Black coal energy

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Across
  1. 4. A station which generates electricity?
  2. 7. An era 250 - 200 million years ago?
  3. 10. _______ mostly contains silica.
  4. 13. coal used in the production of steel?
  5. 15. The first element on the periodic table?
  6. 16. Coal used in the production of electricity?
Down
  1. 1. 201.3 -0.6 million years ago?
  2. 2. A unit of measurement used to measure electricity?
  3. 3. A unit of measurement used to measure energy
  4. 5. A form of energy resulting from the existence of charged particles either statically s an accumulation of charge or dynamically as a current?
  5. 6. A substance formed in the geological past from the remains of living organisms?
  6. 8. A element on the periodic table symbolised as C?
  7. 9. An era 65.5 million years ago?
  8. 11. A system using which electricity is distributed?
  9. 12. A fossil fuel with a shiny lustre and a black colour?
  10. 14. An era 250 million years ago?