Many experts define renewable energy as something that occurs naturally and widely. The sun is considered to be one of the best sources of this kind of energy amidst biomass, wind power and others. Many renewable power sources depend on nuclear which in turn mean that the nuclear power comes from our sun. The sun produces both light and heat energy with huge reactions.
Gasoline and diesel belong to the non-renewable type of energy. Simply put, these are resources which cannot be readily replenished, or resources which have a limited supply. The main sources of energy in the world today are coal, oil and natural gas which are called fossil fuels. Unfortunately, fossils fuels are non-renewable. The extraction of fossil fuels from the earth turns out to be more difficult since they are becoming scarcer yet the demand is only becoming more urgent since these fossil fuels are used in nearly all industries from the largest to the smallest.
Explain to them how renewable energy comes from natural forces. It is different from fossil fuels as it does not make greenhouse gases or other pollutants. You can further explain how the mass production of electricity using renewable energy sources has only recently become more popular. Some of the reasons why it’s becoming more popular include: climate change caused by pollution and fossil fuels are all being used up and becoming more expensive.
A great idea is to teach kids about energy efficiency. Have them make a list of all the powered devices they use for a day such as TV, computer, lights, etc. and for how long, and if possible the wattage of each device. If they can’t get the wattage, you can look up the average wattage for each device for demonstration purposes.
Another study was one from the Department of Chemical and Environment Engineering at the University of California, Riverside. The process they have developed was one which combined excess glycerin and excess biomass from biodiesel production to produce flammable pellets for use as an alternative to coal.
A study from the Rice University explored the potential of fermenting glycerol to produce ethanol. Since for each gallon of biodiesel produces approximately 0.75 lb of glycerol, this would be a very practical way to produce energy. The use of microorganisms in the fermentation is the unique feature of this research. The Klebsiella and Citrobacter are glycerol-fermenting species of bacteria while E. coli synthesize glycerol through a respiratory pathway.
Resource Author Francisco Rodriguez H.
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