Edexcel GCSE Geography - Practice Exam 2/3 Mark Scheme

This GCSE Geography Exam Pack has three carefully designed exams written to the 2009 Specification for Edexcel. This is not an official set, but is great practice towards River Landscapes and a Watery World!

MARK SCHEME FOR PAPER 2

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  • Created on: 12-04-11 15:34
Preview of Edexcel GCSE Geography - Practice Exam 2/3 Mark Scheme

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Edexcel GCSE Geography A
Unit 2: The Natural Environment
Paper 2 Mark Scheme
Question Answer Total
Marks
SECTION A: RIVER LANDSCAPES
1 Corrosion ­ chemical reaction between certain types of rock
and river water (1)
Corrasion ­ particles carried by river water are thrown
against banks (1) 2
2a Erosion ­ wearing away of materials by a moving force (1 ­
or similar) 1
2b Transportation - Sediment transport is the movement of solid
particles (1 ­ or similar) 1
2c Weathering - Weathering is the breaking down of Earth's
rocks, soils and minerals through direct contact with the
planet's atmosphere (1 ­ or similar) 1
3 River's energy used to erode downwards (1) which is lateral
erosion (1). Weathering of material on banks (1) leads to
slope transport of loose material (1), ending in a V-shaped
valley (1). Diagrams included MAX 2 marks. Diagram must be
included otherwise max mark is 2. 3
4a X is a Meander. 1
4b Reject Diagrams.
At a meander (1), deposition occurs (1) on the inside of the
bend (1) due to the slower moving current (1), forming a slip-
off slope. 2
5 Causes may include:
· Impermeable rock
· Silted river beds
· Lots of rain
· Steep valley slopes
· Rapid thaw
· Long hot dry weather
· Cloudburst (etc. 1 each) 4
6 Forecasting:
Environmental agency and MET office (1) used to show
likelihood of flood allowing planning to occur (1).
Education:
Telling the public and future generations how to best be
equipped (1) in response to urgent or immediate flooding. (1) 4

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Refer to level descriptors for grade bands.
Points to include on River Nene:
HARD
· Embankments set back 10m at Upton (1)
· 6m high embankments at Upton in 2007 (1)
· Costs of £8 million (1)
· 2 m high floodwall at Upton built. (1)
· 450m clay embankment at Weedon in 2002. (1)
· 4m high floodwalls built at Foot Meadow. (1)
SOFT
· £8 million washland created in Upton (1)
· Debris cleared at Foot Meadow and Gabion Boxes
added.…read more

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As a country's economy becomes stronger, the wealth of an
individual increases and so more money is available for
luxuries. (1)
Many new labour devices use more water. (1)
Average dishwasher uses 3,000 litres of water a year. (1)
Change in hygiene means more water use for bathing and
washing. (1)
More holidays, leisure, e.g. swimming pools require water. (1) 3
4 Mexico city built on an aquifer. (1)
Areas of city sinking due to fast drainage of the aquifer.…read more

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Economy: new waterways along Yangtze provide
·
mass transit of raw materials (1). New railway linking
area provides transport. (1)
· Flood control: control capacity of 22.15 billion metres
cubed (1). Protects 1.5 million hectares of farmland
and properties of 15 million people. (1)
· Power: 84.6 billion kilowatt hours to be produced. (1)
· Navigation: 10 million to 50 million tonnes a year to be
transported (1) reducing cost by 35% (1).
· Tourism: in 2007, 800,000 visited the dam, resulting
in $15.…read more

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