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Solar energy
 

Solar energy

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Short presentation on solar energy

Short presentation on solar energy

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    Solar energy Solar energy Presentation Transcript

    • SOLAR ENERGY
      • By Nacho Álvarez Fernández
      • 6th grade
    • Solar energy comes from radiant light and heat of the sun
      • People started to use solar panels in 1876.
      • Energy from the sun was used from the beginning of History to get warm.
      • Solar energy is transformed in electricity or heat.
      • Electricity is transported through wires.
      Solar energy converted to heat Solar energy converted to electricity
      • Things that work with solar energy: computers, multimedia players, lamps, chargers,etc…
      • The solar potential of Spain is the highest in Europe.
      • Spain is the fourth solar power manufaturer of solar energy in the world.
      • Solar energy has covered 2.8% of the electricity demand in 2009
      • Advantages
        • PV cells can be used almost anywhere and do not make any noise.
        • Solar energy does not produce carbon dioxide which can lead to problems like making countries hotter and drier.
        • Solar energy is renewable and the Sun’s heat and light is free.
      • Disadvantages
        • PV cells do not work so well when it is cloudy and do not work at night.
        • Some countries are not very sunny! Solar power works better in hot places.