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1、6A Unit 7Protect the Earth教学设计 Teaching procedures教学过程 Step 1. Warm up S Did you ride your bike？ T Yes， you are so clever. I like riding very much， because I think its very healthy. Its a very “green” exercise. （PPT展示骑自行车的图片，接着呈现雾霾图片） T Why should we ride bikes？ S Because of the PM2.5 Step 2 .Presen
2、tation T What is the PM 2.5？ In Chinese is 雾霾. Now the PM2.5 is so heavy. Lets watch some pictures carefully and tell me what things you can see in the pictures. （Show some pictures） S I can see some animals， theyre in danger. S2 I can see the sky is dark. S3 I can see some water， theyre dirty. S4 I
3、 can see the trees； they are cut down by people. S5 The earth is in danger. Animals are in danger. T Yes， and also this （PPT 展示满地塑料袋塑料瓶的图片）。 T So today were going to learn” Protect the earth”. T First， Lets listen to the story and answer the question What problems are mentioned in the story？ 播放Story
4、 time的音频材料。 教授 oil and coal 的读音与拼写（PPT 展示 oil and coal） _ comes from the trees T Now we know water is useful， boys and girls， but why should we protect it and how can we do？ 让学生再次朗读课文并找出原因（Why do we save water？） 及方法（How do we save water？） S1 Water is useful. In many places， there is not much water.
5、S2 We should reuse and save it. T Wonderful， boys and girls. Now lets listen to the tape and read after it.（学生跟录音朗读） 教授第二部分Save energy T Now we know water is useful， what about energy？ Please read and choose. T Now lets find out why we should save energy and how to save it. 让学生朗读第二部分并画出原因（Why do we
6、save energy？）及方法（How do we save energy？），让学生回答。 S Because there is not much coal and oil on earth. S We should not drive so much because cars use a lot of energy. T Yes， so I think we can ride bikes or on foot. Now lets listen to the tape and read after it. （学生跟读录音） 教授第三部分Save trees T Now we know wa
7、ter and energy are important， what else？ S Trees. T Yes， now please read by yourselves and then you can check with your partner. S1 Where does wood come from？ S2 Wood comes from trees. We use wood to make tables， chairs and many other things. S3 We should not cut down trees. T Why should we not cut
8、too many trees？ S4 Because trees help keep the air clean. T Perfect， now lets try to fill in the blanks， boys and girls. comes from trees. We use to make tables， chairs and many other things. Keys Wood， wood We should not _trees because trees help Keys cut down， keep the air clean. 学生一起朗读这一部分。 教授第四部
9、分Dont use too much plastic T Now boys and girls， wood come from trees. What does plastic come from？ S The factory makes it. T Yes. What do you know anything else about plastic？ You can have a group discussion. S I know plastic bags S2 I know plastic bottles. S3 T Yes， we should not use too much plas
10、tic. Now lets read after the tape.（学生跟读录音） Step 3 . Consolidation. T “Protect the earth” speech time is coming； here are the tips. 小组合作，每组选择文中的一个小主题.（可以借助板书） Why should we ？ We should/shouldnt. 根据环保主题，提出保护环境的口号. T We should protect the earth because the earth is our mother. We live in the earth together， so we should protect her. Homework 1.听磁带录音并跟读五遍。 2.尝试复述课文。 3.完成练习册上小练习。