人教版九年级英语Unit 9When was it invented

Topic: Inventions

Functions: Talk about the history of inventions Target language: When was the car invented?

It was invented in 1885.

When were electric slippers invented? They were invented last year. Who were they invented by?

They were invented by Julie Thompson. What are they used for?

They’re used for seeing in the dark.

Teaching Steps

Period 1

Lead in:

Good morning, everyone!

Please look at the PPT. (Show the pictures of a computer, a telephone, a car, and a TV set.)

In our daily life, we often use these inventions; Do you know when they were invented? Today we’re going to learn Unit 10, “When was it invented?”

Step 1: Section A 1a Number the pictures

Look at the things below. In what order do you think they were invented? Number them [1-5] (1 = first, 5 = last).

Step 2: Section A 1b 1．Listen and match

a. Please listen to the tape and then match the inventions and the dates. b. Have you finished? Let’s check the answers.

2．Listen and fill in the blanks

Please listen again and fill in the blanks. 1) Cars__________invented in 1885．

2) __________ __________was invented in 1876． 3) Hand-held calculators__________invented in 1971． 4) __________ __________ __________invented in 1976． Answers:

1) Cars were invented in 1885．

2) The telephone was invented in 1876．

3) Hand-held calculators were invented in 1971． 4) Personal computers were invented in 1976． Step 3: Section A 1c

Task: When were they invented?

Please tell your partner when they were invented. Invention Cars The telephone The TV Hand-held calculator Personal computers Model:

Time 1885 1876 1927 1971 1976 When were cars invented? They were invented in 1885． ...

Step 4: Section A 2a 1．Listen and number

a. Please look at the inventions in the picture. How many inventions can we see? What are they? Student A, could you please tell us?

...

b. Please listen and number the inventions in the order that you hear them. c. Let’s check the answers. 2．Listen and fill in the blanks

a. Please listen again and fill in the blanks.

They are talking about some modern 1 .

The battery-operated 2 are used for 3 in the dark. And the

4 ice cream scoop is used for scooping really 5 ice cream.

Those shoes with 6 heels are very interesting. You can move the heels

7 and 8 . Then you can change the 9 of shoes. And you can make the shoes from 10 to dressy.

b. Let’s check the answers.

They are talking about some modern inventions.

The battery-operated slippers are used for seeing in the dark. And the heated ice cream scoop is used for scooping really cool ice cream.

Those shoes with adjustable heels are very interesting. You can move the heels up and down. Then you can change the style of shoes. And you can make the shoes from casual to dressy.

Step 5: Section A 2b Listen and match

a. Please read the chart yourselves.

b. Listen and match the items in columns A, B, and C. Invention shoes with Who was it / were they invented by? Chelsea Lanmon What is it / are they used for? scooping really cold ice cream Jayce Coziar and Jamie Ellsworth seeing in the dark adjustable heels battery-operated slippers heated ice cream scoop Julie Thompson changing the style of the shoes c. Have you finished? Let’s check the answers. Step 6: Section A 2c Task: What are they used for?

What is the convention used for? Please talk about it with your partners. Invention shoes with adjustable heels battery-operated slippers heated ice cream scoop the TV cars Model:

What is it / are they used for? change the style of the shoes see in the dark scoop really cold ice cream watch programs travel What are shoes with adjustable heels used for? They are used for changing the style of the shoes. Step 7: Summary Summarize

1．Let’s summarize what we learned in this period.

2．Yes, we learned how to talk about the history of inventions. Step 8: Homework

1．Fill in the chart yourselves and then write a passage according to it.

Invention When was it / were they invented? Cars The telephone The TV Hand-held What is it / are they used for? calculator Personal computers 2．Try to recite the sentences in grammar focus.

Period 2

Step 1: Revision

Good morning, boys and girls. Dictation

Do you still remember what we learned yesterday?

a. Now let’s have a dictation. Please open your dictation books. I’ll read the sentences in grammar focus, please write them down.

1) The car was invented in 1885． 2)Ｔhe electric slippers were invented last year. 3) Who were they invented by? 4) What are they used for? 5) They’re used for seeing in the dark. b. OK. Please hand in your dictation books now. Step 2: Section A 3a 1．Lead-in

We have a lot of inventions in our daily life. Some inventions are helpful and some are annoying. What inventions are helpful? What are annoying?

