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Energy Sources

The energy that we use every day to live our lives comes from a variety of sources.
Across
A combustible black-brownish rock; the altered remains of prehistoric vegetation
Energy generated through the process of fission; requires Uranium & water
Crude oil found underground; an energy source formed from organic matter that has experienced great heat & pressure
The ability to cause change or do work
Energy generated by the flow of water that turns turbines to transform mechanical energy into electrical energy
Energy sources that are able to be replenished at a rate comparable to their consumption
Primarily made of methane, this fuel is found underground and must be liquefied before transport
Down
The place from which something comes or is obtained
Energy generated by air currents that turn turbines to transform mechanical energy into electrical energy
Energy generated through a photo-voltaic cell, which transforms light into electricity
Energy sources that are unable to be replenished in a short time-period
Energy generated by the heat in the Earth’s core
Recently dead or decayed plant or microbial material that is burned as a fuel