仁爱科普版（2024）九年级上册Unit 4 Amazing ScienceTopic 1 When was it invented?优秀课件ppt

这是一份仁爱科普版（2024）九年级上册Unit 4 Amazing ScienceTopic 1 When was it invented?优秀课件ppt，文件包含G9U4T1SB-课件pptx、G9U4T1SB-教案doc、G9U4T1SB-练习doc、G9U4T1SB-1amp3、G9U4T1SB-3mp3、G9U4T1SB-4amp3、G9U4T1SB-4bmp3等7份课件配套教学资源，其中PPT共18页， 欢迎下载使用。

Lk and talk abut the picture
invent / America / in 1946
A: Where were cmputers invented?B: They in America.A: When were they invented?B: They in 1946. A: What are they used fr?B: They studying, wrking and playing.
were invented
are used fr
Ask and answer
MP3 player1998Krealisten t music
A: When was … invented?B: It was invented in ….A: Where was it invented?B: It was invented in …. A: What is it used fr?B: It is used fr ….
Talk abut mre things.
mbile phne1973Americacmmunicate easily
digital camera1975Americatake phts
Listen t 1a and chse the crrect answers.
( ) 1. Where are Michael and Jane? A. In the science museum. B. At the schl library. C. In the z. D. In the park.( ) 2. Which bject is nt mentined in the cnversatin? A. Light bulb. B. Airplane. C. Televisin. D. Radi.
Listen again and answer.
When was a light bulb invented?(2) What was invented by Guglielm Marcni ?(3)What did Wilbur and Orville Wright invent? And when did they invent it?
It was invented in 1879.
The airplane was invented by them in 1903.
The radi was invented by him.
Read 1a and cmplete the table.
Thmas Edisn
Wilbur and Orville Wright
[gulɪ'elməʊ mɑ:'kəʊnɪ ]
['wɪlbə 'ɔ:vɪl raɪt ]
The bulb was invented by Thmas Edisn in 1879
It’s said that he invented mre than tw thusand things during his life
during ne’s life 在某人的一生当中
e.g. ___________ （据说）mre than tw thusand things _____________ （invent）by him ______________ （在他一生中）.
It’s said that
were invented
during his life
e.g --The task ____________(finish) by me last weekend --Laptps _____ _____ (make) in Japan.
Let’s sum up tgether:一般过去时的被动语态(the Simple Past Passive Vice ) : was/were + dne
were made
was finished
Listen and Match
A. Karl Benz
C. Alexander Graham Bell
B. Jhn Baird
Knwing mre …
A: What are these?B: …A: When were they prduced first? B: …A: What were they made f?B: …
Fill in the blanks.
The first jeans were prduced in 1855. At that time, they _________________(nt call) jeans and they were just hard-wearing pants designed fr wrkers. The pants _____________ (make) f the brwn clth. This kind f clth ______ usually ________(use) fr making tents. Nwadays, their materials have been changed s that it feels mre cmfrtable. And many different jeans styles ______ als ________(create). They ____________ (design) nt nly fr wrkers but als fr teenagers and wmen. Later jeans are ppular all ver the wrld.
were nt called
are designed
4a. Read, listen and check.
rcket cttn hspital mdel satellite camera laptp plastic
4b. Listen and read.
A: `When was the `digital camera `develped? B: It was `develped in the `1970s.A: Is the `digital camera `develped in `Krea? B: `N. A: `Where was it `develped? B: It was `develped in `Japan.
用所给中文完成下列句子，注意动词的适当形式。1、在日常生活中，我们都广泛使用手机.Mbile phnes ____ _____ _____ by us in ur everyday life.2、第一条牛仔裤是在1855年生产出来的。The first jeans _____ ___________ in 1855.3、Thmas Edisn 在他的一生中发明了2000多件东西._____ _____ tw thusand things _____ _____ _____Thmas Edisn _______ ___ ___.4、过去的飞机与现在的不一样. The airplane in the past ___ ________ _____ tday’s.5、据说Wright Brthers 发明了飞机. _____ _____ the airplane _____ _________ by Wright Brthers.
are widely used
were prduced
were invented by
during his life
is different frm
It’s said
was invented
电灯泡飞机耐磨的被用来做……超过与……不同在某人的一生当中
bulbairplanehard-wearingbe used fr ding/t dmre thanbe different frm…during ne’s life
We learn: Sme wrds and phrases:
We learn: Sme sentences:It’s said that he invented mre than tw thusand things during his life. We can: Use the simple past passive vice: It was invented in 1879. The jeans were prduced in 1855.