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Energy Sources

Author: science
Across
Liquid taken from petroleum
Uneven air pressure used to turn turbines
Liquid mixture of hydrocarbons
Internal heat from the earth
A natural fuel
Bottled fuel
Dense metal used in nuclear reactors
Energy released during fission
Energy from the sun
Down
Blackened rock
Matter used as fuel to generate electricity
Power generated from water
Flammable gas made up of methane
Energy from charged electrons
Ionized gas with positive ions and free electrons