Life cycle assessment (AQA GCSE Chemistry Combined Science): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does a life cycle assessment (LCA) examine?
What does a life cycle assessment (LCA) examine?
Raw materials to disposal
Which four factors does LCA consider?
Which four factors does LCA consider?
Energy, materials, water, waste
How many main stages are there in a product's life cycle?
How many main stages are there in a product's life cycle?
Six stages
What happens during raw material extraction?
What happens during raw material extraction?
Materials are taken from nature
What occurs in the manufacturing and packaging stage?
What occurs in the manufacturing and packaging stage?
Product made and put in boxes/bags
Which bag uses the least energy per 1000 bags?
Which bag uses the least energy per 1000 bags?
Single-use plastic bag
Which bag produces the most waste per 1000 bags?
Which bag produces the most waste per 1000 bags?
Cotton bag
How much energy do plastic bags for life use per 1000 bags?
How much energy do plastic bags for life use per 1000 bags?
167.5 MJ
Why is LCA important according to the shopping bag study?
Why is LCA important according to the shopping bag study?
Different factors give different answers
What's wrong with 'Cotton bags are better as they use less energy'?
What's wrong with 'Cotton bags are better as they use less energy'?
It ignores other factors like waste
What should environmental claims always consider?
What should environmental claims always consider?
The whole life cycle
How many times more waste do cotton bags make than plastic bags for life?
How many times more waste do cotton bags make than plastic bags for life?
10 times more