Unit 6 When was it invented? Section A (1a-2d)教案

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Unit 6 When was it invented？
Section A 1a-2d教案
【教学目标】
1. 语言知识目标：
1) 能掌握以下单词： 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) 能谈论物品被发明的时间、发明者，表达某发明的用途。
2. 情感态度价值观目标：
了解一些近现代发明的时间及用途，激发自己热爱发明的情感。培养想象力，善于观察事物。面对难题，用积极的态度去解决，发挥想象力，认识世界，改造世界。
【教学重难点】
1. 教学重点：
1) 本课时的单词、词组和句型，学习运用一般过去时态的被动语态。
2) 学会询问发明时间及用途的基本句型：
—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. 教学难点：
运用一般过去时态的被动语态来讨论发明的发明时间及用途。
【教学过程】
【课堂导入】
Step 1 Revision & Lead in
1.Lead in
T:Good morning/afternoon, boys and girls. This week we will begin a new unit about inventions. You can see inventions all around us, from TV to car, from food to clothing. We should say nobody can live without them. Don't you think so Can you imagine what will happen without inventions ?
Ss: That's impossible.?
T:Yes, we live in a world of inventions. These inventions make our life easier and more comfortable. In this unit, we will learn some inventions and their history. First, let's get to know some new words.?
2. Free talk
1)What are the four great inventions in ancient China
Ancient inventions
2) let’s guess who and when they were invented.
3)Some modern inventions are important. Look and see.
4)use pictures and learn some new words.
【课堂活动】
Step 2 Activity(1a)?
1.Card game
T:Close your books. Here are some cards. On each card there is a word with English spelling. When I hold up a card, you must tell me what it means in Chinese, how to read it.?
2.Show the pictures of TV and car to express:?
TV，car-I think the TV was invented before the car.?
I think the TV was invented after the car.?
Notice: be-was.?
3.Make students understand the meaning of questions in 1a. Then finish it.?
Step 3 Listening (1b)?
Listen to the recording.
The first time, students listen, students listen and finish 1b.
The second time: Listen again and answer the questions.
The third time, Fill the blanks
check each answer in group of four.?
Step 4 Group work (1c)?
1.Show some date's pictures and ask students to read them fluently.?
2.Divide the whole class into two teams-boys and girls to read the conversation in 1c.
3.Finish 1c.?
4.Watch and answer, then role-play.
Step 5 Listening (2a)?
1.Learn new words and phrases: shoes with special heels， scoop, electricity.?
2.Play the tape. The first time, students only listen. The second time, students number 1-3 in the order you hear them. The third time, check the answers in group of four.?
Step 6 Listening(2b)?
1.Tell the differences between present tense, past tense and passive voice of past tense.
2.Make students understand the meaning of questions in 2b.Play the tape, students listen and answer the questions. Check the answers in group of four.?
Step 7 Pair work(2c)?
Make sure students can understand the meaning of questions in 2c. Read the conversation in pairs. Then ask some pairs to present to the class like this.
What are the shoes with lights used for
They’re used for seeing in the dark.
……
Step 8 Role-play(2d)?
1.Watch the video, and talk about the gist of 2d.?
2.Read the conversation follow the recording , try to answer the questions.
3. Read again and underline the sentences of passive voice of past tense. Then role-play 2d in pairs.?
Step 9 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. 我承认你有理。
2. They are used for seeing in the dark.
be used for doing sth.表示“被用来 做某事”。 相当于be used to do sth.
e.g. This computer is used to control all the machines.
这台电脑是用来控制所有机器的。
Do you know what this tool is used for
你知道这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“考虑，想起”
e.g. He is thinking about travelling in the summer holidays.
他正在考虑暑假旅游的事。
She was thinking about her childhood days.
她正回想她的童年时期。
【拓展有关think 其它的短语】
think of 指“考虑，记忆，记起”
如：You think of everything! 你全都提到了。
I can’t think of his name at the moment. 我一时想不起他的名字。
think sth. over指“仔细想，审慎思考，作进一步考虑”
如：Please think over what I said.请仔细考虑我说的话。
I want to think it over. 我想仔细考虑一下这件事。
think sth. out 指“想通，想出，熟思”
如：He thought out a new idea. 他想出了一个新主意。
That wants thinking out. 那件事需要仔细考虑。
【课堂小结】
1.We have learnt to use the Passive Voice to talk about the history of some inventions.
2. We have listened some listening materials.
3. We have learnt some key words and useful expressions
【课堂训练】
PPT
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