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Advanced Recycling Materials Worksheet
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Advanced Recycling Materials Worksheet
🔍 Part 1: Material Identification & Sorting
1. Identify the recycling code and material type for each item:
a) Plastic milk bottle with triangle symbol "2" HDPE: ___________________
b) Soft drink bottle with triangle symbol "1" PET: ___________________
c) Yoghurt container with triangle symbol "5" PP: ___________________
2. Which of these materials can be recycled indefinitely without losing quality?
Paper and cardboard
Aluminium and glass
Most plastics
Organic waste
3. Select ALL materials that require special processing before recycling:
Electronics and batteries
Contaminated food containers
Clean aluminium cans
Composite materials (tetra paks)
🧠 Part 2: Critical Analysis
4. Explain why recycling aluminium uses 95% less energy than producing new aluminium from raw materials:
5. Compare the environmental benefits of recycling paper versus composting paper. Which is better and why?
6. Calculate: If Australia recycles 60% of its 67 million tonnes of annual waste, how many tonnes are still going to landfill?
🔗 Part 3: Recycling Process Matching
7. Match each recycled material to its correct processing method:
Materials:
Glass bottles
Plastic bottles (PET)
Aluminium cans
Paper/cardboard
Steel cans
Processes:
Melted at 1700°C and reformed
Shredded, cleaned, melted into pellets
Melted at 660°C in furnaces
Pulped with water and chemicals
Magnetic separation then melting
8. Design a solution: Propose an innovative method to increase recycling rates in your school. Consider contamination, collection, and education:
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