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GCSE Geography > Paper 2: Resource Management - Energy > Flashcards

Paper 2: Resource Management - Energy Flashcards

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1
Q

Energy insecurity

A

energy is unaffordable
-low supply cannot meet demand

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2
Q

Reasons for low energy insecurity

A

-access to infrastructure
-able to import
-trade with countries

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3
Q

Reasons for high energy insecurity

A

-unable to afford imports
or infrastructure to extract it
-lots of conflict

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4
Q

Reasons for increasing energy

A

-population growth
-wealth increasing
-transport links increase
-supply increases = cheaper
-modern tech

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5
Q

Why did the UK energy consumption decrease since 2000

A

-energy efficient appliances
-reduces wasted energy

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6
Q

Physical factor affecting energy supply - geology

A

-determines fossil fuel deposits
-oil in arctic condition is hard to explore
-remote location + harsh weather

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7
Q

Physical factor affecting energy supply - climate

A

-renewable energy depends on this
solar need sun
hydroelectric needs rain

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8
Q

Human factor affecting energy supply - cost of production

A

-cost is low = cheap supply = high demand
-supply is smaller = demand + consumption falls
-prices fall companies close operations
-prices rise companies explore more energy

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9
Q

Human factor affecting energy supply - technology

A

-research of efficient renewable energy
-more energy available

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10
Q

Human factor affecting energy supply - politics

A

-imports from unstable countries = risk of supply interruption
-imports from alliances = cheap

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11
Q

Intergovernmental organisation of oil producing countries (OPEC)

A

-set production targets
-influences prices

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12
Q

How does economic development = more energy

A

-better access to stores
-population can afford it

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13
Q

Impacts of energy insecurity

A

-increase costs
-power cuts
-disputes of theft of oil between countries
-energy rationing
-decrease quality of life

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14
Q

Energy insecurity on the environment

A

-less stores
-habitats will be drilled into

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15
Q

Pros for fossil fuels

A

-increase domestic energy supplies
-affordable + reliable
-jobs made for mines

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16
Q

Cons for fossil fuels

A

-expensive for infrastructure
-co2

17
Q

Pros for Fracking

A

-more cost effective
-meets demand

18
Q

Cons for fracking

A

-non renewable
-may damage environment
-cause minor earth tremors
-contaminate water
-lead to water stress

19
Q

Pros for Carbon capture + CHP

A

-make fossil fuels eco friendly
-reduces pressure to cut carbon/fossil fuels

20
Q

Pros for biofuels

A

-renewable
-low co2 emissions

21
Q

biofuels

A

-burning of wood/crops to generate power

22
Q

Con for biofuels

A

-monoculture damages soil fertility
-local biodiversity

23
Q

Pros for nuclear energy

A

low co2

24
Q

Cons for nuclear energy

A

-expensive
-nuclear disasters
-health risk

25
Q

Pros for Hydroelectric power

A

-creates affordable and reliable supply
-no emissions

26
Q

Cons for hydroelectric

A

-harms habitats from flooding
-unpredictable rainfall = reduces reliability

27
Q

Pros for Tidal energy

A

-sustainable

28
Q

Cons for tidal power

A

-unpredictable
-habitat damage

29
Q

Pros for solar and wind energy

A

-less vulnerable to fluctuating prices
-solar from summer can be stored

30
Q

Cons for solar and wind energy

A

-seen as eye sores
-expensive to build
-unreliable due to weather

31
Q

Con for geothermal energy

A

-relatively new
-only accessible at plate boundaries = UK not able

32
Q

geothermal

A

-thermal energy from within Earth is released through drilling

33
Q

Ways to reduce transport emissions

A

-reduce flights
-more public transport
-energy efficient cars
-car sharing

34
Q

Carbon capture

A

-capture co2 when emitted
-store underground = doesn’t enter atmosphere
-co2 turned into liquid
-injected into sedimentary rock
-rock is impermeable = cannot escape

35
Q

CHP - combined heat and power

A

-captures and uses heat from electricity generators
-reduces co2 emissions by 30%

36
Q

Tungu-Kabri Micropower scheme

A

-harnesses the energy of falling water to make electricity.
-in Kenya
-uses hydro power for energy

GCSE Geography (24 decks)

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