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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；
2.能听懂并谈论物品的发明者、发明时间及某发明的用途等。
3.初步感知一般过去时下的被动语态。
4.培养学生对新生事物的发明产生兴趣，提升创新意识
Warming up
Do you know the four great inventions of ancient China
invention n.发明; 创意
invent v.发明; 创造
Compass
Gunpowder
Printing
Paper-making
Bi Sheng
Cai Lun
Ancient Chinese
Ancient Chinese
The four great inventions were invented by Chinese.
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”。
Lead-in
Who invented it and when
Cai Lun invented it in the Han Dynasty.
It _____________ by Cai Lun
in the Han Dynasty .
was invented
Look and say
Lead-in
Who invented it and when
Bi Sheng invented it in the Song Dynasty.
It ____________ by Bi Sheng
in the Song Dynasty.
was invented
Look and say
Lead-in
Who invented it and when
Ancient Chinese people invented it in their practice.
It _____________ by ancient Chinese
people in their practice.
was invented
Look and say
Lead-in
Who invented it and when
Ancient Chinese people invented it by accident.
It _____________ by ancient Chinese people by accident.
was invented
Look and say
Some morden inventions
Could you list some modern inventions in our daily life
These inventions
has changed our life a lot. Do you know who invented them and when
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
Before listening,Could you tell me how to read the years
② 前两个数字不为零，后两位数字为零
1700 seventeen hundred
① 两个数字一组，分为前后两组
1876 eighteen seventy six
③千年的读法
2000 two thousand
2008 two thousand and eight
年份
读法
1995
nineteen ninety five
1800
eighteen hundred
2023
two thousand and twenty there
Listen and match the inventions with the years.
_____ 1876
_____ 1885
_____1927
_____1971
d
a
c
b
1b
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
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
Can you find out any other inventions more interesting
These are well-known inventions.
Armadillo Breadbox
Lull Lamp
Baby Shower Cap
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.
invent
v.发明
invention n. 发明
inventor n. 发明家，发明者
Language points
辨一辨
Edison didn't the electricity, but he
the light bulb.
2.The teacher wanted to who had broken the door.
3. I my cat asleep in the bed.
find out
discover
invented
find
Is it difficult to be an inventor
Study hard,open our mind and be creative!
No inventions, no colorful life!
1.Find an invention that interests you and find out when, why it was invented.
2.Try to retell the story of 1b and then preview 2d and Grammar Focus.
Homework
https://www.21cnjy.com/help/help_extract.php

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