Unit 6 When was it invented Section A（1a-2d）课件＋音视频(共64张PPT)九年级全册英语教学同步精美课件（人教版）

(共64张PPT)
Unit 6
When was it invented
Section A 1a--2d
Four great inventions in China
paper-making
printing
gunpowder
compass
Chinese invented the four great inventions.
The four great inventions ________________Chinese .
were invented by
Discussion
When were they invented
Who were they invented by
paper making \105 B.C.
printing\1041-1045
compass
11th Century
gunpower
9th Century
Han Dynasty
Song Dynasty
When was ... invented
Who was ... invented by
What is ... used for ...
It was invented in ... .
It was invented by ... .
It is used for ... .
两个数字一组，前后两组
1
1865 eighteen sixty five
1989
3
前两个数字不为零，后两个数字为零。
eighteen hundred
1900
4
非四位数的年份的读法
531 five hundred and thirty-one
two thousand
2001
two thousand and one
nineteen eighty nine
nineteen hundred
2
千年
年份读法
Can you guess what modern inventions they are
[ m dn] adj.现代的，近代的，时髦的
calculator
juicer
Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1-4].
1a
A: I think the ... was invented
before/after the ... .
B: Well, I agree with ... . Besides,
I think the ... was invented
before/after the ... .
C: Well, I don't think so. I think ...
was invented before/after the ... .
Listen and match the inventions with the years.
______ 1876
______ 1885
______ 1927
______ 1971
d
a
c
b
1a
1b
1b
1. When were the cars invented
A. In 1876. B. In 1885. C. In 1927.
2. What was invented in 1876
A. The telephone. B. The TV. C. The car.
3. When were the personal computers invented
A. In 1885. B. In 1927. C. In 1971.
Listen again and answer the questions.
a. need to take a history class b. My family had a car.
c. have modern inventions d. were invented
e. couldn’t afford one.
Alice: Was your life very difficult when you were a kid
Grandma: Oh, not really. Why
Alice: Well, you didn’t ___________ like a telephone, right
Grandma: Of course we did! How old do you think I am The
telephone was invented in 1876. You _________, Alice!
Alice: Ha, ha! How about cars They weren’t invented yet, were they
Grandma: Yes, they were. Cars were invented in 1885.__________.
Alice: Well, did you have a TV
Grandma: No, we _________. They were expensive in those days. The TV was invented around 1927, I think.
Alice: Well, I know that you didn’t have a computer because we learned in school that personal computers _________in 1971.
Grandma: You’re right. But I have one now!
c
a
b
e
d
Alice: Was your life very _________ when you were a kid
Grandma: Oh, _________. Why
Alice: Well, you didn’t have modern inventions like a telephone, 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 weren’t invented yet, were they
Grandma: Yes, they were. Cars were invented in _____. My family had a car.
Alice: Well, did you have a ____ Grandma: No, we couldn’t ______ one. They were ________
in those days. The TV was invented around ______, I think.
Alice: Well, I know that you didn’t have a ________because we learned in school
that personal computers were invented in ______.
Grandma: You’re right. But I have one now!

difficult
not really
was invented
1876
history
cars
1885
TV
afford
expensive
1927
computer
1971
Listen and fill in the blanks.
While-listening
What are they talking about
Did the older lady have a phone
Was the car invented before the television
Why didn’t the older lady have a TV
Can you guess when the older lady was born
一般过去时的被动语态：
was/ were + 及物动词-ed形式
Listen and repeat.
Post-listening
A: When ____the telephone _______
B: I think it was ________ _____ 1876.
was
invented
invented
in
A: When was the car invented
B: I think it ___ _____ ___1930.
A: When ____ the TV _________
B: I think it was invented in 1927.
A: When was the computer invented
B: I think it _____ ________ in 1976.
Practice
Complete the sentences and then practice in pairs.
was invented in
was
invented
was invented
Pairwork
A: When was the …invented
B: It was invented in …
A: Who was it invented by
B: It was invented by…
A: Do you know what it is used for
B: It is used for ...
Karl Benz
in 1885
in 1971
John Atanasoff
in 1876
Bell
J. L. Baird
in 1927
in 1839
Luis
iphone
invention
Jobs
inventor
Jobs invented the iphone.
The iphone was invented by Jobs.
what
who was it invented by
invention
why did he invent the iphone
I think it is used for talking with people.
Practice
When was the car invented
1976
1885
What is it used for
It’s used for carrying people.
I think it was invented in 1885.
When was the computer invented
I think it was invented in …
What is it used for
It’s used for …
Rules:
Student A comes to the blackboard, another student describes(描述) the invention.
