Lesson 15 the uk energy mix Flashcards

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1
Q

UK has abundant resources for what

up until the 1950s almost all of the electricity generated in the UK came from ________ ____

A

coal

burning coal

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2
Q

in the1950s nuclear power came online and by what time did it produce 20% of the UKs electricity

A

1980s

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3
Q

in the 1970s, UK became a major producer of oil and gas from the north sea and this began to replace _____

A

coal for electricity generation

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4
Q

by 2000, as much electricity was generated from _______ as from _____

A

burning gas as from coal

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5
Q

producing electricity from coal to gas has 2 major benefits from using coal

A

burning gas generates less CO₂ than burning coal(contributes less to climate change)

gas fired power stations are flexible (can be switched on quickly during high demands as they have a short start up time whereas coal-fired power stations have a very long start up time)

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6
Q

in the 1970s scientists realised that CO₂ emissions from human activity could be leading to ________ ____

A

climate change

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7
Q

in 2005 a large number of nations signed to the Kyoto protocol

which did what?

A

committed countries to reducing greenhouse gas emissions

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8
Q

the problems with renewables are reliability and this can be fixed via……

A

needing a baseload (nuclear power is ideal)

using gas fired power stations (this provides emergency energy in in times of peak demand)

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9
Q

coal and coal gas were used for almost all the what for the UK

A

the heating and cooking

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10
Q

energy from fossil fuels was very cheap which was known as an

A

economic factor

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11
Q

switching away from fossil fuels costs money which could cost what

A

jobs

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12
Q

UK has got one of the best locations for what in the world

A

wind-power

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13
Q

over the last decade, the UK has opened a large number of what

A

wind-farms

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14
Q

in the future renewables will provide the bulk of our what

A

electricity, with nuclear providing our baseload and then the gas producing electricity during periods of peak demands

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