(共35张PPT)
Unit6 When was it invented
人教新目标版 九年级上
SectionA
1a-2c公开课
Learning objectives
1. 学习并掌握词汇heel, style, invent及be used for等
的用法；能谈论物品的发明者、发明时间及某发明的用途等。
2.在谈论发明物的语境中熟悉一般过去时的被动语态结构；能听懂关于物品的发明时间及用途的对话。结合实际生活从发明者，发明时间，用途等方面谈谈自己最喜欢的发明。
3.培养学生对新生事物的发明产生兴趣，提升创新意识；通过熟悉周围常见发明物，养成勤思考，善总结的好习惯。
Let’s watch a video carefully and be ready to discuss.
Warming-up
Four Great Inventions in China
inventions
They are all Chinese.
inventors
Who were they invented by
invent
01
What information does the video mention
When were they invented
invention n.发明; 创意
invent v.发明; 创造
inventor n.发明者
一般过去时的被动语态的结构为“was/were + 及物动词的过去分词”。
The paper making_______________ Cai Lun.
02
Four Great Inventions in China
paper making
Cai Lun invented the paper making.
was invented by
When was it invented
It was invented in Han Dynasty.
Cai Lun
Han Dynasty
was/were + 及物动词的过去分词
一般过去时的被动语态
Who was the paper making invented by
02
Four Great Inventions in China
printing
Who was the printing invented by
When was it invented
It was invented in Song Dynasty.
The printing_________________ Bi Sheng.
was invented by
Bi Sheng
Song Dynasty
Bi Sheng invented the printing.
Alchemists invented the gun powder by accident.
02
Four Great Inventions in China
gun powder
Who was the gun powder invented by
When was it invented
It was invented in Song Dynasty.
The gun powder______________ alchemists by accident .
was invented by
alchemists 炼金士
Song Dynasty
/ lk m st/
02
Four Great Inventions in China
compass
Who was the compass invented by
When was it invented
It was invented in Han Dynasty.
The compass______________ ancient Chinese people in their practice.
was invented by
ancient Chinese
people
Han Dynasty
Ancient Chinese people invented the compass in their practice.
/ k mp s/
Four Great Inventions in China have made a big difference to the world.
How about the modern inventions
Modern inventions
J. L. Baird
Karl Benz
Alexander Bell
Charles Babbage
Please match the inventors with the inventions.
car
computer
TV
telephone
Pre-listening
Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1–4] (1 = first, 4 = last).
1a
A: I think the TV was invented
before the car.
B: Well, I think the TV was invented after the car.
A: I think/believe that ...
B: Well, I don't agree with you,I think ...
So do I .And I think /believe that ...
Pair work:
What are they
talking about
Modern inventions
Questions may be mentioned：
Who were they invented by
When were they invented
grandma
Alice
两个数字一组，前后两组
前两个数字不为零，后两个数字为零
千年
非四位数的年份的
读法
1876 eighteen seventy six
1927
nineteen twenty seven
1700 seventeen hundred
1900
nineteen hundred
two thousand
2001
two thousand and one
657 six hundred and fifty-seven
Before listening,Could you tell me how to read the years
Listen and match the inventions with the years.
1b
_________ 1876
_________ 1885
_________ 1927
_________ 1971
d
a
c
b
Check:When was....invented
It was invented in....
Listen again and fill in the blanks.
Alice: Was your life very ________ when you were a kid
Grandma: Oh, ________. Why
Alice: Well, you didn’t have modern inventions like a ________, right
Grandma: Of course we did! How old do you think I am The telephone ____________ in ____. You need to take a ______ class, Alice!
Alice: Haha! How about ____ They _______________ yet, were they
difficult
not really
telephone
was invented
1876
history
cars
weren’t invented
Grandma: Yes, they were. Cars _____________ in ____. My family had a car.
Alice: Well, did you _________
Grandma: No, we couldn’t ______ one. They were ________ in those days. The TV ____________ around ____, I think.
Alice: Well, I know that you didn’t have a ________, because we learned in school that personal computers ____________ in ____.
Grandma: You’re right. But I have one now!
