Energy resources

• What are three uses of energy resources?

  Transport, electricity generation, heating
• What is coal primarily used for?

  Electricity generation
• What is gas used for?

  Heating and electricity generation
• What is petrol primarily used for?

  Transport
• What is wind power used for?

  Electricity generation
• What defines a renewable energy resource?

  It can be replenished as it is used
• What are non-renewable resources?

  Fossil fuels and nuclear
• What are the three fossil fuels?

  Coal, oil, gas
• What greenhouse gas is released when fossil fuels are burned?

  Carbon dioxide
• What environmental issue is caused by the combustion of fossil fuels?

  It releases sulfur dioxide causing acid rain
• What is a consequence of increased greenhouse gases?

  Global warming and extreme weather events
• What damage can renewable resources cause?

  Damage to habitats and species during land clearing
• What is a major issue with nuclear power?

  It produces radioactive waste needing long-term storage
• How can science help with environmental issues?

  It teaches about issues but can't solve all problems
• How does energy demand vary?

  It varies by time of day and season
• Which power stations are always on?

  Nuclear and coal power stations
• Which power stations can be turned on quickly?

  Gas and hydroelectric power stations
• What is a reliable energy resource?

  One where energy production is predictable
• Why are many renewable energy resources considered unreliable?

  They depend on weather conditions
• What are the advantages and disadvantages of nuclear energy?

  Advantages:

  • Large amount of energy from small fuel mass

  
  

  Disadvantages:

  • Produces radioactive waste needing long-term storage
• What are the advantages and disadvantages of hydroelectric energy?

  Advantages:

  • Can be used to store energy

  
  

  Disadvantages:

  • Can cause habitat damage during construction