Question: What is one of the drawbacks to the extensive use of solar energy?

Answer: Necessary equipment and installation are expensive

Question: One problem with wind energy as a major source of electricity is

Answer: the expense of large tracts of land in populated areas

Question: A family of four lives in a three bedroom house and uses an average of 900k

Answer: 19.4

Question: photovoltaic cell

Answer: System of capturing energy from sunlight and converting it directly into electricity

Question: Potentially renewable

Answer: energy source that can be regenerated indefinitely as long as it is not over harvested ex: wood

Question: Renewable

Answer: In energy management, an energy source that is either potentially renewable or nondepletable

Question: Siltation

Answer: accumulation of sediments, primarily silt, on the bottom of a reservoir

Question: Smart grid

Answer: Efficient, Self-Regulating electricity distribution network that accepts any source of electricity and distributes it automatically to end users

Question: A public health issue related to the use of nuclear energy is

Answer: Thyroid cancer

Question: The order of grades of coal from lowest energy content to highest energy content is

Answer: lignite, sub-bituminous, bituminous, anthracite