renewable energy

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Across
  1. 2. earlier award for successful completion of an ICCP examination
  2. 4. renewable energy from living/recently living plant and animal materials that can be used as fuel
  3. 6. large vane wheel rotated by wind to generate electricity
  4. 9. energy made by heat inside the earths crust
  5. 12. uses mechanical and electrical equipment to enhance the conversion of solar energy
  6. 13. central building heating and/or cooling system
  7. 14. specialized semiconductor diode that converts visible light into direct current
Down
  1. 1. energy that creates electiricity using flowing water
  2. 3. use of the suns energy for heating and cooling of living places
  3. 5. chemical decomposition produced by passing an electric current through a liquid or solution containing ions
  4. 7. _____ producing and electric current directly from a chemical reaction
  5. 8. area of land with a group of energy producing windmills or wind turbines
  6. 10. energy obtained from tides
  7. 11. derived from living matter