1. Enjoy a song

2. Grammar time, Fun time & Culture time (Period 4)

3. Join us Green Guards 学校正在招募绿色环保小卫士哦！

4. Protect the Earth … Save waterSave energy Save trees Don’t use too much plastic Let’s review

5. Water is ______. We ______ water and use water to ______ things every day. In many places, there is _____ _____ water. We should not ______ water. We should ______ and _____ it. Most of our energy comes from _____ and _____. There is ____ _____ coal ____ oil on Earth. We should ______ energy. We should not ______ so much because ______ use a lot of energy. Wood comes from ______. We use _____ to make ______, _______ and many other things. We should not ______ ______ too many trees because ______ help keep the air clean. We use ________ to make bags and bottles, but _____ _____ plastic is _____ for the Earth. We should not use _____ ______ plastic bags ____ bottles. We should use ______ bags and ______ bottles. usefuldrinkclean not much wastereusesave coaloil muchorsave drivecars not treeswoodtableschairs cut down trees plastic too much badtoo many or paperglass Let’s review

6. but too much plastic is bad for the Earth. We should not use too many plastic bags or bottles. We should use paper bags and glass bottles. Wood comes from trees. We should not cut down too many trees because trees help keep the air clean. Wood comes from trees. We should not cut down too many trees because trees help keep the air clean. Water is useful. In many places, there is not much water. We should not waste water. We should use and save it. Water is useful. In many places, there is not much water. We should not waste water. We should use and save it. Grammar time We drink water and use water to clean things every day. We use wood to make tables, chairs and many other things. We use plastic to make bags and bottles, Most of our energy comes from coal and oil. There is not much coal or oil on Earth. We save energy. We should not drive so much because cars use a lot of energy. touse touse to

7. Grammar time use … to... 你能找到什么规律吗？

8. Make sentences We use … to … watersittrees wood chairs We use water to plant trees. Wood comes from trees. We use wood to make chairs. We use chairs to sit.

9. water read wood eat plastic go shopping Tips: 1. 选好题目，两人合作，一人说一句。 2. 说完一题后，可尝试另外两题，看看谁说得最多！ Make sentences

10. water read We use books to read. We use water to plant trees. We use trees to make paper. We use paper to make books. Make sentences We use … to …

11. wood eat We use wood to make chopsticks. We use chopsticks to eat. Make sentences We use … to …

12. plastic go shopping We use plastic to make bags. We use bags to go shopping. Make sentences We use … to …

13. Grammar time Tip 1: should 情态动词，含义是应该，否定形式 should not=shouldn’t ，后面跟动词原形。 Tip 2: 与 should 相同用法的词还有 can 和 must.

14. Look, judge and say We should … We should not … We should ride bikes.

15. Look, judge and say We should … We should not … We should not litter.

16. Look, judge and say We should … We should not … We should not climb trees. We should not play on the grass.

17. Look, judge and say We should … We should not … We should plant trees.

18. Look, judge and say We should … We should not … We should not waste water.

19. Watch a video

20. Culture time Earth Dayis on 22nd April. 地球日

21. Culture time World Environment Day is on 5th June. 世界环境日 word Do you know others? （你还知道其它环保公益日吗？）

22. Know more Tree Planting Day (Arbor Day) is on 12th March. 植树日

23. Know more World Water Day is on 22nd March. 世界水日

24. Know more World Food Day is on 16th October. 世界粮食日

25. We should love and protect our Earth. Love the Earth, love life( 生命 ). Save energy, save the world. Culture time

26. Make a proposal 倡议书

27. Make a proposal (Save paper) Dear friends, Paper is useful. But many people waste paper. We should not throw paper after using one side. We should write on both sides （面）. Save paper! Come and join us! We use paper to make books and newspapers.

28. Dear friends, ____ is/are useful. We use _____ to _____________. But ________________. Make a proposal (_________) We should ___________. We should not ________. Save _____! Come and join us! Step 1: 八人一小组，选择一个话题讨论。 Step 2: 根据讨论内容每组完成一份倡议书。 Step 3: 小组成员齐读倡议书。 Step 4: 向全班同学展示你们的倡议书吧！

29. Enjoy the song

30. Fun time We can reuse … to … 再循环 减少 再利用

32. Fun time I collect some _______________. I can reuse _________ to ________________. paper make a box

33. Fun time I collect some _____. I can reuse _____ to _____.

34. I collect some … I can reuse … to … Look, it’s/they’re … I can …

35. Save things and reuse things. Let’s protect the Earth together.

36. HomeworkHomework 1. Perfect （完善） your proposals and put them on the wall of your classroom. 2. Introduce （介绍） your works （作品） to five of your classmates.