I am a grade B student because… ‘…I will come to every lesson and try hard in every lesson. I...
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![Page 1: I am a grade B student because… ‘…I will come to every lesson and try hard in every lesson. I will come on time and complete every homework.’ ‘…I am going.](https://reader035.fdocuments.net/reader035/viewer/2022062409/56649e235503460f94b110d1/html5/thumbnails/1.jpg)
I am a grade B student because…
‘…I will come to every lesson and try hard in every lesson. I will come on time and complete every homework.’
‘…I am going to try hard and learn this year.’
‘…I will go home and research the unit I am working on so I can get good subject knowledge.’
‘…I will focus on the theory as I realise that is where important marks are to be gained.’
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Tertiary/Chemical Recycling:
‘When products are broken down and reformulated’
Use the following short clip to answer the questions on the recycling of glass
http://www.youtube.com/watch?v=6R8YObQbE88
Extension: Are there any potential negative environmental impacts caused by the recycling of glass
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Recycling Through Disassembly:
Disassembly: reprocessing materials for use in new products
How does the following clip suggest that a mobile phone can be recycled through disassembly?
What materials in particular are useful to recycle through this process and why?
http://www.youtube.com/watch?v=sCU4o_Ce9PM
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Exam-Style Questions:
Which of the following is not primary recycling?
• Giving an item to a charity shop• Re-making the product into something else• Handing items you no longer use to friends
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Exam-Style Questions:
Which of the following is not primary recycling?
• Giving an item to a charity shop• Re-making the product into something else• Handing items you no longer use to friends
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Exam-Style Questions:
The symbol shown stands for:
• Managed forest• Biodegradable• Timber yard• Picnic area
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Exam-Style Questions:
The symbol shown stands for:
• Managed forest• Biodegradable• Timber yard• Picnic area
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True or False
Grinding up thermoplastic products and remoulding them into new products is an example of primary recycling…
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True or False
Grinding up thermoplastic products and remoulding them into new products is an example of primary recycling…
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True or False
The recycling of aluminium drinks cans uses more energy than making new aluminium…
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True or False
The recycling of aluminium drinks cans uses more energy than making new aluminium…
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Exam-Style Questions:
State the meaning of biodegradable
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Exam-Style Questions:
What is it called when a product is reused or its materials are made into another product?
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Examination Tips:
• Make sure you read the question carefully!
• How many marks is the question worth? If a question is worth 3 marks, it means you will have to make three different points
• In terms of timing, this paper is worth 60 marks and you have 60 minutes to complete it in… Think about it!!!
• Have confidence!!! You are all clever boys, if you think something might be write, put it down on paper. You don’t lose marks for getting a question wrong
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Question Mark Scheme:
Sustainable:
• It can be replenished/re-grown, it is renewable/easily replaced, it will not run out [1]
• The wood can be grown again [1]
• Plastic is from oil which is not renewable/finite resource/run out [1]
Recyclable:
• Can be reused• Made into something else• Plastic pot could be used as a bin• Plastic re-melted/reformed• Wood difficult to recycle as it deteriorates if outside• Wood used to make something else e.g. a bench/fence
[Any 3 of the above for 1 mark each]
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Question Mark Scheme:
Sustainable:
• Rots easily in the environment [1]
• Wood rots naturally [1]
• Plastic will not rot/take 1000’s of years to decompose[1]
This question is worth 9 marks. That is over 15% of the total marks for this paper!!!
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Product Life Cycles:
‘The stages a new product goes through from conception to eventual decomposition’
We will now discuss…
• Product life cycle
• The afterlife [Product style!!]
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Plant Life Cycle
Seed germinates
Plant grows
Plant flowers
Fruit grows
Seeds released
Plant dies
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Why Did I Show You That?
• Can you think of any similarities between the life of plants and the life of products?
• Is there anything we can learn from nature regarding the way we dispose of our products after they have been used?
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SOURCING
Product Life Cycle
Seed germinates
Plant grows
Plant flowers
Fruit grows
Seeds released
Plant dies
Raw materials
Production
Distribution
Distribution
Using
Disposal
PRODUCTION
MARKETINGTRANSPORTATION
????
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The Big Questions?
• What impact does recycling have on a products life cycle?
• Which stage/s are most affected by this?
• What does effective recycling do for a product’s carbon footprint?
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Now Your Turn:
Use the keywords provided and the following web links in order to complete a detailed life cycle analysis for a plastic coke bottle:
http://www.youtube.com/watch?v=rbk4M_vYrvg
http://www.youtube.com/watch?v=vBNscAAmIxY
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Product Life Cycles:
‘The stages a new product goes through from conception to eventual decomposition’
So…
• What are the names of the key stages of a product’s life cycle