Geog

• Coal

  Formed underground from the remains of dead plants and animals from millions of years ago
• Nuclear power

  Produced by the nuclear reaction of some radioactive elements, e.g. uranium
• Fuelwood

  Wood cut from trees
• Biofuel

  Produced from plant and animal products or waste
• Solar power


  Converted from sunlight
• Wind power


  Generated when wind blows
• Hydroelectric power (HEP)

  Produced by water falling from a great height
• Tidal power

  Produced by the changing levels of tides
• Wave power

  Converted from the energy of sea waves
• Geothermal power

  Produced by the intense heat from the molten rock beneath the earth's crust