energy sources

topic 7 - energy resources sources of energy sources of energy nature energy is movement or the possibility of creating movement: exists as potential (stored) and kinetic (used) forms. conversion of potential to kinetic. movement states: ordered (mechanical energy) or disordered (thermal energy). temperature can be perceived as a level of disordered energy. major tendency is to move from order to disorder (entropy). importance human activities are dependant on the usage of several forms and sources of energy. energy demands: increased with economic development. the world’s power consumption is about 12 trillion watts a year, with 85% of it from fossil fuels. 1 2 sources of energy 1 chemical fossil fuels (combustion) nuclear uranium (fission of atoms) energy non-renewable renewable …

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