Unit 7 Protect the Earth Period 1 教案

Unit 7 Protect the Earth (Period 1)教学设计
教学内容：Story time
教学目标：
能听懂、会读、会说单词protect, earth, save, useful, waste, reuse, energy, most, much,coal, wood, plastic, oil, drive, other，glass及词组come from, cut down,too many,,too much,
能听懂、会读、会说句子We use … to … We should … We shouldn’t …
通过小组合作交流，能正确地理解并能用标准的语音语调朗读文本，在教师的引导和帮助下尝试复述课文内容。
让学生了解保护地球的重要性，培养学生热爱地球，保护地球的意识，了解更多保护地球的方法。
教学重点：
1、能听懂、会读、会说单词protect, earth, save, useful, waste, reuse, energy, most, much,coal, wood, plastic, oil, drive, other，glass及词组come from, cut down,too many,,too much,
2、能听懂、会读、会说句子We use … to … We should … We shouldn’t …
3、通过小组合作交流，能正确地理解并能用标准的语音语调朗读文本，在教师的引导和帮助下尝试复述课文内容。
教学难点：
1、能听懂、会读、会说单词protect, earth, save, useful, waste, reuse, energy, most, much,coal, wood, plastic, oil, drive, other，glass及词组come from, cut down,too many,,too much,
2、能听懂、会读、会说句子We use … to … We should … We shouldn’t …
3、通过小组合作交流，能正确地理解并能用标准的语音语调朗读文本，在教师的引导和帮助下尝试复述课文内容。
教学过程：
Step 1 Pre-reading
T: Good morning, boys and girls.
Ss: Good morning, Miss Yang.
T: I’m very happy to be your teacher today. I hope we can enjoy this lesson. OK
Ss: OK.
T:Now let’s watch a video.(视频里是当今各种环境污染问题)
T: Look, 让学生说说从录像里看到了些什么，然后老师可以引导学生理解课题，the Earth is not as beautiful as before. So we must protect the earth.(揭题)
So today we’ll talk about how to protect the Earth.(揭题) Let’s be the green guards to protect the Earth. OK
Ss: OK.
T: How can we become green guards Look, here are some steps.
课件展示成为环保小卫士的步骤：
We know the use of water, energy, trees and plastic.（我们能了解水，能源和树的作用）
We know the problems of them（我们能了解他们出了什么问题）
We know the solutions of the problems（我们能知道怎样解决）
We can talk about protecting the Earth（我们能用英语谈论关于如何保护地球）
T: OK. Let’s go to step one.
Step 2 While-reading
Watch and answer.
T：Boys and girls, can you give titles to the pictures Let’s watch a cartoon and answer.
S1:Save water.
S2:Save energy
S3:Save trees
S4:Don’t use too much plastic
T:Good! Now can we find out the use of the four things (连线)
We use water to A. keep the air clean
We use energy to B. drink and clean
We use trees to C. drive cars
We use wood D. make bags and bottles
We use plastic to E. make tables and chairs
T: They are useful. (教读useful) Let’s read them together.
T:Now we know the use of them.Let’s go to step 2.(PPT展示步骤2)
Listen and find.
T: This time, please listen part 2&3 ，try to fill in the blanks.
Where does the energy come from ---Most of our energy comes from coal and oil.
Where does wood come from ---Wood comes from trees. (新授)
T: Good.
Read and discuss
T: They are useful. But we can’t use them too much. There are some problems with them. Read the passage and discuss in pairs. Then try to find out their problems.
(学生读课文和同桌讨论这四种能源发生的问题)
T通过PPT总结：Water: In many places, there is not much water.
Energy: There is not much coal and oil.
Trees: People cut down too many trees.
Plastic: People use too much plastic.
Read, underline and fill in the blanks
T: We know the problems.（PPT展示步骤2） We should solve the problems. Please read the passage carefully and underline the solutions. (小组合作读课文，划出文中解决方法的句子。)
T: How to solve the problems
Ss: We should… / We should not…
T:You all did a good job! Let’s finish the exercise on page70完成课文后练习。
Think and write
Water: We should ________ and ________ water. We should not ________ water.
Energy: We should ________ energy. We should not ________ so much.
Trees: We should ________ trees. We should not ________ ________ too many ________.
Plastic: We should not use too many ______ bags or bottles. We should use ________ bags and ________ bottles.
T:Now we know the solutions of the problems.
Read after the tape
T: Let’s read after the tape. Please try to imitate the pronunciation and intonation.
Retell according to the form（利用表格，尝试复述课文大意）
T: We know the use, the problems and the solutions of the four parts. Can you retell the passage according to the form For example:
We use water to drink and clean.There is not too much water.We should reuse and save it.We shouldn’t waste water. No.2: energy Who can try
S: We use …to… There is not too much …We should …We shouldn’t…
T: Thank you. You can be a green guard now.
T: Now let’s work in groups.One student choose a topic to make sentences.Let’s start.
(让学生编对话来展示)
Step 3: Post-reading
1.Make posters
T: We can do a lot of things to protect the Earth. As green guards, we should perform our duties. Look, my student in Nan tong made a poster. （可出示些相关的图片或是视频）Let’s make posters, too. And let more people know how to protect the Earth. OK Now discuss with your group members and write down your suggestions about protecting the Earth on the posters. You can use the helpful phrases at the back of the paper. (先展示自己学生做的一份海报，后让学生小组讨论合作做海报，展示)
T: You are so great. I am very glad to be your teacher today. Thank you.
Step 4:Homework:
1,Show your posters to more people and let them know how to protect the Earth.
2, Give a speech about how to protect the Earth.