九年级英语上册unit2topic3sectionc教案
- 格式：doc
- 大小：54.50 KB
- 文档页数：4
(1)Read the passage quickly, and choose the right picture for each paragraph.
(2)Read the passage again, and then mark True(T) or False(F).
( ) ①It’s good that people produce power from coal.
(1)…people produce power from coal, butit is very dirty and causes acid rain.
(2) It takes people30 kmto the airport in juse 7minutesand reaches a top speed of431 kmper hour.
T:We must not only protect our environment but also save energy like electricity. Now discuss this problem in pairs: What should we do to save energy?
Step 2. Review
1.Learn the new words and phrases bylooking up in the dictionaryand making sentences. .
power, acid, nuclear, biogas, technology, straw, efficient, per, wheel, guide, steel
设 计 意 图
S3:First, turn off the lights when we leave a room.
T:Great. It’s easier said than done.So we have to keep on doing that every day.
3. Discuss how to save energy:
S5:Take a cloth bag when we go shopping.
S6:Turn off the TV set while we are away.
S7:…
T:Well done! Actions speak louder than words. If you want to be a greener person, you should do as what you say.
让学生再读1a，找出疑难点，并鼓励他们分组讨论解决疑难点，教师作补充讲解。
根据1b表格，以问答形式复述1a课文，巩固1a。
培养语言表达能力。
学生四人一组讨论，进一步了解节约能源的几种新型发电技术，完成2。
让学生四人一组讨论更多的发电技术，然后向全班汇报。完成2。
设 计 意 图
Step 5Project
培养学生快速阅读的能力。
先让学生在小组内讨论，然后师生共同核对答案。
设 计 意 图
3.Encouragethe students to pick up the points they don’tunderstandor those they feel important, then discuss by themselves, eg.
2. Learn the advantages and disadvantages of some kinds of energy.
教学
策略
学法
指导
Readingcomprehension,
revision, discussion, pair work, group work
教 学 过 程
教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学）学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）
Ss: Renewable.
(2) T: Can you say something about electric vehicle?
Ss: Ef) T: What are the disadvantages of maglev train?
…
T:What’s the disadvantage of these ways?
Ss:All of them must be used to produce electricity in some special situations. That’s to say, they are limited. For example, people can produce electricity from the sun, but if there is no enough sunlight, how does it work? (学生在教师的帮助下回答。)
( ) ② Nuclear power is dangerous.So we can’t use it.
( ) ③ China is one of the first countries in the world to use biogas technology.
( ) ④The maglev train can be used in most of China.
(1)In many countries, people produce power from coal, but it is very dirty and causes acid rain.
(2) Although electric vehicles produce no pollution, there will be an increase in electricity needs if they are widely used.
Step3Presentation
1.Talk about the pictures in1a.
They show us some forms of energy. Some of them may do less harm to our environment. What’re they?
…
2.Read1a-2
设 计 意 图
Step 1. Duty Report
Ask one or two students on duty to give a report, the others listen carefully and answersomequestionsaccording to the report..
(3) Listen to the tape of1aand repeat. Pay attention to the pronunciation and intonation.
Step4Consolidation
1.Look at the form in 1b. Read the passage again and fill out the table.
S1:Don’t drive a car if you travel a short distance.
S2:Write on both sides of the paper.
S3:Don’t use the things that can be used only once.
S4:After we wash faces, we can use the water to wash clothes.
S2:Walk or ride a bike instead of taking a bus or a taxi…
教 学 过 程
教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学）学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）
通过对节能环保知识的复习讨论，导入新课，教学部分生词。
2. Discuss the pictures:
T: What’s the advantage of these ways?
Ss:Less pollution.
T:That’s right. For example, lighting is powerful. If it can be made good use of, that would be great. I’m sure you can do it one day. Come on, my children.
3.T: Now, work in groups of four. Think about what else can beused to produce electricity. Then report to the class.
教 学 过 程
教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学）学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）
1.Discuss in groups: Do we need to save energy? Why?
2.Summarize the ways of saving energy learned in this section. Have a discussion in groups. Then come up with new technologies of producing electricity and new methods to save enery.
It takes sb.Some time to do some things.
