Do you understand the purpose of a life cycle assessment?
Life Cycle Assessment and Recycling Quiz
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Question 1 of 8
1. Question
[question number = 06.1] Which of the following points are advantages of recycling?
Correct 2 / 2 PointsIncorrect / 2 Points -
Question 2 of 8
2. Question
Drag and drop to match the advantage and disadvantage of recycling compared to extraction from ores
Sort elements
- Mining ores damages the landscape
- Waste metals can be difficult to sort
- Advantage
- Disadvantage
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Question 3 of 8
3. Question
[question number = 06.3] Use some of the following words to fill in the blanks.
Noise, landfill, river, habitats, dust
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Complete the following statements about the advantages of recycling compared to the extraction of metals from ores.
- Mining produces and pollution
- Mining can damage important
- Less waste metal ends up in sites
CorrectIncorrect -
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Question 4 of 8
4. Question
Use some of the following words to fill in the blanks:
Birth, manufacturing, life, individual, disposing, environment, cycle
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Complete the statement:
A – assessment for a product involves consideration of the effect on the of obtaining the raw materials, the product, using the product and of the product when it is no longer useful
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Question 5 of 8
5. Question
Which of the following statements accurately summarises the concept of a life-cycle assessment?
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Question 6 of 8
6. Question
A life-cycle assessment determines that 100,000 kilojoules of energy will be consumed to produce 1kg of magnesium from an ore. Alternatively, it would consume 25,000 kilojoules to extract the same mass of magnesium through recycling. Which method should be used given this information?
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Question 7 of 8
7. Question
Consider the following hypothetical scenario:
- A company that makes electronic devices needs cobalt.
- The company is also responsible for the disposal of the devices at the end of their useful lives.
- A life-cycle assessment determines that it consumes 10,000 kilojoules per kg to produce cobalt through mining ore and 50,000 kilojoules to produce it from recycling.
- The energy required for disposal is 100,000 kilojoules per kg for mined cobalt and only 50,000 kilojoules per kg for recycled cobalt.
What should the company do?
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Question 8 of 8
8. Question
Consider the following hypothetical scenario:
- A company is going to build a factory to make mobile phones.
- The company will sell all of the phones in the UK.
- The company considers two sites for its factory: Site A: In the UK or Site B: In Indonesia.
- Most of the raw materials are mined in Indonesia whereas they are recycled in the UK.
- Mining destroys important habitats for many vulnerable species in Indonesia.
- Recycling in the UK produces 5 times more carbon dioxide emissions than mining in Indonesia.
Given the information provided, where should the company build their new factory?
CorrectIncorrect