Student A guesses what it is, using “Is it a/ an … ”
Remember! Don’t mention (提到) the name of the inventions.
Guessing game
你来描述我来猜
invention
when
why
who
where
how
The invention was invented in
______.
It was invented by ____________.
It is used for___________________
______________________.
Guessing game
“Is it a / an … ”
…
1903
two brothers
taking people from
one place to another
invention
when:
who:
how:
“Is it a/ an … ”
invention
when:
who:
how:
It was invented in ________.
…
It is used for_____________.
…
1880/an Englishman
1976; America
1876
To be a small inventor成为小小发明家
Mike
homework robot
Groupwork
why
invention
problem
name
…
use for
…
What’s your problem
What do you want to invent most
doing homework for Mike
not want to do homework
Discuss:
提示词： machine 机器
To be a small inventor成为小小发明家
Mike
Groupwork
why
our invention
problem
name
…
use for
…
Report like this:
In our group, we want to invent one thing which is called… . It is used for … , because we (don’t) want to … . With this invention, we will be able to ….
No inventions, no life! We believe inventions will make our life …
homework robot
Year Invention Inventor(s)
1902 Air conditioner Willis Carrie
1903 Gas-motored and manned plane Wright brothers
1910 The first talking film Thomas Edison
1923 Television Logie Baird
1928 Penicillin (青霉素) Alexander Fleming
1937 Photocopier (影印机) Chester F Carlson
1940 Colour television Peter Goldmark
1942 Electric digital computer American scientists
1945 Atomic bomb American scientists
1950 Credit cards Ralph Schneider
1985 Windows OS Microsoft Company
1990 World Wide Web Tim Berners-Lee
1. invent v. 发明
指经过认识和实践创造出前所未有的事物。
Edison invented the light bulb.
爱迪生发明了电灯泡。
invention和inventor都是名词， 前者意为“发明”，后者意为“发明家”。
Language points
Language Points
discover, invent和find都是动词, 它们的词义相近, 但是有区别:
★discover意为“发现”, 指发现某种本来存在,但以前未被发现或未为人所知的事物或现象。
The lost bike was discovered at the bus stop.
丢了的自行车发现在公共汽车站那儿。
Later I discovered that he was so kind.
后来我发现他如此善良。
知识链接
★invent 意为“发明”, 指发明以前不存在的东西。
Do you know who invented the computer
你知道谁发明的电脑吗？
★find 意为“找到, 发现”, 指偶然发现或几乎没有困难地发现。
I found some old photos in that drawer.
我在那个抽屉里发现了一些旧照片。
discover, invent和find
Ⅰ. 根据句意和所给汉语提示, 完成下列单词的拼写。
1). Edison _________ the electric lamp.
2). I lost my necklace last night. I haven’t ________ it.
3). Who ___________ America first
4). The telephone _______________ in 1876.
5). Children also need time ________ (玩耍).
invented
found
discovered
to play
was discovered
Exercises
Ⅱ. 根据汉语提示完成单词。
1. That’s the most _________ (有用的) book.
2. It is said that Thomas Edison had 1,093___________ (发明) during his lifetime.
3. — What is this kind of machine used for
— It’s used for __________ (听) to music.
useful
inventions
listening
Ⅲ. 句型转换。
1. The personal computer was invented in 1976. (对划线部
分提问)
________ _______the personal computer ___________
2. The shoes with lights were invented by Julie Thompson.
(对划线部分提问)
_________ _________the shoes with lights __________ ____
A Chinese named Cai Lun invented paper. (改被动语态)
Paper _______ _______ _______ a Chinese named Cai Lun.
When
was
invented
Who
were
invented
by
was invented by
Ⅳ.看图完成句子。
1. (1885, invented)
Cars _______ _________ in 1885.
2. (around 1927, invented)
The TV _______ _______ around 1927.
were
invented
was
invented
3. (1971, invented)
The personal computer ______ ______ ______ 1971.
4. (1896，invented)
The telephone_______ ______ ______ ______.
was
invented
in
was
invented in
1896
中考链接
Paper ____first _____ about two thousand years ago in China by Cai Lun.
is; inventing B. is; invented
C. has; invented D. was; invented
纸在两千多年前被发明，要用一般过去时的被动语态。
√
It’s because we need things,
we have so many great inventions.
有需要才有发明。
If we are good at observing and thinking,
everyone can be inventors in our lives.
如果我们善于观察，勤于思考，
每个人都能成为生活中的发明家。
Let's be observers of life!
