ingles 2.pptx
Transcript of ingles 2.pptx
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Alumnos: Ricardo Donoso
Date: Friday 27th June, 2014
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Renewable energy:
Is found in nature in unlimited quantities. An energy source
is renewable if it originates in one of the natural cycles of
the earth
Are considered renewable energy :
Solar energy
Wind energy Geothermal energy
Tidal energy
Biomass energy
Hydropower
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The sources of non-renewable energy or conventional
energy:
Are the energy sources that are found in limited quantities,which, once consumed entirety cannot be replaced.
Are considered non-renewable energy:
Fossil fuels
Nuclear fuels
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Solar energy is obtained by capturing the light and heat emitted by the Sun
Renewable energy
SOLAR ENERGY
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Wind energy comes from wind, the kinetic energy generated by the effect
of air currents. Geothermal energy is obtained by exploiting existing heat
within the Earth similarly.
Renewable energy
WIND ENERGY
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Geothermal energy is obtained by exploiting existing heat within the Earth.
Renewable energy
GEOTHERMAL ENERGY
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Tidal energy is obtained taking advantage of the kinetic energy of the tides.
Renewable energy
TIDAL ENERGY
1. Siberia 2. Inchon, Korea 3.Hangchow, China 4. Hall's Point,
Australia 5. New Zealand 6.
Anchorage, Alaska 7. Panama 8.
Chile 9. Punta Loyola, Argentina
10. Brazil 11. Bay of Fundy 12.
Frobisher Bay, Canada 13.England 14. Antwerp, Belgium
15. LeHavre, France 16. Guinea
17. Gujarat, India 18. Burma 19.
Semzha River, Russia 20. Ro
Colorado, Mexico 21.
Madagascar.
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Biomass energy is defined as organic material used to generate energy
Renewable energy
BIOMASS ENERGY
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Accordingly Hydropower is obtained from the use of kinetic and potential energy
of the water flow.
Renewable energy
HYDROPOWER
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Solar energy:
Solar panels
Renewable energy
Example of use of renewable energy
Wind energy:
Wind turbine
Tidal energy:
Tidal power plant
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Geothermal energy:
Geothermal plant
Renewable energy
Example of use of renewable energy
Hidropower:
Hidrolectric plant reservoir
Biomass energy:
Biomass plant
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Non-renewable energy sources
Fossil fuels are coal, oil and natural gas. They come from remains of living
organisms buried millions of years ago.
FOSSIL FUELS
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Non-renewable energy sources
Nuclear fuel may be uranium, plutonium, and in general all the fissile chemical
elements suitable for operating reactors
NUCLEAR FUELS
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Non-renewable energy sources
Fossil fuels:
Thermal plant
Example of use of non renewable
Nuclear fuels:
Nuclear power station
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ANALYSIS AND CONCLUSIONS
Renewable energy is the cleanest because it takes the natural cycles of the planet and it
does not emit pollutants into the environment
Nonrenewable energy is the cheapest because it requires development of new technologies
Nonrenewable energy is the easiest to obtain because it is highly commercialized.
Renewable energy is the most enduring because it doesntdepend on limited resources
In conclusion we can say that today non-renewable energy is the most used because it is
cheaper than non-renewable, but when the technological development of renewable
energy reach maturity this could become cheaper than non-renewable.
Finally we can say that we prefer renewable energy because it respects the environment
and it promotes technological development.
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Thank you very much for yourattention