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Unlock 4 Unit 6: Energy

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  • petrol
    a liquid fuel used in cars
  • element
    a part of something
  • limitation
    a rule or situation that limits something
  • carbon footprint
    the amount of energy that a person or organization uses in order to exist or operate
  • network
    a system or group of connected parts
  • tower
    a tall, narrow structure, often square or circular, which either forms part of a building or stands alone
  • pipe
    a long tube inside which liquid or gas can move through
  • alternative
    different from what is usual or traditional
  • challenge
    something that is difficult and that tests someone's ability or determination
  • consult
    to get information or advice from a person, book, etc. with special knowledge on a particular subject
  • fuel
    a substance that is burned to provide heat or power
  • production
    when you make or grow something
  • generator
    a machine that produces electricity
  • contest
    to say formally that something is wrong or unfair and try to have it changed
  • complex
    involving a lot of different but related parts
  • reservoir
    a place for storing liquid, especially a natural or artificial lake providing water for a city or other area
  • maintenance
    the work needed to keep a road, building, machine, etc. in good condition
  • dam
    a wall built across a river that stops the river's flow and collects the water, especially to make a reservoir that provides water for an area
  • pollution
    damage caused to water, air, etc. by harmful substances or waste
  • biofuel
    fuel produced from plant material
  • diesel
    fuel used in the engines of some vehicles, especially buses and lorries
  • environmentally friendly
    not harmful to the environment
  • hydroelectricity
    electricity produced by the force of fast moving water such as rivers or waterfalls
  • energy
    the power that comes from electricity, gas, etc.
  • turbine
    a type of machine through which liquid or gas flows and turns a special wheel with blades in order to produce power
  • shaft
    a rod forming part of a machine such as an engine, that turns in order to pass power on to the machine
  • carbon neutral
    not producing carbon emissions
  • cooperative
    a company that is owned and managed by the people who work in it
  • wind turbine
    a machine with long parts at the top that are turned by the wind, used to make electricity
  • generation
    the production of energy in a particular form
  • capacity
    the total amount that can be contained or produced
  • canola oil
    a type of oil made from a variety of rapeseed that can be used for cooking or as a biofuel
  • function
    the purpose of something or the particular responsibility of someone
  • source
    where something comes from
  • experimental
    relating to tests, especially scientific ones
  • solar power
    solar energy
  • energy-efficient
    using little electricity, gas, etc.
  • consumption
    the amount of something that someone uses, eats, or drinks
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