Future inventions!
shoes with special heels
shoes with lights
hot ice-cream scoop
带特殊鞋跟的鞋
发光的鞋
冰激凌加热勺,靠电力驱动
low heel
high heel
scoop
Look at the picture below.
What are the things on the table
Pre-listening
Listen and number the inventions [1-3] in the order you hear them.
1
3
2
1b
2a
Invention 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
Listen again and complete the chart.
changing
serving
in the dark
n. 样式; 款式
2b
The first invention is shoes with ________. People always hit their toes against __________ on the way to the bathroom at night. So people can use them for ________ in the ______.
Listen again and fill in the blanks.
something
seeing
dark
lights
The second invention is a special ice-cream ______. It runs on _________ and becomes hot. It’s _____ for serving really _____ ice-cream.
The last invention is shoes with special _____. People can move the heels _____ and ______. You can _____ the heels if you are going to a party or ______ them if you are just going out for shopping.
scoop
electricity
used
cold
heels
up
down
raise
lower
A: Hi! What is it/are they called
B: It’s /They’re called...
A: What is it/are they used for
B: It's/They're used for…
hot ice-cream scoop
shoes with special heels
shoes with lights
Make conversations using the information in 2b.
2c
Post-listening
It was invented by________.
Who was ___________invented by
Bell
What is it used for
I think it is used for_________________.
talking with people
What is it used for
I think it is used for_________________.
It was invented by___________.
Carl Benz
Who was ___________invented by
What are they used for
I think they are used for_________________.
seeing in the dark
They were invented by___________.
Edison
Who were ___________invented by
traveling
Post-listening
Fill in the blanks and then ask and answer in pairs.
Bell
Carl Benz
Edison
Invention Inventor Time Usage (用途)
light bulb Edison 1830 giving light
camera a Frenchman 1837 taking pictures
bike an Englishman 1839 riding
basketball James Naismith 1861 Playing
plane the Wright brothers 1903 traveling
computer an American 1976 getting information
the iphone Jobs 2007 talking with people
Groupwork
A: When was/were the…. Invented B: It was/They were invented in…
A:Who was/were the… invented by B: It was/They were invented by…
A: What is it/are they used for B: It’s/They’re used for…
Make up a conversation according to the table.
Report:In my group, my favorite invention is ____. I think it is______. It was invented in_____ by ______. It’s used for _____.
Tom’s favorite invention is _____.
He thinks it is ____. It was invented in _____ by ______. It’s used for ______...….
What’s your favorite invention
When was it invented
Who was it invented by
What’s it used for
Talk about these questions in groups.
Have you ever thought of inventing anything by yourself
to make your life easier
Creative designer
What do you think is very interesting to invent
Why do you want to invent it
Can you draw it and tell us what it looks like
What can it be used for？
Report: I want to invent this kind of machine. Because I am lazy.I don't want to get up early every morning. If the alarm o'clock goes off, we can be woken up by its mechanical (机械的）arm. So it can be used for waking me up.
There are no problems---
only opportunities
to be creative.
Small inventions can really change the world!
What small inventions can you think of
2d
What’s this
zipper n. 拉链；拉锁
Where can you see it
pants
trousers
bags
backpack
dressers
shoes
suitcase
pencil case
Watch the video
4. Who was the zipper invented by
5. When was the zipper invented
6. When was it first used widely
Read 2d and answer the following questions.
What is the subject for their school project
2. What kind of invention does Roy think of
3. Why does Roy think it is a great invention
Small inventions that changed the world.
The zipper.
Because it is often used in our daily lives.
It was invented by Whitcomb Judson.
It was invented in 1893.
It became popular in around 1917.
Paul: Hey Roy, the subject for my school project is “Small inventions that changed the world”.
Can you help me think of an invention
Roy: With pleasure! Let me think... hmm...I know! The zipper!
Paul: The zipper Is it really such a great invention
Roy: Think about how often it’s used in our daily lives. You can see zippers on dresses, trousers,
shoes, bags.. almost everywhere!
Paul: Well, you do seem to have a point…
Roy: Of course! I thought about it because I saw a website last week. The pioneers of different
inventions were listed there. For example, it mentioned that the zipper was invented by
Whitcomb Judson in 1893. But at that time, it wasn't used widely.
Paul: Really So when did it become popular
Roy: Around 1917.
n. 项目；工程
adj. 每日的；日常的
有道理
pioneer n. 先锋；先驱
n. 网站
它提到……
Role-play the conversation.
