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Unit 6 When was it invented
Section A 1a-2d
人教版九年级全册
Unit 6
When was it invented
Section A 1a-2d
Free Talk
What inventions do we have in our classroom
What inventions are mentioned
When were they invented
Listening
_____ 1876
_____ 1885
_____ 1927
_____ 1971
d
a
c
b
be invented in…
Who are they What are they talking about
Alice: Was your life very difficult when you were a kid
Grandma: Oh, not really. 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 was invented in 1876.You need to take a history class, Alice!
Alice: Haha! How about cars: They weren’t invented yet, were they
Grandma: Yes, they were. Cars were invented in 1885. My family had a car.
Alice: Well, did you have a TV
Grandma: No, we couldn’t afford one. 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 were invented in 1971.
Grandma: You’re right. But I have one now!
Let’s read!
Do you know their inventors
inventor n. 发明者
Benz
Bell
Baird
--Who was the … invented by
--It was invented by … .
surfing the Internet
travelling
making calls
watching programs
A: What is the … used for
B: It is used for … (V-ing.)
Invention Time Inventor Usage(用途）
computers 1971 scientists surf the Internet
cars 1885 Benz travel
telephones 1876 Bell make calls
◆-- When were … invented -- They were invented in …
◆-- Who were … invented by -- They were invented by…
◆-- What are … used for -- They are used for…
Let's talk！
Let's read！
When was the phone invented
It was invented in 1876 .
Who was the phone invented by
It was invented by Bell .
What is the phone used for
It is used for making a call .
a speaker box
turning up the sound
chopsticks with a fan
watering machine
Some Creative and Useful Inventions
cooling food quickly
watering plants
They are used for ...
Some Creative and Useful Inventions
ice cream scoop
shoes with lights
shoes with heels
3
2
1
Guess
What are these things What are they used for
Listening
What is it / are they used for
Invention
hot ice-cream scoop
shoes with lights
shoes with special heels
________ the style of the shoes
seeing _____________
_______ really cold ice-cream
changing
in the dark
serving
Listening
Report: Here are some new inventions. These are shoes with special heels. They are used for…
Let’s read!
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. You 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 against something on the way to the bathroom at night.
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 used 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.
I have a great invention. It was made a long time ago,but it is still used today. It is round. It is made of metal and rubber. It is used on cars, bicycles, trucks and sometimes in machines. Do you know what it is
What’s the invention
Guessing Game
I have a great invention. We can see it in many places, such as streets, schools, parks, homes and so on. It is made of plastic, wood or metal. It is used for carrying things people don't need any more.
What’s the invention
Guessing Game
I have a great invention. It is often used in our daily lives. We can see it on dresses, trousers, shoes, bags... almost everywhere. It was invented by Whitcomb Judson in 1893.
What’s the invention
Guessing Game
Let’s read!
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.
Group Work
There are a lot of inventions that has changed the world. Please choose one invention. Discuss these questions about it.
1. Who was it invented by 2. When and where was it invented 3. What is it made of/from 4. What is it used for
Then make a report and share with us.
Report: Today I’d like to introduce ... It was invented by ... ...
Inventions come from our daily life!
Inventions have greatly changed our life!
Is it difficult to be an inventor
The answer is NO!
Study hard, open our mind and be creative!
We can creat a better life!
谢谢
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