GCSE Physics (AQA)

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Use of Energy Resources

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Energy National and global energy resources

Use of Energy Resources

2:44 Non-Renewable Energy Resources
Spec 4.1.3
Previous Fuel Supplies Next Hydroelectric Energy
  • Most energy resources are used to generate electricity, including fossil fuels, wind, solar, and hydroelectric power.
  • Burning coal heats water to create steam, which spins a turbine connected to a generator to produce electricity.
  • Electricity is easier to transport and transfer than other forms of energy.
  • Electricity reaches homes via efficient overhead cables from the national grid.
  • Electricity powers various appliances and machinery.
  • Most transportation is powered by fuels made from oil, which is refined and separated into components like petrol.
  • Fuels release energy when burnt and are used for transport such as planes, cars, and trains.
  • Some transportation is powered by electricity to reduce environmental impact and carbon dioxide emissions.
  • Cars and trains can run on electricity, but technology for electric planes is not yet developed.
  • Natural gas is used for heating homes through boilers that burn the gas to release heat.
  • Heating can also be provided by electricity, burning coal, oil, and biofuels.
  • Biofuels made from plant materials are easier to source and burn.
  • Electricity can be used for heating by transferring electrical energy into heat, such as in electric heaters.
  • Understanding the use of resources and comparing differences between heating, electrical generation, and transport is important.

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