Unit7 Protect the Earth Checkout time 教案

Unit 7 Protect the Earth
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Teaching contents? 教学内容
checkout time & ticking time
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Teaching aims and learning objectives 教学目标
1.能够熟练的运用本单元所学的词句来谈论如何保护地球。
2.能正确完成checkout time 中的练习。
3.能综合运用所学语言完成短文：protect ?the Earth.
5.能对照Ticking time的三个目标进行客观的自我评价。
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Focus of the lesson and predicted area of difficulty 教学重点和难点
教学重点：1.能够熟练地运用本单元所学的词句来谈论如何来保护地球，并完成短文写作：Protect the Earth.
2.能正确完成Checkout time中的练习。
3.能对照Ticking time的三个目标进行客观的自我评价。
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教学难点：1.能运用比较丰富的语言谈论如何来保护地球，并完成相应短文。
Teaching procedures 教学过程
Step 1 Greeting & Revision
1. Greeting
2. Revision
T: Boys and girls, what's the topic of this unit?
S: Protect the Earth.
T: So, today, let's go on learning this unit.
(先让学生说说story time是从哪四个方面来保护地球的。)
S: Save water, save trees, save energy and don't use too much plastic.
(师根据学生的回答进行板书。)
T：They are more useful to our daily life. What can we do with them?
(PPT呈现课件)
S1: We use water to...
S2: We use wood to...
S2: We use coal to...
T: They are really important to us.
【设计意图】：复习旧知，巩固We use ...to...句型，为进一步学习做铺垫。
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Step 2 Checkout time
1. T:课件呈现水枯竭，树木被伐光等地球被破坏的图片，师讲解。
T: Save the world, save our lives. So, do you want to be the “environmental small guard” to protect the Earth?
(课件呈现“环保小卫士”的图片)
? S：Yes.
? T: If you want to be the "environmental small guard ". You should pass two tests, understand?
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2. Test 1 (课件出示Test1的过关条件)
T：（出示书76页的图片）Look at the pictures, can we do like that?
S: No.
T: What should they not do? Open your books and try to complete the sentences.
T: Have you finished? Let's check the answers, picture 1, what should he not do?
S1：He should not smoke in the restaurant.
(继续每一幅图，逐图与学生反馈答案)
T: read these sentences together.
T: What other behavior should we not do? Discuss in pairs.
(小组讨论，反馈，师板书并适当拓展)
T：Oh, You have passed Test 1, congratulations.
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3. Test 2(课件出示Test2的过关条件)
T: Just now, we talked about the wrong behavior, right?
S: Yes.
T: So, if you're the “environmental small guard”, what should you do to protect the Earth?
（引导学生从保护资源，保护生态，减少污染这几个方面来讨论，每一大组选择一个方向，四人为一小组汇报）
T：Excellent! you can protect the Earth well. I think you can be the “environmental small guard” now.
【设计意图】：通过争当“环保小卫士”这一主线，为学生布置任务，激活学生的思维，激发学生的学习兴趣，贴近学生的生活实际。
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4. Write a passage. (书77页 Think and write)????????????????????????
T: (课件呈现图片，让学生以“环保小卫士” 的身份给人类写封信。) Tell us: what should we do and what shouldn't we do.
T: If you need any help, just put up your hands, and I will help you with the spelling.
(学生完成之后，请个别学生到讲台前展示短文)
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Step 3 Ticking time
T: Boys and girls, I think you did a good job just now. But did you do a good job for the whole unit? Let's check it out. Look! (PPT 显示4个目标) We have four targets in this unit. They are...
(学生自主评价，小组互评，最后老师检测，学生自己总结不足)
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【设计意图】：逐条评价，相互评价，给了学生自我评价的主动权，有利于学生认识自我，有效调控自己的学习过程）
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Step 5 Homework 家庭作业
Finish the exercise in Workbook.
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