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AQA A Level Geography Water and Carbon Cycles Knowledge Test Flashcards | StudBud
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AQA A Level Geography Water and Carbon Cycles Knowledge Test
AQA A Level Geography Water and Carbon Cycles Knowledge Test
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AQA A Level Geography - Water and Carbon Cycles
Flashcards
41 cards
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Answers
1
What is the dew point?
The temperature at which water turns into a liquid from gas
The point at which precipitation occurs
The time of day when dew forms on grass
The temperature at which water turns into a gas from liquid
2
What is a process of change in a drainage basin?
Deforestation
Urbanisation
Farming
Storms and seasonal changes
3
What is the carbon budget?
The max amount of carbon the atmosphere can store
The balance between carbon flows and stores
The balance between carbon inputs and outputs
The max amount of carbon the water can store
4
What factors affect run-off and the shape of the hydrograph?
Steepness of the drainage basin
Shape of the drainage basin
Size of the drainage basin
Rock and soil type
5
How much of the Earth's freshwater is stored in the cryosphere?
45%
62%
69%
78%
6
When is a system in equilibrium in the context of Geography?
Inputs and outputs of the system are balanced
Negative feedback is occurring
The rate of the forward and backward reaction are the same
Positive feedback is occurring
7
What effect does deforestation have on the carbon cycle?
No photosynthesis
No respiration
Carbon content in the soil increases
Decomposers absent
8
What human activities affect the carbon cycle?
Farming
Deforestation
Carbon sequestration
Burning fossil fuels
9
What is an open system?
Inputs and outputs both energy and matter
Inputs and outputs just matter
A system which accepts change
Inputs and outputs just energy
10
What is ablation?
Inputs < outputs in the Cryosphere
Inputs > outputs in the Atmosphere
Snow and ice melt
Inputs > outputs in the Cryosphere
11
Which water store does evaporation cause an increase in?
Cryosphere
Hydrosphere
Atmosphere
Lithosphere
12
What is negative feedback?
Decreases effect of change
Returns the system to dynamic equilibrium
Shutting the system down in response to change
Mechanisms which counteract the change
13
What natural processes affect the carbon cycle?
Milankovitch cycles
Burial and compaction
Natural hazards
Natural climate change
14
What is the river discharge?
The length of the river channel
The volume of water that flows in a river per second
The depth of the river channel
The volume of water that flows in a river per minute
15
What is accumulation?
Inputs > outputs in the Cryosphere
Snow and ice gather on the surface
Inputs < outputs in the Cryosphere
A collector
16
In what condition will there be high rates of evaporation?
Cool, wet air
Lots of solar radiation
Large supply of water
Warm, dry air
17
What percentage of the Earth's water is fresh?
2%
3%
4%
1%
18
What is the watershed?
A shed made out of water
A shed that stores water
The boundary of a drainage basin
The boundary of the river channel
19
What physical factor causes variation in The Water Cycle?
Seasonal changes
Deforestation
Urbanisation
Storms
20
What percentage of rainfall is intercepted by the rainforest canopy?
95%
85%
65%
75%
21
Where are tropical rainforests found?
Between the equator and 60 degrees N and S
On the equator
Between the equator and 20 degrees N and S
Between the equator and 40 degrees N and S
22
What is the soil water budget?
How much money urban developers should spend on soil
The amount of water that can be stored on top of the soil
The soils capacity to store and transfer water
The amount of money the soil has to spend
23
What is the water balance?
A basin which is in water deficit
A basin which is in water surplus
The amount of water stored in a drainage basing
The balance between inputs and outputs of water
24
How much rainfall is there in tropical rainforests a year on average?
2500mm
3000mm
2000mm
1500mm
25
What human factors and activities cause variation in The Water Cycle?
Land use change
Storms
Water abstraction
Farming practices
26
Is the Global Hydrological Cycle an open or closed system?
Open
Closed
27
What is a carbon sink?
A sink made out of carbon
A store that releases less carbon than it absorbs
A store of carbon
A store that releases more carbon than it absorbs
28
What is the low pressure zone at the equator called?
The equator
Inter-Topical Convergence Zone
Zone of Convergence
Inter-Tropical Convergence Zone
29
Which one is NOT one of Earth's subsystems?
Cryosphere
Stratosphere
Lithosphere
Biosphere
30
What is positive feedback?
The system responds by increasing the effect of the change
Mechanisms which amplify the change
Restoring the system to dynamic equilibrium
Shutting the system down
31
In what condition will there be lots of condensation?
Dry
Lots of water vapour in the air
Large increase in temperature
Large drop in temperature
32
What is a closed system?
Inputs and outputs just matter
A system which doesn't respond well to change
Inputs and outputs just energy
Inputs and outputs both energy and matter
33
What is a carbon source?
A store that releases less carbon than it absorbs
A store that releases more carbon than it absorbs
34
What percentage of wood is carbon?
50%
60%
40%
70%
35
Is the Earth a closed or open system?
Closed
Open
36
What is lag time?
The time between peak rainfall and peak discharge
The time between peak discharge and base flow
The time between peak rainfall and base flow
The time between rising limb and falling limb
37
What percentage of the world's rainforest have been deforested?
30%
40%
50%
60%
38
What is the water table?
The upper level of saturated rock
A table of water
The max amount of water that can be stored in vegetation
The lower level of saturated rock
39
How is the link between CO
2
and temperature described?
There is no link
Negative correlation
Causal
Positive correlation
40
What is dynamic equilibrium?
Equilibrium in a closed system
A state of balance within a constantly changing system
Equilibrium in an open system
Attempting to restore balance after change
41
What factor causes warm air to cool and condense?
Moves from land to sea
Meets a convection current
Meeting mountain ranges or skyscrapers
Meeting cooler air masses
