Vocabulary #6 Sources of Energy

1-solar cell: a device that generates an electric current from sunlight.

2-biomass conversion: getting energy from plant and animal by changing them into high-quality fuels.

3-nuclear fission: the splinting of a nucleus with large mass into two nuclei with smaller masses.

4-chain reaction: a reaction that is kept going by products of the reaction.

5-nuclear fusion: the merging of nuclei with smaller masses into a nucleus with a larger mass.

6-hydroelectricity:the use of flowing water to generate electricity.

7-thermal pollution: the excess heating of the environment.