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Can of Worms!

Can of Worms!. Joan: “Hey, did you see that report that in Singapore, each of us produces more than 1,200 kg of waste each year?” Mike: “What? How can… are you sure?” Joan: “No no , really! Apparently, most of it is paper and cardboard waste.” Mike: “Huh? What happens to all that?”

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Can of Worms!

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  1. Can of Worms! Joan: “Hey, did you see that report that in Singapore, each of us produces more than 1,200 kg of waste each year?” Mike: “What? How can… are you sure?” Joan: “No no, really! Apparently, most of it is paper and cardboard waste.” Mike: “Huh? What happens to all that?” Joan: “I think the report said that it gets burnt to ash, and the ash is then dumped at an island called PulauSemakau.” Mike: “Aiyoh, what a lot of smoke and fumes that will pollute the atmosphere!” Andy: “No, I know that our incineration plants are very advanced and burn at very high temperatures and so there is very little smoke or poisonous gases released. It also results in very fine ash that takes up far less space than the original trash.” Joan: “High heat? Wah… must use a lot of energy, ah?” Mike: “Yah, not ‘green’, right? Is there any eco-friendly way?” Andy: “I heard of some way to recycle waste using, er… worms.” Joan: “YUCK!” Mike: “GROSS! So smelly!” Andy: “Yah, but you want eco-friendly, right?! Anyway, it’s just regular earthworms or something, and after that you get fertilizer.” Mike: “So how come we don’t use this method?” • Learning Objectives • Students will be able to: • Design an experiment to show the effects of worms on the rate of decomposition of food waste • Persuade peers on the advantages of sorting out trash • Design a prototype table-top worm composting system Resources Info on recycling in Singaporehttp://www.zerowastesg.com/ NEA Waste Management websitehttp://app2.nea.gov.sg/topics_waste.aspx Videos on vermicompostinghttp://www.wix.com/step929/terracyclesg#!__videos Video of how-to do vermiculturehttp://worm-compost-bins.com Facebook game on waste managementhttp://www.facebook.com/oceanopolis Waste Management Gamehttp://www.swmgame.org/epd_english/index.htm DumptownGamehttp://www.epa.gov/recyclecity/dumptown.htm

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