1大单元整体教学分析docx、p33-1amp3、808垃圾分类动画宣传片_超清mp4等5份课件配套教学资源，其中PPT共30页， 欢迎下载使用。
Learning bjectives
After learning the lessn, we can:
Learn sme cre wrds and expressins f the text;
Tell the differences between Simple Past and Present Perfect.
Make a wall newspaper in English, establish envirnmental awareness and enhance scial respnsibility.
It _____ (be) beautiful in the past. Kangkang _______ (g) there tw years ag.
The flwers and grass ___________ (g).Everything _____________ (change).
Mrs. Zhu ____________ (be) like this since last week. She ______________ (nt see) a dctr yet.
has changed
hasn’t seen
Simple past 强调过去
Present perfect 强调现在
They are causedby pllutin.
has happened
Simple Past ＆Present Perfect
Once upn a time, there was a beautiful village. There is clean water and green muntains. Peple there are very happy and healthy, but ne day strange things happened...
The water is nt clean!
Disguise yurself as Sherlck Hlmes and discver the prblem.
Pre-reading
The sil is dirty!
The air quality is terrible!
Fast reading
While-reading
( ) 1. What is the passage mainly abut?A. Air pllutin. B. Light pllutin.C. Litter. D. All srts f pllutin.
Air pllutin, sil pllutin, nise pllutin and light pllutin.
2.What kinds f pllutin have mentined in the passage?
Careful reading
Let's live a life in green ways and d smething t prtect the envirnment.
( ) 3. ________ destry(s) the sil. A. Chemicals B. Weather C. Nise D. Industry( ) 4. Hw d peple feel after they wrk in strng light fr a lng time? A. Excited. B. Happy. C. Terrible. D. Sad.5. Hw d yu understand "let's be greener peple"?
1. They are bad fr ur health in many ways. They ____________t ur health in different ways.2. Peple may lse their hearing if they wrk in a nisy place fr a lng time. If peple wrk in nisy cnditins fr a lng time they may have ______________.3. Nise pllutin can make peple deaf. Peple may ______ deaf _____________ nise pllutin.
1b Read and understand the first sentence. Then cmplete the secnd ne.
hearing lss
d harm
because f
/ are harmful
Language pints
1. Burning gas, il, cal creates air pllutin. 燃烧气体、石油和煤都会造成空气污染。 create v. 造成，创造 creative adj. 创造性的 creatin n. 创造；创造物
2. In the fields, farmers use t many chemicals which destry the sil. 在地里，农民使用了太多对土壤起破坏作用的化肥和农药。
3. T much nise can cause high bld pressure as well.噪声太大也可能导致高血压。 high bld pressure 高血压
as well 也, 还e.g. We’re ging t the party tnight. Why dn’t yu cme alng as well?
Our mther earth is sick!
Pst-reading
Measures t reduce the pllutin
Walk r ride a bike as pssible as we can.
Turn ff the light and tap in time.
Use clth bags instead f plastic bags.
Classify the rubbish.
Reduce the use f chemicals.
Make classrms less nisy.
Use bth sides f paper when we
Making a Wall Newspaper Abut Pllutin
1. Chse a tpic abut “ pllutin ". 2. Discuss the fllwing pints in grups and write dwn in yur paper.The causes f pllutinThe effects f pllutinThe measures t reduce pllutin
There are t much in ur daily life, such as industrial waste pllutin and husehld waste pllutin.
Litter pllutin can make peple ill and is bad fr ur health.
First f all, we shuld classify/srt ut litter based n ur duty. Next, we shuldn’t thrw litter arund in ur daily life. At last, we shuld imprve ur awareness t prtect the envirnment.
Garbage/Litter classificatin prmtinal vide.
We have nly ne earth.Let's take actins t save ur earth.Fr yu and fr me.
Make a wall newspaper in English.Tell the differences between Simple Past and Present Perfect. I went there tw years ag. I have been like this since last week.
1. Sme wrds: cal, create, bld, planet2. Sme phrases: in many ways, high bld pressure, as well3. Sme sentences: With the increase in ppulatin and the develpment f industry, litter is everywhere.