WorksheetsEnergy Resources and Impacts
Total questions: 20
Worksheet time: 17mins
Name
Class
Date
1.
Approximately two-thirds of the fossil fuel energy we use is lost as waste heat, and the transfer of energy from fuels to electricity is about 35% efficient. This is primarily a consequence of
a)
the law of conservation of matter
b)
the first law of thermodynamics
c)
the second law of thermodynamics
d)
the Hubbert curve
2.
"Peak oil" is a current topic of global discussion and debate. This topic refers to
a)
the amount of remaining oil reserves as compared to nuclear fuels
b)
the amount of oil reserves that have already been consumed
c)
the point at which world oil production will reach a maximum, coinciding with the point at which we will run out of oil
d)
the point at which half the total known oil supply is used up
3.
Which of the following best describes U.S. energy consumption?
a)
Fossil fuels are declining, and renewables are increasing
b)
Most of the electricity generated in the United States comes from nuclear energy
c)
Biofuels are displacing hydroelectric power as the most important renewable energy resource
d)
Fossil fuels continue to be the major energy source for all sectors
4.
Nuclear energy's most serious environmental and health concerns focus on the unresolved issues surronding
a)
the results of a runaway chain reaction
b)
the habitat destruction involved in the extensive uranium mining process
c)
the short half-life of most of the radioactive isotopes
d)
the issue of permanent waste disposal
5.
Which of the following best demonstrate(s) the use of passive solar energy?
a)
south-facing windows with stone floors on the inside of the home
b)
a solar cooker
c)
a home with deciduous trees planted outside north-facing windows
d)
a home with evergreens planted outside south-facing windows
6.
Which of the following sources of energy cannot be connected to the sun's energy?
a)
biomass
b)
passive solar energy
c)
geothermal energy
d)
wind power
7.
For the United States, the primary fuel that we use for our energy is
a)
natural gas
b)
coal
c)
oil
d)
nuclear
8.
When we burn fossil fuels:
a)
we liberate carbon back into the carbon cycle, decreasing the amount available for plant growth
b)
the resulting carbonic acid leads to acid rain
c)
the greatest environmental impact is the impact on the ozone layer
d)
the greatest environmental impact is increased greenhouse gas
9.
Which of the following best describes U.S. energy use?
a)
Electricity generation is powered mainly by nuclear energy
b)
Electricity generation is powered mainly by coal
c)
Biofuels and biomass energy represent the least CO2 emissions of any U.S. fuel
d)
Transportation is the largest end use of energy in the United States
10.
Worldwide, what is the most widely used renewable energy resource?
a)
solar
b)
hydroelectric
c)
biomass
d)
wind
11.
Solar PV-generated electricity as a power source is generated by
a)
the sun's heat striking solar panels
b)
the orientation of the solar panels on a home's rooftop
c)
mirrors and lenses that focus the sun's light on a power tower
d)
the active solar process employed in the solar cookers
12.
The primary motivation to develop the new renewable energy sources comes from
a)
people who believe conservation is essential
b)
people who believe that human health is impacted by smog and pollution
c)
people who believe fossil fuels and their environmental impacts
d)
concerns over finite food supplies and the need to reverse the practice of growing food for biofuels
13.
In the assessment of energy resources, it is helpful to use a measure called EROI, which is
a)
energy returned minus energy invested.
b)
energy returned plus energy invested.
c)
amount of energy invested in extraction and processing minus money in sales.
d)
energy returned divided by energy invested
14.
Which of the following processes is not a part of the technology of "clean coal"?
a)
removing sulfur oxides from the emissions
b)
capturing and sequestering carbon emissions
c)
converting coal to syngas (natural gas)
d)
removing carbon content from coal before combustion
15.
Which of the following represents the correct ranking of the world's total primary energy sources from the greatest to the least used?
a)
fossil fuels, biomass, nuclear, hydroelectric, new renewables
b)
fossil fuels, biomass, hydroelectric, nuclear, new renewables
c)
fossil fuels, biomass, hydroelectric, new renewables, nuclear
d)
fossil fuels, nuclear, hydroelectric, biomass, new renewables
16.
Ultimately, all biofuels are ___, because they are the result of ___.
a)
geologic; sedimentation
b)
solar; photosynthesis
c)
inefficient; decomposition by micro-organisms
d)
synthetic; chemical interactions of hydrocarbons
17.
Currently the fastest-growing source of electricity generation using new renewable energy sources is
a)
passive solar
b)
wind
c)
hydroelectric power
d)
tidal energy
18.
Hydrogen fuel cell technology has great potential as a renewable and sustainable energy if
a)
the technology can be developed to be more efficient
b)
the infrastructure for development of facilities to transport, store, and provide the fuel are further developed
c)
the electrolysis of water can be accelerated
d)
the electrolysis of water can be reversed
19.
Coal continues to be the main fuel to generate electricity in the United States primarily because
a)
coal causes minimal air pollution when burned
b)
coal deposits in the United States lie very close to the surface and are easily extracted
c)
compared to natural gas and oil, coal contains very little sulfur, mercury, and arsenic
d)
the country has such large reserves of coal
20.
The practice whereby utilities are mandated to buy power from anyone who can generate power from renewable energy sources, passing the excess to the electric grid, is
a)
net metering
b)
a tax rebate system
c)
a feed-in tariff system
d)
a renewable energy-subsidy system
100 %
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