8 B Unit 8 A green world

1. 8B Unit 8 A green world Integrated skills

2. Pollution has become a serious problem all around the world. What can we do to protect the environment?

3. reduce air pollution by riding bicycles • take shorter showers • recycle waste e.g. empty bottles • save energy by turning off the lights • turn off the tap when brushing teeth • use both sides of paper • turn off the lights when we leave a room • take our own bags to the supermarket What can we do to protect the environment?

4. make our city more beautiful • make the air clean and fresh • reduce the dust • keep the soilin place How can trees help us? plant more trees

5. Sandy and Kitty are talking about protecting the environment by planting more trees. Let’s listen and find out more information. We can plant more trees. I think our town will look_________with more trees__________. _________ ___________ is harmful to our _________. Trees can reduce dust and help keep the air_______. Trees can also help keep soil in place during __________. They can also ________ __________ for animals. nicer around Air pollution health clean storms provide home plant more trees

6. Listen and read after the tape. Pay attention to the pronunciation and intonation. Sandy: Pollution has become a serious problem all around the world. Kitty: Yes, I agree, We should try our best to protect the envrionment. Sandy: What can we do? Kitty: We can plant more trees. I think our town will look nicer with more trees around. Sandy: Good idea. Trees can reducedust and help keep the air clean. Air pollution is harmful to our health. Kitty: Right. Trees also help keep soil in place during storms. Sandy: They can also provide home for animals.

7. Pair work: Work in pairs and talk about the actions you take to protect the environment. A: Pollution has become a serious problem all around the world. B: Yes, I agree. We should try our best to protect the environment. A: What can we do? B: We can.... A: Good idea. … B: Right. A: … Useful expressions: • reduce air pollution by riding bicycles • take shorter showers • recycle waste • save energy by turning off the lights • turn off the tap when brushing teeth • use both sides of paper • turn off the lights when we leave a room • don’t use plastic bags. Take our own bags to the supermarket

8. How green are you? • Do you have a good daily habit to protect the environment? • Do you often do the following things? • reduce air pollution by riding bicycles • take shorter showers • recycle waste • save energy by turning off the lights • turn off the tap when brushing teeth • use both sides of paper • turn off the lights when we leave a room • take our own bags to the supermarket

9. The Class 1, Grade 8 students wants to do a survey to get some ideas for their presentation on how to go green. Listen to the conversation between Daniel and Sandy and write the correct information in the table below. A survey on students’ daily habit Time: Survey: ___________ Daniel and Sandy meet:___________ Place: ______________ Number of students: ______________ Boys:___________ Girls:___________ Number of questions:____________________ 4:00 p.m. this Wednesday 3:40 Room 201 50 25 25 6 Tip: Pay attention to the numbers and time.

10. Daniel and Sandy are talking about the results of the survey. Listen carefully and then complete the table below. 35 20 40 15 41 9 Tip: Pay attention to the numbers. e.g. 50 &15

11. Challenge: Can you answer the following questions according to the tape. • How can we save water? • What can we do save trees? • What may Daniel and Sandy talk about in their presentation? • By turning off the tap when brushing teeth and by taking showers for less than 10 minutes • We can use both sides of paper • They may talk about taking their own bags to the supermarket.

12. Sandy is writing a note to Mr. Weu about the survey she and Daniel have done. Help her complete the note. Use Parts A 1 and A 2 to help you. Wednesday Dear Mr. Wu Daniel and I did a survey this ______________. Students were asked about their____________. Here are the results of the survey. Only _________students usually take showers for less than 10 minutes, but __________students turn off the tap when brushing their teeth. Only 15 students recycle ______________, but __________students use both sides of the paper. It’s great that most students remember to ___________the lights, when they leave a room, but few students take their own __________to the supermarket. The survey shows that students are doing a lot to help protect the environment, but there are still many more things they can do. Sandy daily habits 20 35 empty bottles 40 turn off bags

13. Group work: Make a survey in your group. And choose one student to give us a report. e.g.Here are the results of the survey. _________students usually take showers for less than 10 minutes. __________students turn off the tap when brushing their teeth. _________students recycle ______________. __________students use both sides of the paper. It’s great that most students________________. _____________________________________________________ The survey shows that__________________________________

14. Everyone can do something to make a difference!

15. Homework • Review what we learnt today. Finish the exercises. • Talk with your parents, neighbours and friends about ways to protect the environment. • Preview Task on P118~119.