人教版九年级英语下册《nit 9 When was it invented. Section A》教案_9
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1、句型转换。
（1）She was seen to come out of the library by him.(变为主动语态)
Heout of the library.
（2）When are trees often planted?(变为主动主态)
Whenpeople often?
（3）The League foundedin Guang zhou in 1992.(就画线部分提问)
教
学
目
标
知识与技能
1、掌握一般过去的被动语态。
2、学会谈论发明的历史，会使用以下基本句子：
When was the car invented? It was inverted in 1885
Who were they invented by? They were inverted by…
What are they used for? They are used for seeing in the dark.
Group work
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.
1. Learn some new words and expressions.
2. Groupwork:
Section A 1a.
Ask students number the inventions according the order they were invented.
3.Grammar:The passive voice.
S1:I think it’s useful.
T: Why is it ?
S1: Well, it gives people more time to work and play every day.
3b.Discuss the opinions about some inventions with the partner like this:
教学
媒体
多媒体
教学内容和过程设计
环节
教学过程
学生活动
教学意义
Step 1
Warm-up
Step 2
Presentation
Step 3
practice
Step4
Sum up
Step 5
Homework.
Period1
1. A contest: Guess who is he (she)?
Teacher tells a story of a person and asks students to guess who he/she is.
情感态度与价值观
1、通过本单元学习使学生懂得人类的科学发明创造了丰富的物质文明。
2、培养学生的创造发明的能力和愿望。
重难
点分
析
1.一般过去时的被动语态结构和用法。
2.一些发明的使用以及对它们的描述。
课时
安排
2课时
第一课时：Section A:1a,1b,1c,2a,2b,2c
第二课时：Section A:3a,3b,4
4.Tea may _______(invent) by accident.
5.The ruler _____(use )since I began my school life.
6.The bikes are used for_____(ride)on.
Go over the whole lessons.
He was from America.
He was one of the greatest inventors in the world.
He was clever but he was in School for only 3 months.
His mother taught him to read and write.
Ask students to give some examples to show what each word means. For example, A vacuum cleaner is helpful. A very loud truck is annoying.
2. Pair work
3a.
Make a list of five helpful inventions and five annoying inventions. Then teacher can ask students to tell the reasons.
T: Is the light bulb useful or annoying?
the League?
（4）Did the students wear the school clothes a lot?(变为被动语态)
the sclool clothesa lot?
（5）Kate took good care of the baby yesterday evening.(变为被动语态)
Fill in the blanks with the words given:
1.The work _______(finish)tomorrow morning.
2.The books must______(give)back on time.
3.I think the telephone _____ (invent) in 1876.
Maybe you can use the following drills.
I’d like to have a…because I could…
It’s used for…
I think the most helpful invention is…
But that’s not going help you leave the island. I think it would be better to leave…
单位名称：
科目
英语
年级
九年级
课题
Unit 9 When was it invented?Section A
课
前
的
思
考
和
准
备
教
材
分
析
本单元要是围绕着“Inventions”这个话题，通过熟悉我们周围经常使用发明物的历史来开阔眼界，丰富自己的阅历，使自己养成勤于思考，善于总结的好习惯；学习并掌握被动语态的有关知识：学习Mind-mapping的阅读策略。
(1)The uses of the passive voice.
(2)The structure of the passive voice.
(3)How to change into the passive voice.
1.Listening practice
1b. Listen and match the inventions with the dates.
He build his own chemical lab when he was a boy.
His first invention was the automatic telegraph repeater(电报自动转发器) .
He has many inventions in his life and some inventions have changed the world.
通过竞赛活动活跃课堂气氛；并为下面的教学活动做铺垫。
激发学习兴趣，培养民族自豪感。
了解被动语态的用法。
训练听力，提高听力水平，掌握语言目标。
运用所学，巩固语言目标，开拓学生思维,养学生综合运用语言的能力。教后反源自思环节教学过程
学生活动
教学意义
Step 1
Warm-up
Step 2
practice
Step 3
Role play conversations using the information in 2b.
