10.1 Finite resources, sustainability and recycling
5 exam questions worth 8 marks. Write your answer, open the mark scheme, then give yourself the marks you earned. Your answers are saved on this device.
0 / 8
Which of these is a finite resource?
Choose one answer.
Correct Not quite: the answer is Crude oil
Mark scheme
C
Model answer
C: crude oil is being used up much faster than it forms.
What is meant by sustainable development?
Mark scheme
- meeting the needs of the present generation (1)
- without compromising the ability of future generations to meet their needs (1)
Model answer
Development that meets the needs of people today without stopping future generations from meeting their own needs.
Give two reasons why recycling aluminium cans is better than making new aluminium.
Mark scheme
any two from:
- saves energy (electrolysis uses a lot of electricity) (1)
- saves bauxite / finite ore (1)
- less waste / mining (1)
Model answer
Recycling uses far less energy than extracting aluminium by electrolysis, and it saves the bauxite ore.
Describe how glass bottles can be reused or recycled.
Mark scheme
- reused: washed and refilled (1)
- recycled: crushed and melted to make new glass products (1)
Model answer
Bottles can be washed and refilled, or crushed and melted to make new glass.
Give one disadvantage of recycling.
Mark scheme
- collecting / sorting / transporting uses energy and costs money, or recycled material may be lower quality (1)
Model answer
Collecting, sorting and transporting the waste costs money and uses energy.
Found a mistake?