1827
were invented
1885
have a TV
afford
expensive
was invented
computer
were invented
1971
A: When was the ... invented
B: It was invented in ...
A: Who was it invented by
B: It was invented by ....
A: What is your favourite invention
B: My favourite invention is…, because it is…
1971
1885
1876
1927
Karl Benz
Bell
Baird
Berry
Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again.
1c
Modern inventions have changed people’s life a lot.
Do you know some interesting
inventions
New drills
This invention is called
Din-Ink (笔帽餐具)
What is Din-Ink used for
It is used for eating when you are studying.
be used for v-ing/
被用来...
be used for sth. /doing sth.意为“被用来做某事”，表示用途或目的，后接名词或动名词，相当于be used to do sth.
This invention is called Egg Yolk Separator (吞咽蛋黄鱼蛋分离器)
What is it used for
It is used for separating(分离) egg yolk.
This invention is called shoes with lights. (发光鞋)
What are the shoes used for
They are used for walking in the dark.
You won't hit your toe against
something(撞到脚趾)on the way to
washroom at night.
This invention is called shoes with special heels.
You can move the heels up and down.
So they are used for changing the style
of the shoes.
The heels can be raised or lowered.
v,上升
上下移动鞋跟
[sta l] n. 样式；款式
[ hi l ] n. 鞋跟
v,下降
This invention is called hot ice-cream scoop.
[ lek tr s t ] n.电
It runs on electricity to become hot.
It’s used for serving really cold ice-cream.
靠电力驱动
[sku p] n. 勺子
冰激凌加热勺
Listen and number the inventions[1-3] in the order you hear them.
2a
1
2
3
Listen again and complete the chart below.
2b
Inventions What is it / are they used for
shoes with special heels ____________ the style of the shoes
shoes with lights seeing ________________
hot ice-cream scoop ______________ really cold ice-cream
in the dark
changing
serving
The ... is/are used for doing ...
What is/are the ... used for
Read and check your answers.
Alex: Hi, Carol. Wow, what are those
Carol: Hello, Alex. Oh, these are some of
the interesting inventions that I’m writing about for my English homework.
Alex: I see…What’s that, then
Carol: They’re shoes with lights. People use them for seeing in the dark when you get up at night.
Alex: Oh, that’s a cool idea! I always hit my toe on something on the way to the bathroom at night.
我总是在晚上去卫生间的路上碰到脚趾。
Carol: Next is a special ice-cream scoop. This is my favorite invention. It runs on electricity and becomes hot.
Alex: I know what it’s for! It’s use d for serving really cold ice-cream.
Carol: Yes, that’s right! The last invention I’m going to write about is shoes with special heels. You can move the heels up and down.
Alex: What are they used for
Carol: Well, you can change the style of your shoes. You can raise the heels if you are going to a party or lower them if you are just going out for shopping.
靠电运行
上下移动后跟
What are the shoes with lights used for
They are used for seeing in the dark.
Make conversations using the information in 2b.
2c
Can you talk about some new inventions during these years
Year Invention Inventor(s) usage
2003 Tao Bao Ma Yun shopping
2003 Alipay programmers in Tao Bao pay for money
2004 Huawei mobile phone Ren Zhengfei connect with others
2007 High-speed train Chinese engineers travelling
2015 Shared bike Hu Weiwei riding
2016 Tik Tok Zhang Yimin watching short videos
2022 ChatGPT programmers in America chat with AI
2024 Radish run car Baidu travelling without drivers
Talk about your favorite invention
Example: Our life has become easier and faster because of great inventions. My favorite invention is called ...
It was invented by ... and it was invented in ....
I like it best,because it is used for ... . What about you
Groupwork
Great inventions change our life to be better and easier.
However,they also bring humans
great challenges.
I —— insist studying (坚持学习)
N —— notice things around us(善于观察)
V —— value our own culture(珍惜我国文化)
E —— embrace other culture(拥抱别国文化)
N —— advance with the times(与时俱进)
T —— transform our old opinions(转变观念)
To meet great challenges,
https://www.21cnjy.com/help/help_extract.php
