how can we save energy? - by raluca andronoiu
DESCRIPTION
PowerPoint presentation made by the Romanian student Raluca Andronoiu on ways of saving energy.TRANSCRIPT
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“Mission into the Future – A Quest for Sustainability”
How Can We Save Energy?
• Made by Raluca Andronoiu• 8th grade• Scoala Gimnaziala Magura
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Earth has many resources that we use and need to save.
Earth energy is useful but it does not last forever.
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This energy has to be protected.
Energy is the ability to do work.
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Types of energy
• Solar energy
• Wind energy
• Hydroelectric
• Geothermal energy
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Solar energy
Solar plants are designed to make use of the
sun's energy.
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Some people are already using solar energy on its own initiative.
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Wind power
Wind turbines producing electricity from wind energy. Largest wind farm in the world was opened in the UK and has
100 wind turbines, enough electricity to power a city of 200,000 inhabitants.
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Hydroelectric energy
Hydropower plants are mechanisms that use water power to produce electricity.
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Geothermal energy
There are three types of geothermal power plants are used to date the globe to transform power into electricity geothermal water: dry, flash and binary fluid depending by state: vapor or liquid, or by temperature.
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Using central heating people can use and save energy and resources at the same time. But not in all countries there is a concern for saving energy.
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Some energy saving methods:
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Use fluorescent bulbs, which use much less energy to operate and are more durable than incandescent.
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Choose your modern electronics, more efficient, such as LCD monitors instead of CRT or change
desktop system with laptop
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In the kitchen, if you have to choose between an electric stove or microwave , choose the last one,
because it uses a third and half the energy compared with electric stove.
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Unplug all electronic devices and appliances, when not in use, because even if they are not running, they consume energy while
stand set.
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Use tumble dryers only if it is absolutely necessary. These use up a lot of energy . If, however, you are
forced to do it, make sure the filter is clean, because air can circulate more effectively. Of course, dry clothes
outside whenever you can.
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Use air conditioners only if absolutely necessary. Try to keep doors and windows closed during the day and cover them with blinds or finally curtains to block sunlight.
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Outside your home install a motion sensor that illuminates light only when it detects motion.
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You will save a lot of money installing efficient windows that capture the sun's heat in winter and
releases it in summer.
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Today, research focuses on converting biomass into alcohol, which could serve as fuel to supplement or even replace gasoline and diesel. Other liquid energy from biomass such as vegetable oils.
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