P1 - Energy resources

• What are the uses of energy resources?

  1. Transport
  2. Generating electricity
  3. Heating
• What are three main fossil fuels?

  1. Coal
  2. Oil
  3. Gas
• Advantages of fossil fuels?

  1. Reliable
  2. Fossil fuels are cheap
  3. Fossil fuels are easy to transport
  4. Power stations are easy to build
• Disadvantages of fossil fuels?

  1. Releases carbon dioxide - contributes to greenhouse effect & global warming
  2. Non-renewable
  3. Releases sulphur dioxide - causes acid rain
• Advantages of nuclear energy?

  • Does not release carbon dioxide - does not contribute to greenhouse effect
  • Reliable
• Disadvantages of nuclear power?

  • Produce harmful radioactive waste that needs to be buried for a long time
  • High cost of commissioning and decommissioning
• What is a renewable energy resource?

  A renewable energy resource is one that is being replenished as it is used
• Advantages of renewable energy resources

  1. They will never run out
  2. They do not add any carbon dioxide to the atmosphere
• Disadvantages of Wind and Solar power?

  Not reliable
• Disadvantages of hydroelectric power

  It is very reliable, but habitats are destroyed

  Only useful in countries that have lots of rivers
• Advantage of tidal power

  Extremely reliable
• Advantage of wave power

  It is reliable
• Advantage of Geothermal power

  It is reliable
• Advantages of Biofuels

  Does not add extra carbon dioxide to the atmosphere