National & Global Energy Resources (AQA GCSE Physics Combined Science): Flashcards
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15 cards from this deck
Main UK electricity source before 1950s
Main UK electricity source before 1950s
Coal
% UK electricity from nuclear by 1980s
% UK electricity from nuclear by 1980s
~20%
Decade UK became major N Sea oil/gas producer
Decade UK became major N Sea oil/gas producer
1970s
Year gas = coal for UK electricity generation
Year gas = coal for UK electricity generation
2000
from gas vs coal
from gas vs coal
Gas generates less than coal
Start-up time of gas power stations
Start-up time of gas power stations
Short (quick/flexible)
Start-up time of coal power stations
Start-up time of coal power stations
Very long
Year & name of greenhouse gas protocol
Year & name of greenhouse gas protocol
2005, Kyoto Protocol
UK wind power reliability
UK wind power reliability
Not very reliable
Nuclear power role in energy mix
Nuclear power role in energy mix
Baseload
Renewable energy resource definition
Renewable energy resource definition
Replenished as it is used
Solar & wind power reliability
Solar & wind power reliability
Not reliable
Hydroelectric power disadvantage
Hydroelectric power disadvantage
Destroys habitats (dams, flooding)
Biofuels disadvantage
Biofuels disadvantage
Could push up food prices
Gas role in future energy mix
Gas role in future energy mix
Emergency power at peak demand