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Energy

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Energy Energy Presentation Transcript

  • THIS PRESENTATION IS ABOUT ENERGY AND ABOUT THE REASONS WHY WE NEED IT. IT SHOWS TWO GROUPS OF ENERGY, ECOLOGICAL SOURCES OF IT AND THE USE OF THEM.
  • WE USE ENERGY TO PRODUCE ELECTRICITY, IN TRANSPORT, TO HEAT THE HOUSES AND TO GIVE LIGHT.
  • THE SOURCES OF ENERGY ARE DIVIDED INTO TWO GROUPS: RENEWABLE (WIND ENERGY, WATER ENERGY, SOLAR ENERGY, GEOTHERMAL ENERGY AND BIOMASS) AND UNRENEWABLE (ENERGY FROM COAL, NATURAL GAS, OIL AND NUCLEAR ENERGY) .
  • Solar energy Wind energy
  • Water energy petroleum
  • IT IS BETTER TO USE ECOLOGICAL SOURCES OF ENERGY, LIKE: THE SUN, WIND, WATER OR EVEN PLANTS, INSTEAD OF NATURAL GAS, COAL AND OIL.
  • TODAY, IN WATER POWER PLANTS, MECHANICAL ENERGY IS TRANSFORMED INTO ELECTRIC ENERGY .
  • WIND ENERGY – GIANT WIND TURBINES PRODUCE ENERGY FROM WIND .
  • THE SUN – SOLAR PANELS PRODUCE ELECTRICITY FROM IT.
  •