national and global energy resources

• what is a non renewable energy resource?

  an energy source that will eventually run out

  it’s not replaced at the same time it’s used
• what is a renewable energy source?

  an energy source that will not run out

  it is being replaced at the same rate as its used
• What is the primary source of our current energy?

  Fossil fuels: coal, oil, and gas
• How do reliable energy resources differ from others?

  They are available all the time in sufficient quantities
• What is a common environmental impact of energy resources?

  They have some kind of environmental impact
• What are the characteristics of non-renewable energy resources?

  • Not replaced as quickly as used
  • Will eventually run out
• What are the main uses, sources, advantages, and disadvantages of coal?

  • Uses: Generating electricity
  • Sources: Extracted from underground
  • Advantages: Reliable, cheap, enough supply
  • Disadvantages: Will run out, releases CO2 and SO2
• What are the main uses, sources, advantages, and disadvantages of oil?

  • Uses: Generating electricity, transport, heating
  • Sources: Extracted from underground
  • Advantages: Reliable, cheap, enough supply
  • Disadvantages: Will run out, oil spills harm marine life
• What are the main uses, sources, advantages, and disadvantages of natural gas?

  • Uses: Generating electricity, heating
  • Sources: Extracted from underground
  • Advantages: Reliable, cheap, enough supply
  • Disadvantages: Will run out, releases CO2 and SO2
• What are the main uses, sources, advantages, and disadvantages of nuclear fission?

  • Uses: Generating electricity
  • Sources: Mining uranium
  • Advantages: Reliable, no polluting gases
  • Disadvantages: Produces nuclear waste, expensive to run
• What are the characteristics of renewable energy sources?

  • Can be replaced at the same rate they are used
  • Will not run out
• What are the main uses, sources, advantages, and disadvantages of solar energy?

  • Uses: Generating electricity, heating
  • Sources: Sunlight to solar cells and panels
  • Advantages: Cheap to run, no pollution
  • Disadvantages: Weather-dependent, expensive to install
• What are the main uses, sources, advantages, and disadvantages of hydroelectric energy?

  • Uses: Generating electricity
  • Sources: Water flowing downhill
  • Advantages: Low running costs, reliable
  • Disadvantages: Expensive to build, floods large areas
• What are the main uses, sources, advantages, and disadvantages of tidal energy?

  • Uses: Generating electricity
  • Sources: Turbines on tidal barrages
  • Advantages: Predictable supply, no fuel costs
  • Disadvantages: Expensive, changes aquatic habitats
• What are the main uses, sources, advantages, and disadvantages of wave energy?

  • Uses: Generating electricity
  • Sources: Floating generators powered by waves
  • Advantages: Low running costs, no pollution
  • Disadvantages: Expensive, changes aquatic habitats
• What are the main uses, sources, advantages, and disadvantages of wind energy?

  • Uses: Generating electricity
  • Sources: Turbines turned by wind
  • Advantages: Low running costs, no pollution
  • Disadvantages: Weather-dependent, noise pollution
• What are the main uses, sources, advantages, and disadvantages of geothermal energy?

  • Uses: Generating electricity, heating
  • Sources: Radioactive substances deep within Earth
  • Advantages: Low running costs, no pollution
  • Disadvantages: Expensive to set up, not widely suitable
• What are the main uses, sources, advantages, and disadvantages of biofuels?

  • Uses: Generating electricity, transport
  • Sources: Produced from living organisms
  • Advantages: Can be carbon neutral, reliable
  • Disadvantages: Expensive, requires land, can lead to deforestation