APES Energy Review

Biomass energy ________.

• requires fossil fuel input to produce
• produces no greenhouse gases when burned
• can be created by microbial action or burned directly as wood or dung
• is a form of fossil fuel

Energy conservation in the United States ________.

• can be accomplished only through changes in environmental laws
• is unlikely to ever occur
• can be accomplished by changes in tax laws
• can be improved as individuals make conscious choices to reduce personal consumption

Deposits of natural gas are most numerous in ________.

• the Middle East
• Panama
• South America
• USA and Russia

The high sulfur content of the coal burned in South African power plants means that the ________.

• coal is very expensive, forcing most poor people to go without electricity
• coal is very inexpensive, leading to an improved economy
• power plants burn cleanly, with little pollution
• power plants contribute to acidic deposition

Coal burning produces more greenhouse gases per unit of energy than any other fuel

• True
• False

Which of the following energy sources is a non-solar related energy source?

• geothermal
• natural gas
• wind
• tar sands

Which of the following best explains the energy transformations that occur in a coal burning power plant (in the correct order)?

• chemical-heat-mechanical-electrical
• mechanical-electrical
• heat-chemical-electrical 
• chemical-mechanical-heat-electrical

Photovoltaic cells convert sunlight into:

• Heat
• Motion
• Light
• Electricty

Spent nuclear fuel (already used) is stored at -

• a landfill
• on site at the nuclear power plant
• a repository in Nevada

Which of the following correctly pairs a renewable energy source with it's pollution/emission?

• Coal: sulfur dioxide
• wind: carbon dioxide
• liquid biofuels: methane
• hydroelectricity: toxic metals