Trends in energy use (Edexcel GCSE Physics Combined Science): Flashcards
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Practise the cards
13 cards from this deck
Main energy sources in 20th century
Main energy sources in 20th century
Fossil fuels (coal, oil, gas) and nuclear power
UK electricity demand trend in 21st century
UK electricity demand trend in 21st century
Has decreased
Reason for decreased UK electricity demand
Reason for decreased UK electricity demand
Improvements in energy efficiency
Current main UK energy sources (type)
Current main UK energy sources (type)
Non-renewable (coal, gas, nuclear)
Growing renewable energy sources in UK
Growing renewable energy sources in UK
Wind power, solar energy, biofuels
UK's renewable energy target (%)
UK's renewable energy target (%)
15%
Three uses of fossil fuels
Three uses of fossil fuels
Generate electricity, fuel for cars, heating/cooking
Uses of biofuels
Uses of biofuels
Power vehicles, solar water heaters, heat homes
Reasons for UK's push towards renewables
Reasons for UK's push towards renewables
Environmental impact, public pressure, rise of electric cars
Cost challenge of renewable energy
Cost challenge of renewable energy
More expensive to build renewable power plants
Reliability issue with wind power
Reliability issue with wind power
Unreliable, depends on weather conditions
Personal cost barrier to renewables
Personal cost barrier to renewables
Hybrid/electric cars more expensive than petrol/diesel
Public opposition reason for renewable plants
Public opposition reason for renewable plants
Visually unattractive (e.g., wind farms)