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when_was_it_invented学案(九年级英语)
所属科目:英语    文件类型:doc
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上传日期:2018/4/16  
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Unit 9 When was it invented
版班级: 座号: 姓名:
学习小组长评价和签字

完成

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课题:Unit 9 When was it invented?
第一课时The first period (Section A 1a-Grammar Focus)
一、学习目标
(一)知识目标:使学生理解、应用有关发明史话题的短语、句型。
(二)能力目标:使学生学会简单的介绍发明史。
(三)德育目标:使学生了解发明史,更加热爱科学,热爱创造发明。
学习重点:
重点单词:invent,calculator,slipper,electric
重点词组:be invented by, be used for doing sth, see in the dark
重点句型: When was/were… invented? It was /They were invented in …(发明时间)
Who was/were … invented by? It was/They were invented by…(发明者)
What are they used for? They’re used for doing…(用途.
学习难点: Who was/were … invented by? It was/They were invented by…(发明者)
学习过程:
一、检查课前预习:
◆教学以上重点单词、词组及句子 ,完成重点词组汉译英检测
1. 被发明__________________________ 2. 被用来……____________________________________
3. 在1876年_______________________4. 在电脑(发明)之前___________________________
5. 被贝尔发明_______________________6. 照明 ______________________________________
◆根据情景提示完成句子:
1.你想知道小轿车是什么时候发明的,你会这么问:
______________________________________________________________
2.你想说电动拖鞋是被用来在黑暗中看东西的,你会这么说:
_______________________________________________________________
3.你想问电脑是被谁发明的,你会这么问:
________________________________________________________________
4. 朋友问你电灯是谁发明的,你会这么回答:
________________________________________________________________
5. 你告诉同学电话是1976年发明的,你会这么说:
________________________________________________________________
二、课堂活动:
1.听1b 录音填写表格,并补全句子。
When
1867

1976
TV
Calculator

Inventions

Car




2. 听2a、2b 录音在横线上填入适当的词,每空一词:
A: Look at those battery-operated slippers. What are they used for ?
B: They are used for _________ in the dark.
A: Oh, that’s cool! Who were they invented _______?
B: Julie Thompson. And this heated ice cream scoop is used for scooping _____really cold ice cream.
A: Right. It was __________ by Chelsea Lanmon.
B: My __________ are those shoes with adjustable heels. You can move the heels up and __________.
三、课堂探究
生活中有很多和我们息息相关的发明物,请根据下面表格提供的信息,写一篇作文向大家介绍以下发明。要求:1.用被动语态描述。2.内容包括:该物品的发明时间、地点、发明人、用途.
Inventions
When
who
Used for

Car
1885
Benz
Traveling from one place to another

TV
1927
Barid
Having fun

Camera
1839
Daguerre
Taking photos


____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
学习小组长评价和签字

完成

订正


签字


厦门五中2013~2014学年上学期2011级英语学科教学案
班级: 座号: 姓名:
课题:Unit 9 When was it invented?
第二课时The second period (Section A 3a-4 Group work)
学习目标
(一)知识目标:使学生掌握并会应用相关话题的词汇和句型。
(二)能力目标:使学生学会描述最喜欢或最不喜欢的一项发明。
(三)德育目标:使学生学会认真观察生活,发现、观察身边的发明、创造。
二、学习重点和难点
学习重点:
1、重点词组:helpful /annoying invention;an alarm clock; light bulb ; microwave oven
2、重点句型
(1)A:What do you think is the most helpful invention?
B:I think the most helpful invention is the light bulb.
(2)I’d like to have a radio because I could listen to music all day.
学习难点:教会学生 陈述某项发明的利弊及原因。
教学过程:
一、检查课前预习
◆教学以上重点单词、词组及句子 ,完成重点词组汉译英检测
1. 最有用的发明______________________2.最恼人的发明__________________________
3.微波炉____________________________4. 闹钟_________________________________
5.灯泡______________________________6. 在一座小岛上_________________________
7.独处______________________________8.最好做_______________________________
◆根据情景提示完成句子:
1.你想知道朋友认为什么是最有帮助的发明,你会这样问:
_________________________________________________________________
2.朋友问你为什么灯泡是最有用的发明,你会这样回答:
__________________________________________________________________
3.朋友问你什么是最恼人的发明,他会这样问:
____________________________________________________________________
4. 你想知道电话是什么时候发明的,你会这么问:
_____________________________________________________________________
5. 你想问微波炉是被谁发明的,你会这么问:
________________________________________________________________________I
二、课堂活动:
1.根据对话内容,填上适当的单词,每空一词:
A: What is this? B: It is an ______________.
A: What is it used for? B: It is used for ___________people up.
A: Do you think it is _______________?
B: Yes, it always wakes me up. But sometimes it is _____________when I want to sleep.
小组活动,用多种答案填写表格
Invention
What do you think of it?
What can it be used for?

