jueves, 28 de abril de 2011

Sources of Energy

Solar cell: 
A device that generates an electric current from sunlight.

biomass conversion:
Getting energy from plant and animal materials by changing them into high quality fuels.

nuclear fission:
The splitting of a nucleus with a large mass into two nuclei with smaller masses.

chain reaction: 
A reaction that is kept going by products of the reaction.

nuclear fusion: 
The merging of nuclei with smaller masses into a nucleus with a larger mass.

hydroelectricity: 
The use of flowing water to generate electricity.

Thermal pollution: 
The excess heating of the environment.

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