Energy and the environment

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Across
  1. 2. uses the sea movement and tides to generate energy
  2. 6. a zero carbon energy source that produces electricity from the sun
  3. 8. a high carbon producing fossil fuel, traditional fuel, burnt to produce energy, will produce soot
  4. 9. a high carbon fuel that is flammable and used to power machinery, classed as a fuel oil.
  5. 10. a source of energy classed as low carbon created when it reacts with oxygen and water is a bi-product
  6. 11. a fuel oil classed as high carbon producing
  7. 12. a system that is low carbon producing and recovers heat from the air around us, the ground below us or the water in rivers and lakes
  8. 13. a low carbon fuel source made up of organic fuel, wood, crops etc, burnt in an efficient manner to heat homes
  9. 14. a high carbon fuel, sourced from the ground, burnt in central heating boilers for heat
  10. 15. a traditional high carbon fuel dug out from the glen and burnt
Down
  1. 1. uses the natural forces to turn a windmill which is zero carbon
  2. 3. a high carbon fuel gas that when pressured will turn to a liquid, when uncompressed will turn to gas, sourced from the ground and stored in bottles, propane or butane
  3. 4. energy that is generated from movement of water and is zero carbon producing
  4. 5. a small scale power station that is modern and highly efficient, it produces electricity and is classed as low carbon
  5. 6. this system is low carbon, it used the heat from the sun to heat water
  6. 7. an element produced when we burn anthing, refered to as our ______footprint
  7. 8. combined c----ng, he--, and po--r, the abbreviation of these words, a low carbon fuel.