很乐意
Top 10 “inventions” that changed the world
1. GPS Technology
2. The Sony Walkman
3. The Bar code (条形码)
4. TV Dinners (冷冻快餐)
5. PlayStation
(家庭电视机游戏)
8. Electronic Money
6. Social Networking
7. Text messages
9. Microwaves
10. Trainers
Great inventions make our life
______________________________________
Without inventions, our life will be more difficult and less pleasant.
conclusion
No inventions, no life!
创造使生活更美好！
much easier and more comfortable.
1. What are they used for 它们是用来做什么的？
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.
Clothes are used for keeping (= to keep) warm.
Wood can be used for building (= to build) houses.
The stick is used to write on the blackboard.
Language Points
used to do sth.意为“过去常常做某事”。
I used to smoke when I was young.
use sth. to do sth.意为“使用某物来做某事”, 其被动结构为“sth. be used to do sth.”。
These knives are used to cut pies.
be used as 意为“被用作……，被作为……使用”。
English is used as a foreign language in China.
be used by 意为“被……使用”。
Rubbers are often used by students to correct mistakes.
2. — Can you help me think of an invention
— My pleasure!
My pleasure也可说成It’s a / my pleasure.或 A pleasure，意思是“我的荣幸；愿为你效劳；这是件愉快的事”。
— Will you please help me take the books to the classroom
请你帮我把这些书带到教室里去好吗？
— My pleasure. / It's a pleasure. 愿为你效劳。
pleasure n. 愉快；高兴
I will remember this meeting with pleasure.
我会愉快地记着这次的会晤。
It is a pleasure to work with you. 和你一起工作真是件乐事。
at (one’ s) pleasure 随便
You are free to come and go at your pleasure.
来去自由, 悉听尊便。
take pleasure in 以某事为乐，喜欢做某事
with pleasure 愉快地，高兴地，没问题
3. Well, you do seem to have a point …
(1) you do seem to have a point … 是个强调句，用“助动词do +谓语动词原形”的结构。
Do Stay for supper! 一定要留下吃晚饭！
He did come here yesterday. 他昨天的确来这儿了。
Do come to my birthday party. 一定要来我的生日聚会。
(2) have a point 有道理
I guess you have a point there. 我想你说的有道理。
Strangely, both of them may have a point.
奇怪的是, 两个人似乎都有道理
4. … it mentioned that the zipper was …
(1) mention表示“提到；提及”，是及物动词，其后接名词或代词作宾语时，无需用任何介词；另外注意不接双宾语。如：
Don’t mention this problem this evening.
今晚别提这个问题。
Nobody mentioned the time of this meeting.
谁也没有提到这次会议的时间。
He never mentioned his tall friend to me.
/ He never mentioned to me that he had a tall friend.
他从未向我提及他有个女朋友。
（2）若后接动词，要用动名词，不能用不定式。
Whenever I mention playing football, he says he’ s too busy.
我一提起踢足球，他就说太忙。
（3） not to mention意为“更不用说；还不算”。
He can speak French, German and Japanese, not to mention
English.
他会说法语、德语和日语，更不用说英语。
（4） 口语中说 Don’ t mention it. 主要用来回答感谢，有时也用来回答道歉。如：
A：Thank you very much. 多谢你了。
B：Don’ t mention it. 不客气。
A：I’ m sorry to have troubled you. 对不起打扰你了。
B：Don’ t mention it. 没关系。
Ⅰ. 单选。
（1）English is widely used _______ many people around the world _______ a second language.
A. by；for B. by; as
C. as；for D. for；as
（2） —Thank you for taking me around your school, Daming.
—________
A. Don’t mention it. B. Never mind.
C. Of course not. D. No problem.
Exercises
B
A
Ⅱ.根据句意和所给汉语提示, 完成下列单词的拼写。
1. That’s the most _________ (有用的) book.
2. It is said that Thomas Edison had 1,093___________(发明)
during his lifetime.
3.——What is this kind of machine used for
——It’s used for _________ (听) to music.
4. If you _________ (加热) the ice, it will soon become water.
5. Children also need time _________ (玩耍).
useful
inventions
listening
heat
to play
Ⅲ.句型转换。
1. The personal computer was invented in 1976. (对划线部分提问)
_________ __________the personal computer _________
2. The shoes with lights were invented by Julie Thompson.
(对划线部分提问)
_________ _________the shoes with lights _______ _______
When
was
invented
Who
were
invented
by
3. Knives are used for cutting things. (对划线部分提问)
_______ _______ knives _______ _______
4. A Chinese named Cai Lun invented paper. (改为被动语态)
Paper _______ _______ _______ a Chinese named Cai Lun.
What
are
used
for
was
invented
by
Homework
1. Recite the conversation in 2d.
2. Preview the passage An
Accidental Invention on page 43.