2．Helpful inventions

What do you think are helpful inventions? Why? Please fill in the blanks first and then discuss with your partners.

Model:

I think the telephone is a helpful invention. It is used for talking to people far away. Before the telephone was invented, I think if two persons who lived far away wanted to talk, they had to meet each other. It cost too much time and energy. With the telephone, we can communicate better and easier. ...

3．Annoying inventions

What do you think are annoying inventions? Why? Please fill in the blanks first and then discuss with your partners.

Model:

I think the alarm clock is an annoying invention. It is used for waking people up. I enjoy sleeping. When I am having a nice dream, the alarm clock wakes me up. I feel so annoyed. So I hate the alarm clock. Without the alarm clock, I think I might have a better sleep. ...

Step 3: Section A 3b

Please discuss your opinions with your partner. Step 4: Section A 4

Imagine that you are alone on a tiny island. Choose five inventions you would like to have on the island with you. Tell the group what you chose and why.

Model:

A: I’d like to have a radio because I could listen to music all day. B: Yes, but that’s not going to help you leave the island. I think it would be better to have ... Step 5: Summary Summarize

1．Let’s summarize what we learned in this period. 2．Yes, we discussed some helpful and annoying inventions. Step 6: Homework

Write a passage to talk about some helpful and annoying inventions.

Period 3

Step 1: Revision

Good morning, class. Do you still remember what we learned yesterday? Who can tell me some helpful and annoying inventions? Step 2: Section B 1a 1．Brainstorm

What words can describe how food tastes? 2．Write down some words

a. Please look at the pictures in 1a. Write down the words under the correct pictures. (Some pictures have more than one word.)

b. Have you finished? Student A, could you please tell us what words you have written down under the first picture?

...

Step 3: Section B 1b

Please write the name of a different food after each word. Step 4: Section B 2a

1．Talk about the four pictures

Please look at the picture. What are the two boys doing? ...

Yes, it seems that they are reading something on the bag of potato chips. 2．Read the sentences

a. Here are 6 sentences. I’d like to invite some students to read the sentences in class.

...

b. Students in Group 2, could you please translate the sentences into Chinese? 3．Listen and circle T or F

a. Please listen and circle “T” (for true) or “F” (for false). b. Let’s check the answers.

Step 5: Section B 2b

Listen and complete the sentences. a. Please read the short passage first.

b. Let’s listen again and complete the sentences. Step 6: Section B 2c

Please role play the conversation about the invention of the potato chips. Step 7: Summary Summarize

a. Let’s summarize what we learned in this period. b. Yes, we knew the invention of the potato chips. Step 8: Homework

Write a passage to tell the invention of the potato chips.

Period 4

Step 1: Revision

a. Good morning, class. Do you still remember what we learned yesterday? b. Please take out your dictation books. Write down the phrases you hear. Please write down the Chinese meanings.

1) potato chips 2)be mistakes 3) crispy 4) sour 5)sweet c. Hand in your dictation books, please. Step 2: Section B 3a 1．Lead-in

a. Do you like drinking tea? Do you know who invented tea? Today we are going to learn an article about it.

2．Comprehension

a. Read the article and write answers to the questions. 1) What is the article about? 2) When was it invented? 3) Who was it invented by? 4) How was it invented? b. Have you got the answers? Students in Group 2, please tell us your answers one by one.

...

c. Please read the article again and then draw a picture to tell how tea was invented. d. Have you finished? You can share your picture with your partner. 3．Expressions and structures

1) Please read the first sentence of the article. “Did you know that tea, the most popular drink in the world (after water), was invented by accident?” In this sentence,

“the most popular drink in the world (after water)” is an appositive.

e.g. Beijing, the capital of China, is a beautiful city.

中国的首都北京，是个美丽的城市。 2) by accident 偶然

e.g. I found her letter by accident, as I was looking through my files.

