P3 Energy resources

• biofuel

  any fuel taken from living or recently living materials, such as animal waste
• carbon-neutral

  a biofuel from a living organism that takes in as much carbon dioxide from the atmosphere as is released when the fuel is burned
• geothermal energy


  energy released by radioactive substances deep within the Earth
• national grid

  the network of cables and transformers used to transfer electricity from power stations to consumers
• nuclear fuel

  substance used in nuclear reactors that releases energy due to nuclear fission
• nucleus

  tiny positively charged object composed of protons and neutrons at the centre of every atom
• reactor core

  the thick steel vessel used to contain fuel rods, control rods and the moderator in a nuclear fission reactor
• renewable energy

  energy from natural sources that is always being replenished so it never runs out