九年級(jí)英語(yǔ)《When was it invented?》課件
一、教學(xué)目標(biāo)：
1. 語(yǔ)言知識(shí)目標(biāo)：
1) 能掌握以下單詞： heel, scoop, electricity, style, project, pleasure, zipper, daily, website, pioneer, list, mention
能掌握以下句型：
① —When was the telephone invented?
—I think it was invented in 1876.
② —What are they used for?
—They are used for seeing at night.
2) 能談?wù)撐锲繁话l(fā)明的時(shí)間、發(fā)明者，表達(dá)某發(fā)明的用途。
2. 情感態(tài)度價(jià)值觀目標(biāo)：
了解一些近現(xiàn)代發(fā)明的時(shí)間及用途，激發(fā)自己熱愛發(fā)明的情感。培養(yǎng)想象力，善于觀察事物。面對(duì)難題，用積極的態(tài)度去解決，發(fā)揮想象力，認(rèn)識(shí)世界，改造世界。
二、教學(xué)重難點(diǎn)
1. 教學(xué)重點(diǎn)：
1) 本課時(shí)的'單詞、詞組和句型，學(xué)習(xí)運(yùn)用一般過(guò)去時(shí)態(tài)的被動(dòng)語(yǔ)態(tài)。
2) 學(xué)會(huì)詢問發(fā)明時(shí)間及用途的基本句型：
—When was the telephone invented?
—I think it was invented in 1876.
—What are they used for?
—They are used for seeing at night.
2. 教學(xué)難點(diǎn)：
運(yùn)用一般過(guò)去時(shí)態(tài)的被動(dòng)語(yǔ)態(tài)來(lái)討論發(fā)明的發(fā)明時(shí)間及用途。
三、教學(xué)過(guò)程
I. Warming up
1. 展示一些近代發(fā)明的圖片與近代發(fā)明的發(fā)明者，讓學(xué)生們將圖片與發(fā)明者相連。
T: Do you know what these inventions are?
S1: It’s a car.
S2: It’s a telephone.
S3: It’s a television.
T: Do you know who these inventors are?
S1: Karl Benz
S2: Alexander Bell
S3: J. L. Baird
Let Ss match the inventions and the inventors.
Ⅱ. Presentation
引導(dǎo)學(xué)生們學(xué)習(xí)一般過(guò)去時(shí)態(tài)的被動(dòng)語(yǔ)態(tài)結(jié)構(gòu)。
讓學(xué)生們看大屏幕的如果愛和發(fā)明者的圖片,并將句子改為被動(dòng)語(yǔ)態(tài)。
如：
T: Karl Benz invented the first car in 1885.
The first car was invented (by Karl Benz) in 1885.
Ⅲ. Talking
1. Look at the pictures in 1a. Discuss with your group, in what order do you think they were invented? Try to number them [1-4].
2. Ss discuss with their partners and number the pictures.
3. Talking about the inventions:
A: I think the TV was invented before the car.
B: Well, I think the TV was invented after the TV.
Ⅳ. Listening (1b)
1. T: Tell Ss look at the pictures and years on the left.
2. Play the recording for the Ss to listen.
3. Ss listen to the conversation and try to match the invention with the proper year.
4. Play the recording again.
5. Check the answers.
Ⅴ. Pair work (1c)
1. Ss try to remember the invention and the year.
2. 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.
3. Let some pairs ask and answer in pairs.
e.g. A: When was the telephone invented?
B: I think it was invented in 1876.
…
Ⅵ. Learning the new words & Listening
Look at the pictures then learn the new words.
Work on 2a:
T: Tell Ss they will hear some interesting inventions.
1. Look at the pictures in 2a. Discuss the things what they are used for.
2. Play the recording for the Ss to listen and number the pictures.
3. Play the recording again to check the answers.
Work on 2b:
1. Let Ss read the chart below. Explain some main sentences for the Ss. Make sure they know what to do.
2. Play the recording for the Ss to fill in the blanks.
3. Play the recording again to check the answers.
4. Listen again and fill in the blanks.
Ⅶ. Pair work (2c)
1. Tell Ss to make conversations using the information in 2b. Make a model for the Ss.
A: What are the shoes with special heels used for?
B: They are used for changing the style of the shoes.
2. Let some Ss make conversations using the information in 2b.
3. See which group does the best.
Ⅷ. Role-play(2d)
1. Read the conversations and Let Ss read after the teacher.
2. Explain some new words and main points in the conversation.
3. Ask Ss to role-play the conversation in groups.
X. Language points
1. Well, you do seem to have a point…
have a point 有道理
e.g. I admit (that) you have a point. 我承認(rèn)你有理。
2. They are used for seeing in the dark.
be used for doing sth.表示“被用來(lái) 做某事”。 相當(dāng)于be used to do sth.
e.g. This computer is used to control all the machines.
這臺(tái)電腦是用來(lái)控制所有機(jī)器的。
Do you know what this tool is used for?
你知道這工具是用于做什么的？
3. Think about how often it’s used in our daily lives.
think about 表示“考慮，想起”
e.g. He is thinking about travelling in the summer holidays.
他正在考慮暑假旅游的事。
She was thinking about her childhood days.
她正回想她的童年時(shí)期。
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