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What advantage does solar energy have over fossil fuels?
Solar energy emits no carbon dioxide emissions. It is free and renewable.
Give one advantage of using wind rather than coal as an energy resource?
One advantage of using wind energy over coal is that wind energy is a renewable resource, meaning it is sustainable and does not deplete over time. Additionally, wind energy production does not emit greenhouse gases, unlike coal power plants which are a major contributor to air pollution and climate change.
Explain how coal is a store of solar energy?
Coal is composed of old plant material that was chemically altered over the course of millions of years. The coal contains energy from sunlight that the plants captured and stored via photosynthesis.
How is energy conversions involved in the formation of coal?
Coal formation involves the conversion of solar energy into chemical energy through the process of photosynthesis in plants. Over millions of years, this stored chemical energy is further converted into coal through the accumulation and compression of plant matter in the Earth's crust, turning potential energy into stored energy in the form of coal.
What is an advantage of using coal power over solar power to generate electricity?
In some parts of the world, there is NO sun (to speak of) for as much as six months! In these areas, solar power is out of the question, unless there is a monstrously large storage system that can hold the energy during the six months of sunlight!
Which is an advantage of using coal over petroleum as a source of energy in the US?
Coal burns cleaner than petroleum. It is also abundant in the United States and all over the world, and petroleum is less so.
Give one advantage of coal rather than biomass as a fuel?
One advantage of coal over biomass as a fuel is its higher energy density. Coal contains more energy per unit of weight or volume compared to biomass, making it more efficient for generating electricity or heat.
Where does coal gets its energy from?
Coal gets its energy from the sun. Millions of years ago, plants and organic matter trapped solar energy through photosynthesis and converted it into chemical energy. Over time, this organic matter was compressed and heated, forming the coal we use as a fuel source today.
What is the relationship between coal and solar power?
They can both be used to generate electricity. Coal is solar energy trapped by plants millions of year ago. It contains toxic materials including mercury that is released into the atmosphere when it is burned. The carbon dioxide removed over millions of years is released quickly into the atmosphere. Solar power is clean but cannot be cheaply stored to provide energy on cloudy days and at night. It may be cheaper to combine solar and coal energy sources to overcome the limitations of both. For instance solar thermal energy can be used to turn coal into gas, which can be cleaned to remove toxic chemicals. The solar-gas can be stored to generate clean energy 24 hours a day. A further description of how this might be done, combining solar and coal energy is here: http://blog.gerbilnow.com/2011/11/energy-business-opportunity.html
Where does the energy of coal come from?
Coal energy comes from the sun. The coal is fossilized vegetation that grew in the sunshine eons ago. The vegetation took up the solar energy using photosynthesis and chlorophyll to produce green matter
Describe the energy conversions involved in the formation of coal?
Coal is formed from the decomposition of organic matter buried deep underground over millions of years. The process involves the conversion of solar energy into chemical energy through photosynthesis in plants, which is then transformed into potential energy as the organic matter is buried and compressed. Finally, when coal is burned, the potential energy is converted into thermal energy and released as heat.
How did the solar energy get stored in the fossil fuels?
When the trees and vegetation were growing they took in solar energy through photosynthesis. This energy was stored in the plants as hydrocarbons. It remains there as the plants, over millions of years, become fossil fuels (coal, oil and natural gas).
