(课件网) Our mother—the Earth WHO IS SHE She is 4.5billion years old. Blue and green are her favorite colors. She has more than 7.6children. 71percent of her body is covered with water. Beautiful Earth The earth is polluted. ships factories smoking building houses mobile phones loud music cars rubbish planes littering Do you know these words related to different kinds of pollution 汽车 嘈杂的音乐 垃圾 飞机 乱扔垃圾 轮船 工厂 烟雾 建房子 手机 Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. loud music cars rubbish planes littering ships factories smoking building houses mobile phones Pre-listening The earth is polluted. I got badly hurt! Question: What harm did she receive? Air pollution The factories that burn coal pollute the air with a lot of black smoke. n. 煤炭 Water pollution Factories put waste into the river. People throw away litter casually. litter v. 乱扔 n. 垃圾 rubbish waste 垃圾,废弃物 People should throw away litter in the bin. bin n. 垃圾箱 Noise pollution There are more cars on the road The effect of the pollution No clean water More and more people and animals are in danger. smog=smoke and fog Be bad for our health Keep away blue sky what should we do to save her Public transportation save water handkerchief 手绢 Napkin 纸巾 recycle them save the electric power. eg: Turn off the lights when you leave a room. 1.Read the text fluently “save the sharks” 2. Make a poster about “Save the sharks”. Homework Summary 1: we have learnt the facts of shark fin. 2: sharks are in danger 3: Two environment group to protect wild animals and what we can do to help sharks. 4: we should join hand together to protect the wild life and the earth.