Energy

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Across
  1. 5. officially closing and safely shutting down a power station
  2. 6. a group of wind turbines that produce electricity
  3. 9. electricity made from moving water
  4. 10. energy that comes from natural sources that do not run out
  5. 11. energy produced from nuclear reactions
  6. 13. not continuous; stopping and starting again
  7. 16. gases released into the air, especially CO₂
  8. 18. devices that turn sunlight into electricity
  9. 19. giving good results for the money spent
  10. 20. not adding extra carbon dioxide to the atmosphere
Down
  1. 1. long-term changes in the world's weather and temperatures
  2. 2. fuels like coal, oil and gas formed from ancient plants and animals
  3. 3. energy that comes from heat inside the Earth
  4. 4. the system that delivers electricity to homes and businesses
  5. 7. fuel made from plants or organic material
  6. 8. having a safe and reliable supply of energy
  7. 12. plant and animal material used to produce energy
  8. 14. the combination of different energy sources used in a country
  9. 15. the process of producing electricity
  10. 17. a black fossil fuel used to produce energy