我在浏览文件的时候，偶然发现了她的信。 Yesterday we met her by accident. 昨天我们偶然遇见了她。

3) according to 根据……

e.g. According to Susie, he didn’t even have a girlfriend. 据苏莤所说，他甚至还没有女朋友呢。

According to our records, she was absent last Friday. 根据我们的记录，她上周五缺勤。 4) in ...way 用……方式

e.g. He looked at us in a strange way.

他奇怪地看着我们。

in the way 挡道

e.g. I couldn’t see because Bill was in the way.

我看不见，因为比尔挡着道。

by the way 顺便

e.g. Oh, by the way, my name’s Julie.

顺便说一下， 我的名字是米莉。

no way 不，决不

e.g. “Can you lend me your car?” “No way!”

能把你的车借给我吗？决不。

4．Translation

a. Please work in pairs and translate the article into Chinese. b. Do you have any difficulty? Please raise up your hands.

c. Who can translate the article into Chinese in class? Student B, please try it. 5．Listen and read aloud

a. Let’s listen and read aloud after the tape. b. Please read aloud the article yourselves. c. Student A, please read aloud the article. 6．Retell the article

Please try to retell the article with the help of the key words and phrases.

tea, popular drink, invented, by accident; not...until, bring to, Western world, 1610; emperor Shen Nong, discover, boil water, open fire; leaves, fall into, remain, some time; notice, produce, pleasant smell, taste Step 3: Section B 3b Tasks

Task 1: The invention of flying disk 1．Lead-in

Do you play flying disk with friends in your spare time? Do you know how it was invented? Let’s read the notes first.

2．Write the article

Now please write an article using the notes in the box. 3．Check the answer

Have you finished? I’d like to invite some students to read your article in class. Answer:

Well, they didn’t actually invent it—they discovered it. The original flying disk was really a metal pie plate from a bakery in Bridgeport, Connecticut. The students ate the bakery’s pies then threw the pie plates. Today there are flying disk clubs, magazines and festival.

Step 4: Section B 4a Task: My own invention 1．Think of problems in life

Do you have problems in your life? Have you solved them? Do you want to invent something to help you solve the problem? Discuss in pairs.

2．Finish the chart

Please read 4a and try to write the details in the chart. Problem: writing tests New invention: a pen that listens and writes Use: Price: 3．Think of a new invention

a. Please think of a new invention and write a passage about it.

b. Have you finished? Please read your passage to your partner and talk about your inventions.

Step 5: Section B 4b

Imagine you are a businessperson. Ask your partner questions about his or her invention. Then try to sell your partner’s invention to the class.

A: This special pen was invented by Zheng Jie. It has three colors and it is used for... Step 6: Summary Summarize

a. Let’s summarize what we learned in this period. b. Yes, we learned the inventions of tea and flying disk. Step 7: Homework

1．Recite the article (Section B, 3a)

2．Self-check-2, please find out some information about these inventions and get ready for the next class.

Period 5

Step 1: Self-check-1 1．Fill in the blanks

a. First let’s read the words and understand the meanings of them, “crispy, sweet, salty, sour”.

b. Please read after me “crispy, sweet, salty, sour”.

c. I’d like to invite some students to tell us the Chinese meanings of these words. ...

d. Please fill in each blank with the correct word given. e. Let’s check the answers. Please look at the PPT. Step 2: Self-check-2

Task: Introductions of inventions 1．Get information

a. I’m sure you have got some information about these inventions. Please fill in the chart.

Inventions When were they invented? Abacus Umbrella Who were they invented by? / Where were they invented? Binoculars Camera Bicycle b. Who wants to tell us your answers? Inventions When were they invented? Abacus Umbrella in the sixth century about 4,000 years ago Binoculars Camera Bicycle 18 1827 1880s Ignatio Porro in Italy Joseph Nicephore Niepce in England Who were they invented by? / Where were they invented? Chinese people Assyria, China and Egypt 2．Write paragraphs

a. Please write paragraphs to talk about these inventions.

b. Have you finished? Please share your paragraphs with your partner. c. I’d like to invite some students to read your paragraphs in class. Step 3: Summary Summarize

a. Let’s summarize what we learned in this period. b. Yes, we reviewed some words and sentence structures. Step 4: Homework

1．Write paragraphs to talk about inventions in self-check-2． 2．Finish the exercises of Unit 9 in the Workbook

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