Reducing Use of Resources (OCR GCSE Chemistry A (Gateway Science Suite)): Flashcards
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Practise the cards
15 cards from this deck
Two key strategies for sustainable resource use
Two key strategies for sustainable resource use
Recycling and reusing
Examples of finite natural resources
Examples of finite natural resources
Metals, glass, and ceramics
Main goal for living sustainably
Main goal for living sustainably
Minimise extraction of raw materials from Earth
Material that can be reused (example)
Material that can be reused (example)
Glass bottles
How glass bottles are reused
How glass bottles are reused
Cleaned, refilled, and used again
Benefit of reusing glass bottles
Benefit of reusing glass bottles
Significantly reduces need for raw materials
Material difficult to reuse (example)
Material difficult to reuse (example)
Aluminium cans
First step in recycling process
First step in recycling process
Separation of components at recycling centres
Second step in recycling process
Second step in recycling process
Melting down recovered metal components
Third step in recycling process
Third step in recycling process
Recasting raw metal into new products
Where scrap steel can be added
Where scrap steel can be added
Blast furnaces in iron production
Recycling disadvantage: transport
Recycling disadvantage: transport
Generates carbon emissions from vehicles
Recycling disadvantage: sorting
Recycling disadvantage: sorting
Labour-intensive
Recycling disadvantage: melting
Recycling disadvantage: melting
Requires significant energy
Three advantages of recycling
Three advantages of recycling
Lower environmental impact, less landfill, conserves resources