• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Sources of energy

Extracts from this document...



Almost all of the energy we use comes from non-renewable sources. They are by far the quickest and easiest method of generating the large amounts of energy, which keep the planet's richer human communities moving. But they have two insoluble problems associated with them: the large amounts of pollution and the eventual drying up of supplies. In contrast renewable energy sources have huge, but mainly untapped, potential.


Non-Renewable Energy Sources

All non-renewable energy sources create pollution, in part due to their extraction from the crust of our planet but mainly from their burning. Only two types exist: the fossil fuels (coal, oil and natural gas) and nuclear fuels (uranium etc).

...read more.



Solar - collectors


Every day, some cloud ok


Wood burning


7 years or more


...read more.



To generate the same amount of electricity as a large modern thermal power station, you'd need: image01.png

150 square kilometres of solar panels

300 60-metre diameter wind turbines

100 kilometres of wave energy converters

...read more.

This student written piece of work is one of many that can be found in our GCSE Electricity and Magnetism section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related GCSE Electricity and Magnetism essays

  1. Marked by a teacher

    Investigation into Energy Released From Burning Various Alcohols.

    4 star(s)

    Methanol 187.95 186.55 1.40 23 50 27 9.07 207.36 186.55 185.14 1.41 22 49 27 9.07 205.89 207.29 539.5 38.42 185.14 183.80 1.34 22 48 26 8.74 208.62 Ethanol 180.83 179.30 1.53 22 62 40 13.44 404.08 179.30 177.74 1.56 22 62 40 13.44 396.31 400.19 1040 38.48 177.79 176.15

  2. Finding a material's specific heat capacity

    3450 20.4 13.0 4926 1935 2991 3480 20.3 13.0 4926 1935 2991 Turning points/anomalies: The first graph to follow shows how the temperature of the metal rises during and after heating and then begins to cool. This is because the heater is turned off and, as the copper's surroundings are colder, heat energy is dissipated.

  1. Identifying the science involved in nuclear fusion and is it the energy for the ...

    Once we know the amount of energy released in the fusion process (17.59 Mev), The amount of mass converted into energy can be calculated by the famous Einstein equation E=mc2 . 1eV = 1.6 � 10-19 Joules 1 MeV = 1.6 � 10-19 (� 106 )

  2. Investigating The Heat Of Combustion Of Alcohols.

    VOLUME OF WATER- To make sure that the volume of water is constant throughout the experiment, we will accurately measure out 50mm of water in the measuring cylinder making sure the same person measures out the water each time. LENGTH OF WICK- This is difficult to control since the volume

  1. Renewable and non-renewable fuels

    There are several factors I could use for this: 1) the earths biomass, especially wood 2) food supplies 3) solar power 4) hydro-electric 5) tidal 6) wave power 7) wind powder I have decided to use hydro electric power and wind power.

  2. Factors Affecting the Efficiency of a Wind Turbine

    The main problem incurred in this experiment is that it was impossible to raise the temperature of air above 48�C so the graph drawn is only correct up to 48�C. Accuracy can be improved by acquiring a hairdryer with a capability of heating air or generating winds of temperatures of up to 75�C or more.

  1. Fossil Fuels versus Renewable Energy Coal, Gas and Oil are fossil fuels, so called ...

    Alternative energy is a sustainable energy supply, which is cheap and renewable and they are environmentally friendly. There are lots of examples of alternative energy, including wind energy, nuclear power, biomass and hydroelectricity. I have chosen the best possible solutions for countries to revert to in the descriptions below.

  2. Investigating the heat energy given out by a mole of an alcohol when burning ...

    The Incomplete combustion of a fuel happens when there is not enough oxygen. It is dangerous because it creates carbon monoxide and carbon as products HYDROCARBON + OXYGEN = CARBON MONOXIDE + CARBON. The basic reaction can be explained by use of the following scientific facts and theories: When the

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work