energy resources intro

• What was the primary source of energy for humans throughout most of history?

  Wood
• How has the primary source of energy changed in the past 200 years?

  Shifted from wood to fossil fuels
• What are fossil fuels?

  Coal, oil, and natural gas
• What has increased in use over the past 50 years?

  Renewable energy resources
• What are some types of renewable energy resources?

  • Solar
  • Wind
  • Hydroelectric
  • Geothermal
  • Biofuels
  • Tidal
• What is the primary use of energy in the UK?

  Transport and domestic uses
• What fuels are primarily used for transport in the UK?

  Petrol and diesel
• What powered trains traditionally in the UK?

  Coal
• What has replaced coal as the primary power source for most trains?

  Electricity
• What is the main source of energy for heating in UK households?

  Natural gas
• How is hot water used for heating in homes?

  Pumped through radiators to transfer thermal energy
• What is another non-renewable source of heat besides natural gas?

  Coal
• How do solar water heaters work?

  Use the sun's energy to heat water
• Can biofuels be used for heating?

  Yes, similar to coal
• Is electricity itself renewable or non-renewable?

  Depends on how it's made
• What percentage of electricity in the UK comes from fossil fuels?

  Almost 60 percent
• What percentage of electricity in the UK comes from non-renewable resources?

  Nearly 80 percent
• What does the majority of UK electricity come from?

  Non-renewable resources
• What should you do if you enjoyed the video?

  Give a like and a comment