Energy Sources

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Across
  1. 4. A naturally occurring hydrocarbon gas mixture consisting of methane.
  2. 9. A use of nuclear reactions to produce electricity.
  3. 10. The use of wind turbines
  4. 11. A plant or animal material used as fuel to produce electricity or heat.
  5. 12. A natural fuel such as coal or gas.
Down
  1. 1. A source of energy that is not depleted by use such as water, wind, or solar power.
  2. 2. A liquid mixture of hydrocarbons that is present in certain rock.
  3. 3. A natural resource that can't be readily replaced by natural means at a pace quick enough with consumption.
  4. 5. Energy Electric power generated from geothermal energy.
  5. 6. A black or brownish sedimentary rock.
  6. 7. The use of falling or fast running water to produce electricity.
  7. 8. generate electricity.