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Edexcel A-level Geography - Water cycle Exam Question & Answers 2024
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Edexcel A-level Geography - Water cycleExam Question & Answers 2024
Global Hydrological Cycle - Correct Answers ✅Circulation of water
around the earth
How is the Global Hydrological Cycle a closed system? - Correct
Answers ✅No external inputs or outputs.
The amount of global water is finite and constant.
Open system - Correct Answers ✅Receives inputs from and
transfers outputs of energy and matter to other systems
Sources that drive the Global Hydrological Cycle (2) - Correct Answers
✅Solar energy (in the form of heat)
Gravitational Potential Energy (precipitation falls to the floor/ rivers
flow downhill)
What are the stores of the water cycle? (6) - Correct Answers
✅Ocean
Atmosphere
,Edexcel A-level Geography - Water cycle
Exam Question & Answers 2024
Biosphere
Cryosphere
Groundwater
Surface water
Flows - Correct Answers ✅Transfers of water from one store to
another (km^3 per year)
Fluxes - Correct Answers ✅Rates of flow between stores
Flux size of flow of precipitation - Correct Answers ✅486,000
km³/year
Global Water Budget - Correct Answers ✅Takes into account all
the water that is held in stores and flows of the global hydrological
cycle.
Residence Time - Correct Answers ✅Average time a molecule of
water will spend in one of the stores.
,Edexcel A-level Geography - Water cycle
Exam Question & Answers 2024
Atmosphere Residence Time - Correct Answers ✅10 days
Ocean Residence Time - Correct Answers ✅3,600 years
Ice Cap Residence Time - Correct Answers ✅15,000 years
What is blue water? - Correct Answers ✅Water stored in rivers,
streams, lakes and groundwater in liquid form - visible part of the
hydrological cycle
What is green water? - Correct Answers ✅Water stored in the soil
and vegetation - invisible part of the hydrological cycle
What is grey water? - Correct Answers ✅Relatively clean water
waste from baths, sinks and kitchen appliances
What is groundwater? - Correct Answers ✅The water held within
permeable rocks (aka aquifer)
What is the cryosphere? - Correct Answers ✅Areas of the earth
where water is frozen into snow or ice
, Edexcel A-level Geography - Water cycle
Exam Question & Answers 2024
What is fossil water? - Correct Answers ✅Ancient, deep
groundwater from former pluvial (wetter) periods
What is the biosphere? - Correct Answers ✅The regions of the
earths surface and atmosphere occupied by living organisms
What is evaporation? - Correct Answers ✅The change in state of
water from a liquid to a gas
What is transpiration? - Correct Answers ✅The diffusion of water
from vegetation into the atmosphere, involving a change from a liquid
to a gas
What is precipitation? - Correct Answers ✅The movement of water
in any form from the atmosphere to the ground
What are flows in the hydrological cycle? - Correct Answers ✅The
physical mechanisms that drive the fluxes of water between the stores
Oceans water store - Correct Answers ✅97%
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