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四、教学难点：
通过小组合作交流，利用思维导图，能正确地理解并朗读文本，在教师的引导和帮助下尝试复述课文内容。
五：教学准备：
PPT，板书
六：教学过程：
Step 1 Pre-reading
Enjoy a video about the Earth
T: This is our home. Is she beautiful? There are so many animals, trees, oceans and rivers on her surface.
T: Who’s she? (teach: Earth)
Talk about the Earth with the students
T: What’s on the Earth?
S: There’s/There are…
T: There are lots of rivers, oceans and lakes. And there is lots of water in them. (teach: lots of water)
T: What’s in the Earth?
T/S: There is some oil and coal in her body. (teach: coal, oil)
T: We use the coal to make electricity. We use the oil to make gas. Most of our energy comes from coal and oil. (teach: energy, most of)
Enjoy another cartoon.
T: Living with human beings, the earth was happy before. But now there is less and less clean water. There are less and less forests. Smoke from cars and factories makes the air dirty. We are asking too much from the Earth. She is so sad. As the children of the Earth, what should we do?
S: We should protect the Earth. (teach: protect) (揭题)
【设计意图：利用一个地球的视频让学生直观感受本课主题Earth，然后以此谈论What’s on/in the Earth?教学新词：oil和coal。通过一个人类破坏环境的视频让学生说说What can we do?让学生说一说第六单元学习过的保护环境的句子，从而激发学生保护地球的欲望，揭示本课主题：Protect the Earth。】
Step 2 While-reading
Watch the cartoon
T: Yes. We should protect the earth. But how can we protect the Earth? We have many ways to protect the Earth. Today I’ll bring you a video about protect the Earth. Let’s watch it and find out what are mentioned in the story.
(teach: Save water Save energy Save trees Don’t use too much plastic )
【设计意图：出示保护环境的方法，让学生看一遍story的卡通，回答文中涉及了哪四个方面，从而出示本课四个小课题。整体感知课文，从整体上初步掌握文章脉络。】
Passage1 Save water
Look and say
T: We know we drink water every day. So water is useful.
(teach: useful)
T: Water is useful. We use … to…(teach: We use water to …)