1. Look through the grammar focus.
2. Go over the whole lessons.
Finish the task:
Ask some students to read about an invention using an encyclopaedia or other book from the library, or by looking up information on the Internet. Have the students write up a short report and draw a simple picture of the invention or bring in a photo of it.
The babywell by Kate yesterday evening.
（6）His aunt bought him a bicycle.(变为被动语态)
A bicyclehim by his aunt.
2、汉译英。
（1）计算机是何时发明的？
（2）谁发明了计算机？
（3）计算机是用来做什么？
Consolidation and Extension
Step 4 Exercises
Step 5
Sum up
Step 6
Homework
Period 2
1. Greetings.
2. revision:
Show some pictures of inventions and talk about them.
2. Pairwork
1c. Talk about the inventions in 1b like this:
A: When was the telephone invented?
B: I think it was invented in 1876.
2. Listening practice
2a. Listen and number the inventions in the order.
Languages points:
“be used for”
Eg: Telephone is used for talking with people.
2b. Listen and match the inventions with their inventor and uses.
2c: pairwork:
A: What is it in English?
B: It’s…
A: When was it invented?
B: It was invented…
A: What is it used for?
B: It is used for…
1. Learn new words:
useful, annoying
过程与方法
采用Role playing和Discussion的学习策略。充分利用多媒体等教学设备，设计与本课话题相关的情景，如不同种类的发明，人物，实物等等。围绕着本单元的教学目标，设计一些贴近学生实际的教学任务，让学生谈论身边的发明如电话、电脑、汽车、茶叶、篮球以及一些当代发明的看法；让学生根据所学知识，自己进行创新设计等等。
2. Talking about:
The four greatest inventions in China.
Teacher show some pictures of the four greatest inventions in China and talk about them with students.
Guess and find the answer.
Look and talk about the four greatest inventions in China.
Group work.
Listen and finish the task.
Read and remember.
Research
and write
A: What do you think is the most helpful invention?
B: I think the most helpful invention is the light bulb.
A: Why is that?
B: Well, it gives people more time to work and play every day.
（1）She was seen to come out of the library by him.(变为主动语态)
Heout of the library.
（2）When are trees often planted?(变为主动主态)
Whenpeople often?
（3）The League foundedin Guang zhou in 1992.(就画线部分提问)
教
学
目
标
知识与技能
1、掌握一般过去的被动语态。
2、学会谈论发明的历史，会使用以下基本句子：
When was the car invented? It was inverted in 1885
Who were they invented by? They were inverted by…
What are they used for? They are used for seeing in the dark.
Group work
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.
1. Learn some new words and expressions.
2. Groupwork:
Section A 1a.
Ask students number the inventions according the order they were invented.
3.Grammar:The passive voice.
S1:I think it’s useful.
T: Why is it ?
S1: Well, it gives people more time to work and play every day.
3b.Discuss the opinions about some inventions with the partner like this:
教学
媒体
多媒体
教学内容和过程设计
环节
教学过程
学生活动
教学意义
Step 1
Warm-up
Step 2
Presentation
Step 3
practice
Step4
Sum up
Step 5
Homework.
Period1
1. A contest: Guess who is he (she)?
Teacher tells a story of a person and asks students to guess who he/she is.
情感态度与价值观
1、通过本单元学习使学生懂得人类的科学发明创造了丰富的物质文明。
2、培养学生的创造发明的能力和愿望。
重难
点分
析
1.一般过去时的被动语态结构和用法。
2.一些发明的使用以及对它们的描述。
课时
安排
2课时
第一课时：Section A:1a,1b,1c,2a,2b,2c
第二课时：Section A:3a,3b,4
4.Tea may _______(invent) by accident.
5.The ruler _____(use )since I began my school life.
6.The bikes are used for_____(ride)on.
Go over the whole lessons.
He was from America.
He was one of the greatest inventors in the world.
He was clever but he was in School for only 3 months.
His mother taught him to read and write.
Ask students to give some examples to show what each word means. For example, A vacuum cleaner is helpful. A very loud truck is annoying.
