Environmental issues Wood,Plastic,Metal 3.0 / 5 based on 2 ratings ? Design & Technology: Resistant MaterialsGCSEAQA Created by: GemmaCreated on: 22-03-13 10:36 Wood Posiive More can be created. plant more tree when they cut one down three more are planted. 1 of 17 Wood positive Growing more trees creates oxygen. 2 of 17 Wood positive Biodegradable it rots when thrown away. 3 of 17 Wood positive Relativity little energy used to process it. 4 of 17 Wood negative Rain fores are going so loss of habitat and soil erosion. 5 of 17 Plastic Positive Can be recycled. 6 of 17 Plastic Positive Very little waste 7 of 17 Plastic Positive Does not rot so doesn't need painting or varnishing. 8 of 17 Plastic Positive Use less energy compared to metal. 9 of 17 Plastic negative Most come from oil which is non-renewable. 10 of 17 Plastic negative Some can not be recycled. 11 of 17 Metal positive Often can be recycled ( scrap yard) 12 of 17 Metal positive Very strong and durable. It last a lot longer. 13 of 17 Metal positive Doesn't need to be replaced as often. 14 of 17 Metal negative More pollution created to get from the ore. 15 of 17 Metal negative Lots of energy needed to process the ore. 16 of 17 Metal negative Lots of energy need to make metal parts. 17 of 17
Comments
Report