energy resources

• What happens to non-renewable resources over time?

  They will eventually run out
• What are examples of non-renewable resources?

  Fossil fuels and nuclear fission
• What characterizes renewable energy resources?

  They can be replaced at the same rate used
• What are examples of renewable energy resources?

  Solar, tidal, wave, wind, geothermal
• What are the main uses of Earth's energy resources?

  • Generating electricity
  • Heating
  • Transport
• What is the primary source of our current energy?

  Fossil fuels: coal, oil, natural gas
• What defines reliable energy resources?

  Available all the time or predictably
• What is the environmental impact of energy resources?

  Both types have some environmental impact
• What are the main non-renewable energy resources?

  • Coal
  • Oil
  • Natural gas
  • Nuclear fission
• What are the advantages of coal as an energy resource?

  • Enough available to meet demand
  • Reliable supply
  • Cheap to extract and use
• What are the disadvantages of coal as an energy resource?

  • Will eventually run out
  • Releases CO2 contributing to climate change
  • Causes acid rain from sulfur dioxide
• What are the advantages of nuclear fuel as an energy resource?

  • Large energy from small mass
  • Reliable supply
  • No polluting gases produced
• What are the disadvantages of nuclear fuel as an energy resource?

  • Dangerous nuclear waste
  • Expensive to set up and decommission
  • Difficult waste disposal
• What are the advantages of solar energy?

  • Can be used in remote places
  • No pollution produced
  • Very cheap to run after installation
• What are the disadvantages of solar energy?

  • Supply depends on weather
  • Expensive to install
  • Cannot meet large scale demand
• What are the advantages of hydroelectric energy?

  • Low running cost
  • Reliable supply
  • No fuel costs
• What are the disadvantages of hydroelectric energy?

  • Expensive to build dams
  • Floods habitats
  • Greenhouse gases from rotting vegetation
• What are the advantages of tidal energy?

  • Predictable supply
  • No fuel costs
  • Can produce large amounts of electricity
• What are the disadvantages of tidal energy?

  • Can harm marine habitats
  • Expensive to build and maintain
  • Supply varies with lunar cycles
• What are the advantages of wave energy?

  • Low running cost
  • No pollution produced
  • No fuel costs
• What are the disadvantages of wave energy?

  • Dependent on weather
  • Expensive to set up
  • Cannot meet large scale demand
• What are the advantages of wind energy?

  • Low running cost
  • No pollution produced
  • No fuel costs
• What are the disadvantages of wind energy?

  • Unreliable supply
  • Requires large land area
  • Can produce noise pollution
• What are the advantages of geothermal energy?

  • Low running cost
  • No pollution produced
• What are the disadvantages of geothermal energy?

  • Expensive to set up
  • Limited to specific locations
• What are the advantages of biofuels?

  • Can be carbon neutral
  • Reliable supply
• What are the disadvantages of biofuels?

  • Expensive to produce
  • Requires land and water for crops
  • Can lead to deforestation
• What is a non-renewable energy resource?

  Will eventually run out, not replaced quickly
• What is a renewable energy resource?

  Will not run out, replaced at the same rate
• What are the main renewable resources available on Earth?

  Solar, tidal, wave, wind, geothermal
• What are the main non-renewable resources available on Earth?

  Coal, oil, gas, nuclear
• What are the main advantages of using coal?

  Reliable, cheap, enough to meet demand
• What are the main disadvantages of using coal?

  Will run out, releases CO2 and pollutants
• What are the main advantages of using nuclear fuel?

  Reliable, no polluting gases, high energy yield
• What are the main disadvantages of using nuclear fuel?

  Dangerous waste, expensive setup and shutdown
• What are the main advantages of using solar energy?

  Low running cost, no pollution, remote use
• What are the main disadvantages of using solar energy?

  Weather dependent, expensive setup, limited scale
• What are the main advantages of using tidal power?

  Reliable, no pollution, low running costs
• What are the main disadvantages of using tidal power?

  Can harm habitats, expensive, variable supply
• What are the main advantages of using wave turbines?

  No pollution, low running costs, no fuel costs