2. Pair work
3a.
Make a list of five helpful inventions and five annoying inventions. Then teacher can ask students to tell the reasons.
T: Is the light bulb useful or annoying?
the League?
（4）Did the students wear the school clothes a lot?(变为被动语态)
the sclool clothesa lot?
（5）Kate took good care of the baby yesterday evening.(变为被动语态)
Fill in the blanks with the words given:
1.The work _______(finish)tomorrow morning.
2.The books must______(give)back on time.
3.I think the telephone _____ (invent) in 1876.
Maybe you can use the following drills.
I’d like to have a…because I could…
It’s used for…
I think the most helpful invention is…
But that’s not going help you leave the island. I think it would be better to leave…
单位名称：
科目
英语
年级
九年级
课题
Unit 9 When was it invented?Section A
课
前
的
思
考
和
准
备
教
材
分
析
本单元要是围绕着“Inventions”这个话题，通过熟悉我们周围经常使用发明物的历史来开阔眼界，丰富自己的阅历，使自己养成勤于思考，善于总结的好习惯；学习并掌握被动语态的有关知识：学习Mind-mapping的阅读策略。
(1)The uses of the passive voice.
(2)The structure of the passive voice.
(3)How to change into the passive voice.
1.Listening practice
1b. Listen and match the inventions with the dates.
He build his own chemical lab when he was a boy.
His first invention was the automatic telegraph repeater(电报自动转发器) .
He has many inventions in his life and some inventions have changed the world.
通过竞赛活动活跃课堂气氛；并为下面的教学活动做铺垫。
激发学习兴趣，培养民族自豪感。
了解被动语态的用法。
训练听力，提高听力水平，掌握语言目标。
运用所学，巩固语言目标，开拓学生思维,养学生综合运用语言的能力。教后反源自思环节教学过程
学生活动
教学意义
Step 1
Warm-up
Step 2
practice
Step 3
Role play conversations using the information in 2b.
1. Look through the grammar focus.
2. Go over the whole lessons.
Finish the task:
Ask some students to read about an invention using an encyclopaedia or other book from the library, or by looking up information on the Internet. Have the students write up a short report and draw a simple picture of the invention or bring in a photo of it.
The babywell by Kate yesterday evening.
（6）His aunt bought him a bicycle.(变为被动语态)
A bicyclehim by his aunt.
2、汉译英。
（1）计算机是何时发明的？
（2）谁发明了计算机？
（3）计算机是用来做什么？
Consolidation and Extension
Step 4 Exercises
Step 5
Sum up
Step 6
Homework
Period 2
1. Greetings.
2. revision:
Show some pictures of inventions and talk about them.
2. Pairwork
1c. Talk about the inventions in 1b like this:
A: When was the telephone invented?
B: I think it was invented in 1876.
2. Listening practice
2a. Listen and number the inventions in the order.
Languages points:
“be used for”
Eg: Telephone is used for talking with people.
2b. Listen and match the inventions with their inventor and uses.
2c: pairwork:
A: What is it in English?
B: It’s…
A: When was it invented?
B: It was invented…
A: What is it used for?
B: It is used for…
1. Learn new words:
useful, annoying
过程与方法
采用Role playing和Discussion的学习策略。充分利用多媒体等教学设备，设计与本课话题相关的情景，如不同种类的发明，人物，实物等等。围绕着本单元的教学目标，设计一些贴近学生实际的教学任务，让学生谈论身边的发明如电话、电脑、汽车、茶叶、篮球以及一些当代发明的看法；让学生根据所学知识，自己进行创新设计等等。
2. Talking about:
The four greatest inventions in China.
Teacher show some pictures of the four greatest inventions in China and talk about them with students.
Guess and find the answer.
Look and talk about the four greatest inventions in China.
Group work.
Listen and finish the task.
Read and remember.
Research
and write
A: What do you think is the most helpful invention?
B: I think the most helpful invention is the light bulb.
A: Why is that?
B: Well, it gives people more time to work and play every day.