That Blue Square Thing - Geography Revision

Unit 1 Markscheme - Population Change

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Use this markscheme to check your own answers. If you're unsure then ask a teacher to give you a hand. With practice you should be able to mark your own work.

You might find it useful to look at the Standard GCSE Markscheme.

This explains a little more about level marked questions and gives an example. As examiners we're always interested to see useful case studies used in longer answers - this will often gain marks because it helps to explain the points you're making.

a) Describe the relationship between energy use and GNP per capita

If you see the word "relationship" you need to start thinking about correlation. Is there a positive or a negative correlation?

In this case there's a pretty clear positive correlation - as the GNP goes up so does the energy use. Use some figures to show this and you can get the two marks easily.

b) Suggest reasons for the differences in energy use between MEDCs and LEDCs

Check that you haven't answered this question in part a! That is a surprisingly common mistake - always check the command words carefully and do what the question says.

Level 1: basic reasons - "MEDCs are richer so they use more energy"

Level 2: some development - what do they use energy on? For example, "MEDCs are richer and so people have more electrical equipment such as TVs in their houses so they use more energy. They also drive more cars which need energy as well"

c) What pollution problems and caused by the burning of fossil fuels?

You need to be clear about the word problems. Global warming, for example, isn't necessarily a problem. You need to talk about why this might cause problems (e.g. "...sea levels rise so more flooding") to get into Level 2.

Don't forget, you could talk about problems such as health issues such as bronchitis or asthma caused by fumes from the burning of fossil fuels.

d) Suggest reasons why renewable energy may become more important in the future

Level 1: basic points - e.g. "We might run out of other energy resources"

Level 2: some development of ideas - e.g. "fossil fuels such as coal cause environmental problems so we might decide to switch to renewable resources such as wind because they are cleaner and less likely to cause health problems for people"

You can get marks here for the idea of resources running out and become more expensive, because renewables are usually cleaner and because people might demand more energy and renewables might be a good way to solve that problem.

e) For an example you have studied, describe a scheme designed to reduce people's use of non-renewable resources

You need some sort of scheme - but note that this question doesn't need to be about energy resources. You could talk about schemes like recycling bins (like you have at home), charging for plastic bags (like might happen at your supermarket), providing free bikes (like in Cambridge) or things like biogas digesters in India or wind turbines at Parham.

Level 1: simple description without much detail - e.g. "Supermarkets can charge for plastic bags"

Level 2: some development - e.g. "Supermarkets charging for plastic bags means people use less plastic. Plastic is made from oil so this reduces the demands for oil"

Level 3: clear development and an obvious understanding of the example - e.g. "In Ireland the government taxes plastic bags in shops. This means they are more expensive which means customers are more likely to bring their own reusable bags This reduces the use of oil to make plastic bags which is non-renewable resources."

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