Renewable Sources of Energy

• What are the three main uses of energy in the UK?

  Transport, generating electricity, heating
• What do fossil fuels provide in terms of energy?

  A large amount of reliable energy
• What is a major environmental impact of burning fossil fuels?

  Releases a large amount of carbon dioxide
• What is the definition of renewable energy?

  Replenished as it's used
• Name three commonly used renewable energy resources.

  Wind power, solar power, hydroelectric power
• What are the two main advantages of renewable energy resources?

  They never run out and do not add CO2
• Why are wind and solar power considered unreliable?

  Not windy or cloudy days affect them
• What is a disadvantage of hydroelectric power?

  Destroys habitats when dams are built
• Why is hydroelectric power not suitable for the UK?

  It requires many rivers which the UK lacks
• How often does tidal power occur?

  Twice a day
• What is a potential issue with tidal power proposals in the UK?

  They may harm wildlife
• What is the current status of wave power in the UK?

  It is small-scale and experimental
• What does geothermal energy use to generate electricity?

  Heat from the earth
• Why is geothermal energy not widely used in the UK?

  It is not really used very much
• What is a problem with renewable energy generation in the UK?

  Most energy use is for transport
• What are biofuels produced from?

  Plant materials
• What happens when biofuels are burned?

  Carbon dioxide is released
• Why are biofuels considered carbon neutral?

  Growing plants took in carbon dioxide
• What is a potential problem with using land for biofuels?

  It could push up food prices
• What are the advantages and disadvantages of renewable energy sources?

  Advantages:

  • Never run out
  • Do not add carbon dioxide

  
  

  Disadvantages:

  • Wind and solar power are unreliable
  • Hydroelectric power destroys habitats
  • Biofuels can increase food prices
• What are the main renewable energy resources discussed?

  1. Wind power
  2. Solar power
  3. Hydroelectric power
  4. Tidal power
  5. Biofuels
  6. Geothermal energy
  7. Wave power
• What is the significance of renewable energy resources in the UK?

  • They provide alternatives to fossil fuels
  • They help reduce carbon emissions
  • They are essential for sustainable energy future