National & Global Energy Resources (AQA GCSE Physics): Flashcards
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Two main categories of energy resources
Two main categories of energy resources
Renewable and non-renewable
Examples of non-renewable energy sources
Examples of non-renewable energy sources
Fossil fuels (coal, oil, gas) and nuclear fuel
List 7 renewable energy sources
List 7 renewable energy sources
Biofuel, wind, hydro, geothermal, tidal, solar, water waves
What is renewable energy?
What is renewable energy?
Energy from sources that can be naturally replenished
How consistent is renewable energy production?
How consistent is renewable energy production?
Less consistent - depends on conditions like sunlight or wind
Key advantage of non-renewable fuels
Key advantage of non-renewable fuels
High energy output per kilogram of fuel
Nature of non-renewable resources (finite/infinite)?
Nature of non-renewable resources (finite/infinite)?
Finite - will eventually be exhausted
Three main uses of energy
Three main uses of energy
Transport, electricity generation, heating
Environmental impact of fossil fuel extraction
Environmental impact of fossil fuel extraction
Destroying landscapes
Environmental impact of using fossil fuels
Environmental impact of using fossil fuels
Release harmful emissions
Emissions from solar and wind energy use
Emissions from solar and wind energy use
No emissions
When did fossil fuels become important?
When did fossil fuels become important?
During the Industrial Revolution
Why are renewables only recently suitable?
Why are renewables only recently suitable?
Technology had to develop to harness them efficiently