…
4.Encourage the students to retell1aaccording tothetable in 1b by asking and answering.
(2)Read the passage again, and then mark True(T) or False(F).
( ) ①It’s good that people produce power from coal.
(1)…people produce power from coal, butit is very dirty and causes acid rain.
(2) It takes people30 kmto the airport in juse 7minutesand reaches a top speed of431 kmper hour.
T:We must not only protect our environment but also save energy like electricity. Now discuss this problem in pairs: What should we do to save energy?
Step 2. Review
1.Learn the new words and phrases bylooking up in the dictionaryand making sentences. .
power, acid, nuclear, biogas, technology, straw, efficient, per, wheel, guide, steel
设 计 意 图
S3:First, turn off the lights when we leave a room.
T:Great. It’s easier said than done.So we have to keep on doing that every day.
3. Discuss how to save energy:
S5:Take a cloth bag when we go shopping.
S6:Turn off the TV set while we are away.
S7:…
T:Well done! Actions speak louder than words. If you want to be a greener person, you should do as what you say.
让学生再读1a，找出疑难点，并鼓励他们分组讨论解决疑难点，教师作补充讲解。
根据1b表格，以问答形式复述1a课文，巩固1a。
培养语言表达能力。
学生四人一组讨论，进一步了解节约能源的几种新型发电技术，完成2。
让学生四人一组讨论更多的发电技术，然后向全班汇报。完成2。
设 计 意 图
Step 5Project
培养学生快速阅读的能力。
先让学生在小组内讨论，然后师生共同核对答案。
设 计 意 图
3.Encouragethe students to pick up the points they don’tunderstandor those they feel important, then discuss by themselves, eg.
2. Learn the advantages and disadvantages of some kinds of energy.
教学
策略
学法
指导
Readingcomprehension,
revision, discussion, pair work, group work
教 学 过 程
教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学）学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）
Ss: Renewable.
(2) T: Can you say something about electric vehicle?
Ss: Ef) T: What are the disadvantages of maglev train?
…
T:What’s the disadvantage of these ways?
Ss:All of them must be used to produce electricity in some special situations. That’s to say, they are limited. For example, people can produce electricity from the sun, but if there is no enough sunlight, how does it work? (学生在教师的帮助下回答。)
( ) ② Nuclear power is dangerous.So we can’t use it.
( ) ③ China is one of the first countries in the world to use biogas technology.
( ) ④The maglev train can be used in most of China.
(1)In many countries, people produce power from coal, but it is very dirty and causes acid rain.
(2) Although electric vehicles produce no pollution, there will be an increase in electricity needs if they are widely used.
Step3Presentation
1.Talk about the pictures in1a.
They show us some forms of energy. Some of them may do less harm to our environment. What’re they?
…
2.Read1a-2
设 计 意 图
Step 1. Duty Report
Ask one or two students on duty to give a report, the others listen carefully and answersomequestionsaccording to the report..
(3) Listen to the tape of1aand repeat. Pay attention to the pronunciation and intonation.
Step4Consolidation
1.Look at the form in 1b. Read the passage again and fill out the table.
S1:Don’t drive a car if you travel a short distance.
S2:Write on both sides of the paper.
S3:Don’t use the things that can be used only once.
S4:After we wash faces, we can use the water to wash clothes.
S2:Walk or ride a bike instead of taking a bus or a taxi…
教 学 过 程
教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学）学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）
通过对节能环保知识的复习讨论，导入新课，教学部分生词。
2. Discuss the pictures:
T: What’s the advantage of these ways?
Ss:Less pollution.
T:That’s right. For example, lighting is powerful. If it can be made good use of, that would be great. I’m sure you can do it one day. Come on, my children.
3.T: Now, work in groups of four. Think about what else can beused to produce electricity. Then report to the class.
教 学 过 程
教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学）学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）
1.Discuss in groups: Do we need to save energy? Why?
2.Summarize the ways of saving energy learned in this section. Have a discussion in groups. Then come up with new technologies of producing electricity and new methods to save enery.
It takes sb.Some time to do some things.
…
4.Encourage the students to retell1aaccording tothetable in 1b by asking and answering.