Car





Computer





Mobile phones





课外拓展
写作:生活中,发明无处不在,请以My favorite invention为题,介绍一项你最喜欢的发明,并说明喜欢的理由,以及它如何影响你的日常生活。要求1.该物品的发明史 2. 喜欢的原因 3.影响你的生活
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
___________________________________________________________________________________
______________________________________________________________________________________________________________________________________________________________________
___________________________________________________________________________________


厦门五中2013~2014学年下学期2011级英语学科教学案
班级: 座号: 姓名:
学习小组长评价和签字

完成

订正


签字


课题:Unit 9 When was it invented?
第三课时The third period (Section B 1-3a)
学习目标
(一)知识目标:使学生学掌握、运用相关话题的词汇、句型。
(二)能力目标:使学生学会描述发明史。
(三)德育目标:使学生了解茶的发明史,学会细心观察生活,处处有发明。
二、学习重难点
重点词汇:by mistake/ accident, in a bad mood, according to, fall into, salty enough, make sb. happy
in this way,sprinkle…on…, in the end; a chef called George
重点句型:--How was tea invented? --Tea was invented by accident.
Chocolate tastes sweet . Tea was discovered over three thousand years before that.
教学难点:not…until …的用法
学习过程:
一、课前预习:预习课本P37, 翻译下列短语和句子。
1.错误地_______________________________2.心情不好________________________________
3.落入_________________________________4.发出宜人的气味__________________________
5. 14.更喜欢A更不喜欢B ___________________________6.撒..在..上_____________________
7. 一个名叫George的厨师___________________________8最后_________________________
9. 你想知道茶是怎么发明的,该怎么问:
__________________________________________________________________________________
10. 你要说茶是偶然发明出来的,该怎么说:
___________________________________________________________________________________
11. 你想知道茶是什么时候被发现的,该怎么问:
___________________________________________________________________________________
12. 你想说茶是在那之前的三千年发现的,该怎么说:
___________________________________________________________________________________
13. 你想知道茶是由谁发现的,该怎么问:
___________________________________________________________________________________
14. 你想说茶是由神农发现的,你会说:
___________________________________________________________________________________
二、课堂活动
(一)听2a,2b对话录音,完成表格填空,每个一词。
The history of potato chips

Who were they invented by?
By a ________ called George Crum.

How were they invented?
They were invented by ____________

How did they taste?
They tasted really ____________.


(二)听3a 短文录音,完成表格填空,每个一词。
Tea

Who was it invented by?
Tea was invented by an ________ Chinese emperor.

When was it discovered ?
It was discovered over ______ thousand years ago.

How was it invented?
It was invented by __________.

What fell into the water he was boiling?
Some ________ from a nearby bush .

How did the leaves change ?
The leaves in the water produced a ________ smell.

What does it become today?
It becomes the most _________ drink in the world.


三、课外拓展
段落编写:bike, invent, most, like, because 编写一段合理的短文,50词左右,并用下波浪线划出所给单词。
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
_________________________________________________________________________________________________________________________________________________
…………………………
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