Reuse and recycle1.Say out the signs loudly.2.When you see the bomb(炸弹炸弹). Please say Danger!Play a gameLets readNo feeding.No photos.Be quiet.Wet floor.No swimming. No smoking.Danger!No parking. Keep off the grass.No eating or drinking.No fishing.No littering.No climbing.Lets talk.Different signs mean different things.What does this sign mean?It means “No climbing.” Where can we see it ?We can see it in the park.What cant we do?We cant climb the trees.Lets talkWhat does this sign mean?It means “Be quiet.” Where can we see it ?We can see it in the library.What cant we do?We cant make noise.Lets talkWhat does this sign mean?It means “Keep off the grass.” Where can we see it ?We can see it in the park.What cant we do?We cant walk on the grass.Lets talkWhat does this sign mean?It means “No feeding.” Where can we see it ?We can see it at the zoo.What cant we do?We cant feed animals.Work in pairs.What does this sign mean?It means Where can we see it ?We can see it in/at What cant we do?We cant There are many signs around us. Signs are very important in our life. Signs can give people more safety and help keep our city clean.beautifulmodern cleanWhat makes our city messy and dirty?Think and saysmoke from factoriessmoke from carsrubbishWhat can we do to keep our city clean?Think and saytake the bustake the metrowalk to schoolmove awayput rubbish in the binplant more trees Lets say Our city is dirty and messy. Smoke from factories and cars makes Rubbish makes Theres rubbish in the water and We can take We can walk to school. We can move away We can We should protect our city. We should protect our Earth.Protect the EarthA proposal倡议书Were going Were going green !green !Were going green Were going green ! ! Enjoy and findHow to protect the Earth?How to protect the Earth?Think and sayWe can reduce 减少减少reuse 再利用再利用recycle 循环利用循环利用Tip: reuse 指的是有些废旧物品可以指的是有些废旧物品可以不经过回收过程而直接再利用。不经过回收过程而直接再利用。 recycle指的是一个工业加工过指的是一个工业加工过程，目的是再利用。程，目的是再利用。reusewaterpaperplastic bottles old clothes He can reuse a paper box to make a toy.She can reuse a paper to make a box.I can reuse _to _Lets sayrecycleplastic bottlespapercans 易拉罐易拉罐 computers Tips:不可回收物不可回收物 可回收物可回收物A proposal倡议书Lets join them! OK?We are going We are going green!green! There is only one Earth in the world. We should protect the Earth. We can reuse old clothes to make a pencil case. We can reduce energy. We can recycle old mobile phones. Lets go green!We are going green!Lets write!点明主题从三方从三方面介绍面介绍总结号召 There is only one Earth in the world. We should protect the Earth. We can . We can reduce We can recycle Lets go green!We are going green!Lets write!Protect the Earth, Protect our home. Protect the environment, protect ourselves.We have only one Earth.1. Read Unit 5 and Unit 8 .2. Surf the Internet and find some photos about reusing and recycling. Lets learn more.Other daysabout EarthWorld Water Day is on 22nd March. 3月22日We should Tree Planting Day is on 12th March. 3月12日 We should World No-Smoking Day is on . 31st May We should not . smoke in many public placesSmoking is for . bad our health 健康健康5月月31日日World Animal Day is on 4th October. We should . . 10月4号World Food Day is on 16th October. We should not . Because in many places, there is not . We should . We should every day. waste food much foodsave foodeat up our lunch