六、 教学过程
Step 1 Enjoy a song 《We’re going green》(课前三分钟) T: Enjoy a song, please. Try to sing it.
[设计意图]：利用《We’re going green》引出主题，让学生在歌曲中学习课外词汇量，并为新课story time做好铺垫。)
Step 2 Greeting
T：Class begins. Good morning, children. Sit down, please.
Step 3 Enjoy a story.
1. T: I know you like stories. Let’s enjoy a story. The story is about … S: A mother and her son. 2. T: Children, do you know “rich”? S: 富有的
T: Yeah. Rich means someone has a lot of money. Go on. 3. T: Children, do you know this word?
Look at this word. “ coat”. How to read? S: coat
T: And this word is S: coal Teach: coal
T: Bingo. Try to say. I give you some coal to exchange some toys. S: I give you some coal to exchange some toys. 4. T: Well done! Go on.
Listen. I give you some oil to exchange a car. Got it? S: oil
T: Look ,this is toilet. S: toilet
T: How to say this word? S: oil
Teach: oil
T: Try to say. I give you some oil to exchange a car. S: I give you some oil to exchange a car. 5. T: Good job! Go on.
Look at this word. Can you read? S: wood Teach: wood
T: Who can say the sentence?
S: I can give you some wood to exchange a house. 6. T: Who can say the sentence?
S: I give you some water to exchange some money. T: Clever … Say together.
7. T: Children, this is the end of the story. What do you think of the son? S: The son wants a lot of things. T: And his mother gives more and more. Do you know who the son is? S: We. / People.
T: And who’s the mother? S: Earth. Step 4 Presentation 1. 揭题
T: Bingo. Look at this word. How to read? S: Early
T: How about this? S: Earth.
Teach: Earth —the Earth
T: In the story, the Earth is sad. And we have only one Earth. （板书：蓝色写——画个地球） So we should protect the Earth.
(揭题：白色写——写板书Unit7 Protect the Earth.) “o” pronounces “e” pronounces
Today we will talk about Unit7 Protect the Earth. Read together.
[设计意图]：在故事中解决coal、oil、 wood新词，用绘本故事引出主题，并揭题Unit7 Protect the Earth。) 2. 解决Save water
T: The Earth is our big home. Look at the blue part. What is it? S: It’s water.
T: Most of the Earth is covered by water. （板书：黄色写—— water） So water is useful. useful —— Water is useful. Teach: useful.
（板书：红色写—— useful） S: useful —— Water is useful. T: We drink water every day. And what do we use water to do?
Maybe you can say. Water is useful. We use water to … Teach: use … to …
（板书：红色写use … to…） S: Water is useful. We use water to …
wash hands / clean things / brush our teeth / water trees / take a bath… T: Wonderful. We drink water and use water to clean things every day. （板书：红色写drink 和clean）
But in many places, there are not much water. Look at the pictures. Too much means not a lot of. Teach: not much
（板书：红色写not much）
OK. Follow me. In many places, there are not much water. S: In many places, there are not much water. T: So what should we do? （板书：红色写should） S: We should save water. T: Nice. We should save water. Teach: save water (板书: 黄色写save) T: Do they save water?
S: No, they don’t. T: They waste water. Teach: waste
(板书：蓝色写×waste) T: So we should not waste water. (板书：红色写should not）
Pay attention should not also can shouldn’t T: Do you know this sign? It means reuse. Teach: reuse
(板书：蓝色写√reuse)
T: So we should reuse water. How should we reuse water? Who can tell us? S: …
T: Good idea. Please remember.
We should not waste water. We should reuse and save it. Read together.（齐读）
T: Well done. These sentences tell why. S: Why should we save water? T: These sentences tell how. S: How should we save water? T: Good questions. Let’s try to say. (根据板书复述save water）
[设计意图]：教师通过保护的地球的主题，先一步一步引导学生解决save water中的难点，把useful / use … to…)
3. 解决save energy
T: Do you know the other ways to protect the Earth? Now watch the cartoon and find the answer.（放卡通） T: Do you know how to protect the Earth? （热区点答案） S: Save water / save trees / save energy / don’t use too much plastic (板书：黄色写
save energy/ save trees / save energy / don’t use too much plastic)
[设计意图]: 第一步用看的方法。在观看动画前，教师提出问题，激发学生对文本的兴趣，激活学生的思维。然后，教师引导学生通过看动画的方式获取信息，使学生对课文有更多的了解。
T: Nice. Here’s a new word for you. Listen. Again. S: Energy.
T: Good. Look, e ner gy（直拼法） S: e ner gy Teach: energy
(板书：黄色写save energy)
T: Most of our energy come from coal and oil. S:...
(板书：红色写coal and oil)
T: How to save energy? This time read and find.
Why should we save energy? How should we save energy? Line down the sentences. Time’s up. Why should we save energy? (学生自由读并划出句子答案) T: Who can find?
S: There is not much coal or oil on Earth. T: You are right. How should we save energy？
S: We should not drive so much because cars use a lot of energy. (板书：蓝色写×drive so much & a lot of) T: Perfect! Are you right? S: Yes. Close your books. T: How should we save energy?
S: We should walk to school. / We should take the bus and the metro to school (板书：蓝色写√walk ,bus , metro) Good job. Try to fill in the blanks. S: ...
T: These pictures tell us why we should save energy and how we should save energy. Do you know the other energy? S: Wind energy and water energy. ( 根据板书复述save energy）
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