(共30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.能掌握以下词汇：heel, scoop,electricity,style.
2.能掌握以下句型：
—When was it invented —It was invented in…
—What is it / are they used for
—It is/They are used for doing sth.
3.能听懂并能简单地谈论发明史。
4.To listen and talk about inventions by using passive voice
Warming up
Four Great Inventions
printing
gunpowder
compass
The four great inventions were invented by Chinese.
papermaking
invention n.发明; 创意
invent v.发明; 创造
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”。
papermaking Bi Sheng the Tang Dynasty
gunpowder Cai Lun the Warring States Period
printing Sun Simiao the Eastern Jin Dynasty
compass Huang Di the Western Han Dynasty
inventions inventors time
Make sentences.
......was invented in+时间+by sb.
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
4
2
1
3
A: I think the TV was invented before the car.
B: Well, I think the TV was invented after the car .
Alice
Grandma
What are Alice and her grandma talking about
Questions may be used：
Who invented them
When were they invented
Pre-listening
Listen and match the inventions with the years.
_____ 1876
_____ 1885
_____1927
_____1971
d
a
c
b
1b
1. What are they talking about
2. Did the old lady have a telephone When was the telephone invented
3. Why didn’t the older lady have a TV
Inventions and years.
Yes, she did. The telephone was invented in 1876.
Because she couldn’t afford one. They were expensive in those days.
Listen again and answer the following questions.
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
Alexander Bell
亚历山大 贝尔
J. L. Baird
贝尔德
Karl Benz
卡尔 奔驰
Atanasoff-Berry
阿塔纳索夫-贝瑞
in 1876
in 1927
in 1885
in 1971
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
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.
Practice
computer(1971)
car(1885)
telephone(1876)
TV(1927)
John von Neumann
Karl Benz
Alexander Bell
J. L. Baird
Atanasoff-Berry
A: When was the ... invented
B: It was invented in ....
A: Who was it invented by
B: It was invented by ....
1c
shared bikes
high-speed railways
Online shopping
electronic payment
New Four Great Inventions in China
1964
2010
1999
2014
New drills
Have you ever invented any interesting inventions in daily life
Armadillo Breadbox
Lull Lamp
Baby Shower Cap
What other funny inventions can you find in your life
What are these inventions used for
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.
Carol
Alex
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.
2a
___ shoes with special heels
___ shoes with lights
___ hot ice-cream scoop,
runs on electricity
1
3
2
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.
2b
serving
changing
in the dark
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 invention
the problem
the usage
The second invention is a hot ice-cream ______. It runs on _________ and becomes hot. It’s _____ for serving really _____ ice-cream.
scoop
electricity
used
cold
The last invention is shoes with special _____. People can move the heels _____ and ______. You can _____ the heels if you are going to a ______ or ______ them if you are just going out for _________.
heels
down
up
raise
party
lower
shopping
the invention
the problem
the usage
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
Make conversations using the information in 2b.
2c
What are the shoes with lights used for
They’re used for seeing in the dark.
What are hot ice-cream scoops used for
They’re used for serving for really cold ice-cream.
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
telephone Bell 1876 making phone calls
plane the Wright brothers 1903 traveling
computer an American 1976 getting information
the iphone Jobs 2007 talking with people
My favorite inventions!
Groupwork
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
Great inventions make our life
much easier and more comfortable.
创造使生活更美好！有需要才有发明!
No inventions, no life!
Without inventions, our life will
be more difficult and less pleasant.
Because we need things, we have so
many great inventions.
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