national and global energy resources

Cards (100)

  • What is a trend with the amount of energy the modern world uses?
    It is grown each year
  • what are the three main fossil fuels
    Coal, oil, and gas
  • Approximately what percentage of the world's total energy needs are supplied by fossil fuels?
    Around 80%
  • Why is reliability a significant advantage of fossil fuels?
    They always provide energy when we need it
  • What makes the reliability of fossil fuels a huge advantage?
    Compared with other sources of energy
  • Why is the high energy release of fossil fuels extremely useful?
    They can fly for thousands of miles before refueling
  • What fuel allows airplanes to fly for thousands of miles before refueling?
    Jet fuel made from oil
  • What does it mean that fossil fuels are abundant?
    The world still has plenty
  • What does the abundance of fossil fuels make them?
    Relatively cheap
  • What makes fossil fuels extremely versatile?
    We can use them for multiple applications
  • What are some uses for versatile fossil fuels?
    Transport, generating electricity, and heating
  • What is one reason that fossil fuels are versatile?
    They're portable
  • What is a result of fossil fuels being portable?
    Useful to power vehicles
  • How do renewable energy sources compare to fossil fuels in terms of versatility?
    Not as versatile as fossil fuels
  • What is a major disadvantage of burning fossil fuels?
    Releases a huge amount of carbon dioxide
  • What does the release of carbon dioxide contribute to?
    Climate change
  • What does it mean that fossil fuels are non-renewable?
    Not replenished or replaced as we use them
  • What will eventually happen if we continue to use fossil fuels?
    They will one day run out
  • What is released when burning diesel in cars and lorries?
    Carbon particles and nitrogen oxides
  • What does acid rain damage?
    Buildings and trees
  • What can burning coal produce?
    Sulfur dioxide
  • What does sulfur dioxide lead to?
    Acid rain
  • What elements do nuclear power plants run on?
    Uranium and plutonium
  • Is nuclear power renewable or nonrenewable?
    Nonrenewable
  • What is one advantage of nuclear power, in terms of emissions?
    It does not release carbon dioxide while running
  • How does nuclear power impact climate change?
    It does not contribute to climate change
  • What makes nuclear power reliable?
    It generates electricity exactly when we want it
  • What is a disadvantage of nuclear power in terms of materials?
    Nuclear power plants contain dangerous radioactive materials
  • What can happen if there is an accident at a nuclear power plant?
    Radioactive materials can be released into the environment
  • What was the result of the tsunami that flooded a Japanese nuclear plant in 2011?
    Release of radioactive material, evacuation of over 150,000
  • What happens to a nuclear power plant at the end of its life?
    It has to be decommissioned or dismantled
  • What does decommissioning a nuclear power plant involve?
    Taking many years and being extremely expensive
  • What is the main issue with nuclear waste?
    It is highly dangerous and radioactive
  • How long does nuclear waste need to be stored?
    Thousands of years
  • What did the UK have abundant reserves of?
    Coal
  • Until the 1950s, where did almost all UK electricity come from?
    Burning coal
  • Besides electricity, what were coal and coal gas used for in the UK?
    Heating and cooking
  • What energy source came online in the 1950s and caused a drop in coal use?
    Nuclear power
  • By the 1980s, approximately what percentage of the UK's electricity was produced by nuclear power?
    Around 20%
  • What resource started replacing coal for electricity generation in the 1970s?
    Oil and gas