人教版九年级Unit 13 We're trying to save the earth!-Section A 2a—2d-ppt课件-(含教案+视频+音频+素材)-公开课-(编号：c06bb).zip

Unit 13 We are trying to save the earth. What about sunrise What about rain What about all the things That you said we were to gain What about killing fields Is there a time What about all the things That you said was yours and mine Did you ever stop to notice All the blood weve shed before Did you ever stop to notice This crying Earth the weeping shores Aaaaaaaaaah Aaaaaaaaaah Earth Song What have we done to the world Look what weve done What about all the peace That you pledge your only son What about flowering fields Is there a time What about all the dreams That you said was yours and mine Did you ever stop to notice All the children dead from war Did you ever stop to notice This crying Earth the weeping shores Aaaaaaaaaah Aaaaaaaaaah pollution Causes: a huge number of cars, factories, coal-burning Look and say What kind of pollution has been showed in this picture? What do you think has caused this pollution? air pollution Causes: loud music, airplanes, cars , mobile phones noise pollution water pollution Causes: factories , rubbish Look and say Causes: littering , all kinds of human activities land pollution 2a2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. A. land pollution B. air pollution C. noise pollution D. water pollution 1. The air is badly polluted because there are _on the road these days. 2. Factories that burn coal also _ the air with a lot of black smoke. 3. There is also too much rubbish and waste. People _things away every day. 4. People are also littering in_ like parks. Th is turns beautiful parks into ugly places. more cars pollute are throwing away public places 2b2b Listen and complete the sentences. Help save the earth We must think of better way to treat the earth . What do you usually do ? Are you a friend of the Earth? START Take a quiz You finish drinking a can of cola. What do you do? A: I throw away the can . B: I recycle the can . There are a lot of old newspapers at your home. What do you do? A: I throw the old newspapers away. B: I recycle the old newspapers. You go shopping. What do you do? B: I use my own bag. A: I use a lot of new plastic bags. When you write on a piece of paper, what do you do? A: I write on one side only. B: I write on both sides. Are you a friend of the Earth? Can we do something to save the earth? 2d Read and complete the chart. ProblemsHow to solve problems air pollution waste pollution wooden chopsticks or plastic forks rubbish take the bus, subway or ride a bike instead of driving bring a bag to go shopping use chopsticks or forks at home throw rubbish in the bins Discussion: What can we do to save the earth in our lives ? turn off the lights when you leave a room take the bus or ride a bike instead of driving stop using paper towels or napkins （餐巾（餐巾/餐巾纸）餐巾纸） throw the rubbish in the bins in our school dont smoke in public save water / turn off the tap dont waste food take the bus or subway ride a bike bring a bag to go shopping throw rubbish in the cans turn off the lights when you leave a room recycle books and paper turn off the shower when washing hair dont take wooden chopsticks or forks rethink, reuse, recycle . . What can we do to save the earth? 1.Review the new words and expressions. 2.Write about what you can do to help save the earth in your life. Unit 13 We are trying to save the earth. (Section A 2a-2d) Teaching Objectives: 1. Knowledge objectives The students can master the key words: ugly , advantage , cost, wooden, plastic, takeaway, bin. The students can master the useful expressions : throw away take the bus ,instead of, be good for, remember to do, make a difference, lead to . 2. Ability objectives The students can learn more about pollution and environmental protection. The students can listen for the key words and talk about what they can do to save the earth. 3. Moral objectives We have only one earth. Lets join together and save it for our future. Teaching Key Points: 1. New words, expressions and some important sentences. 2. Learn more about pollution and environmental protection. Teaching Difficult Points: 1. Master the main ideas and details of the listening materials. 2. Talk with others about what they can do to save the earth . Teaching Methods: Communicative teaching method Task-based teaching method Teaching Procedures: Step 1 Revision & Lead-in 1. I will greet the class. At the beginning of the class, we will enjoy a song . 2. Look and say. What kind of pollution has been shown in this picture? What do you think has caused this pollution? Step 2 Listening 2a &2b 1. Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. Listen for twice if the students need. I will ask two students to share their answers with the class and check them. 2. Listen again and complete the sentences. Listen for twice if the students need. I will ask one student to write their answers on the screen and check with the class. Step 3 Take a quiz 1. Are you a friend of the earth ? What do you usually do ? 2. Ask some students to choose what they usually do when they finish drinking a can of cola / when there are a lot of old newspapers at your home / when they go shopping / when they write on a piece of paper . Step 4 Watch and think 1. Lets watch a video . What you can see in it ？ 2 . Can we do something to save the earth? Step 5 Discussion 1. What can you do to save the earth in our lives ? 2. What can you do to save the earth in our school ? Step 6 Summary 1. I will ask the students what are learned in this class. 2. We will read the phrases on the screen together. Step 7 Homework 1. Remember the new words and expressions. 2. Write about what you can do to help save the earth in your life. Blackboard Design： Unit 13 We are trying to save the earth . (Section A 2a-2d) air pollution What can you do to save the earth ? noise pollution plant more trees water pollution save water land pollution take the bus or ride bikes .