Energy Sources

• What is energy?


  Energy refers to a source/supply of a product that can be processed to produce power
• Define non-renewable energy


  Non-renewable energy resources cannot be replaced and will run out
• Define renewable energy

  Renewable energy sources can be replaced quickly.
• What are some examples of renewable energy sources?


  Hydro, Solar, and Wind
• What are some examples of non-renewable energy sources?


  Nuclear and fossil fuels (Coal, oil, natural gas)
• What are the advantages of fossil fuels?


  Easy to use

  Cheap

  Generate large amounts of energy
• What are the disadvantages of fossil fuels?

  Burning fossil fuels creates carbon dioxide
• What are the advantages of nuclear power?


  Small amounts can produce a lot of energy

  Low carbon emissions

  Cheap to produce eletricity
• What are the disadvantages of nuclear power?


  Accidents are highly dangerous and have long-lasting effects

  The waste from nuclear power is dangerous and expensive to store
• What are the advantages of wind power?


  Does not generate carbon emissions
• What are the disadvantages of wind power?

  People think they are ugly

  They cannot generate enough electricity consistently
• What are the advantages of hydroelectric power?

  Does not generate carbon emissions

  Can reduce flood risk and water shortages
• What are the disadvantages of hydroelectric power?

  Expensive to build

  Large areas are flooded
• What are the advantages of solar energy?

  Does not generate carbon emissions
• What are the disadvantages of solar energy?


  Can be expensive

  Requires regular mantainence