Question 1

All of the following are secondary energy sources except ____________.

Accepted Answer

A) coal 
B) electricity 
C) batteries 
D) gasoline 
A) coal 
B) electricity 
C) batteries 
D) gasoline A

Question 2

What does a hybrid car have that a traditional gasoline-powered vehicle lacks?

Accepted Answer

A) Brakes 
B) An electric motor 
C) An internal combustion engine 
D) A battery or batteries 
A) Brakes 
B) An electric motor 
C) An internal combustion engine 
D) A battery or batteries B

Question 3

What does a traditional gasoline-powered vehicle have that an electric car lacks?

Accepted Answer

A) Fuel rods 
B) Emissions 
C) An electric motor 
D) A battery or batteries 
A) Fuel rods 
B) Emissions 
C) An electric motor 
D) A battery or batteries B

Question 4

In 2011,fossil fuels met ____________of the global energy needs.

Accepted Answer

A) 35% 
B) 57% 
C) 70% 
D) 85% 
A) 35% 
B) 57% 
C) 70% 
D) 85%

Question 5

Which of the following energy sources is an example of a traditional biomass fuel?

Accepted Answer

A) Nuclear energy 
B) Cow poop 
C) Hydropower 
D) Coal 
A) Nuclear energy 
B) Cow poop 
C) Hydropower 
D) Coal

Question 6

Instead of only generating more electricity,rising energy demands may also be met by___________ .

Accepted Answer

A) increasing the efficiency of energy consumption 
B) switching from coal and natural gas to windmills and solar technologies 
C) switching from natural gas to coal 
D) using more nuclear power instead of fossil fuels 
A) increasing the efficiency of energy consumption 
B) switching from coal and natural gas to windmills and solar technologies 
C) switching from natural gas to coal 
D) using more nuclear power instead of fossil fuels

Question 7

What is the difference between a negawatt and a megawatt?

Accepted Answer

A) A negawatt is a megawatt of energy saved,while a megawatt is a million watts of energy used. 
B) A negawatt is any amount of energy saved,while a megawatt is a measure equal to a million watts of energy. 
C) A negawatt is the equivalent of 1 kilowatt of energy saved,while a megawatt is the equivalent of 1 kilowatt of energy used. 
D) A negawatt is one thousand watts,while a megawatt is one million watts. 
A) A negawatt is a megawatt of energy saved,while a megawatt is a million watts of energy used. 
B) A negawatt is any amount of energy saved,while a megawatt is a measure equal to a million watts of energy. 
C) A negawatt is the equivalent of 1 kilowatt of energy saved,while a megawatt is the equivalent of 1 kilowatt of energy used. 
D) A negawatt is one thousand watts,while a megawatt is one million watts.

Question 8

Which of the following best exemplifies a decentralized power generation system?

Accepted Answer

A) The Hoover Dam 
B) A solar panel on a house 
C) A windfarm 
D) A hot water heater 
A) The Hoover Dam 
B) A solar panel on a house 
C) A windfarm 
D) A hot water heater

Question 9

-According to the figure,__________.

Accepted Answer

A) the United States is the only country shown that uses more energy per capita than the global per capita average 
B) of the countries shown,China uses the least energy per capita despite having the highest energy intensity 
C) of the countries shown,the United States uses the most energy per capita despite having the lowest energy intensity 
D) China's high energy intensity reflects its use of highly efficient technologies 
A) the United States is the only country shown that uses more energy per capita than the global per capita average 
B) of the countries shown,China uses the least energy per capita despite having the highest energy intensity 
C) of the countries shown,the United States uses the most energy per capita despite having the lowest energy intensity 
D) China's high energy intensity reflects its use of highly efficient technologies

Question 10

Both a hydroelectric power plant and a fossil fuel power plant require _______ in order to generate electricity.

Accepted Answer

A) a water pump 
B) fuel 
C) steam 
D) a turbine 
A) a water pump 
B) fuel 
C) steam 
D) a turbine

Question 11

-Use the information in the figure to answer the following question: If you were to replace one 60-watt incandescent bulb in your home with a 6- 8 watt LED lightbulb,how much total money would be saved during the expected lifetime of the LED lightbulb?

Accepted Answer

A) $267 
B) $272 
C) $247.50 
D) None,because the LED bulb costs more than the incandescent bulb. 
A) $267 
B) $272 
C) $247.50 
D) None,because the LED bulb costs more than the incandescent bulb.

Question 12

Coal and ________are the energy sources that provide the least amount of energy for the transportation sector.

Accepted Answer

A) natural gas 
B) renewable energy sources 
C) oil 
D) nuclear 
A) natural gas 
B) renewable energy sources 
C) oil 
D) nuclear

Question 13

Which of the following events in the development of electricity infrastructure in the United States occurred most recently?

Accepted Answer

A) The first nuclear power plant was constructed. 
B) The first windfarm was constructed. 
C) The first coal-fired power plant was constructed. 
D) The first commercial solar voltaic system was developed. 
A) The first nuclear power plant was constructed. 
B) The first windfarm was constructed. 
C) The first coal-fired power plant was constructed. 
D) The first commercial solar voltaic system was developed.

Question 14

Which of the following would increase the U.S.demand for foreign oil?

Accepted Answer

A) Using natural gas to power personal and public transportation 
B) Increasing the fuel efficiency of our transportation systems 
C) Developing alternatives to fossil fuels 
D) Decreasing the price of a gallon of gas 
A) Using natural gas to power personal and public transportation 
B) Increasing the fuel efficiency of our transportation systems 
C) Developing alternatives to fossil fuels 
D) Decreasing the price of a gallon of gas

Question 15

Fractional distillation is used in processing____________ .

Accepted Answer

A) coal 
B) crude oil 
C) ethanol fuel 
D) natural gas 
A) coal 
B) crude oil 
C) ethanol fuel 
D) natural gas

Question 16

-As a source of energy,developed countries rely on_________ the most,while developing countries rely more heavily on_____________.

Accepted Answer

A) coal;oil and natural gas 
B) oil and natural gas;coal 
C) wood and other biofuels;fossil fuels 
D) fossil fuels;nuclear power 
A) coal;oil and natural gas 
B) oil and natural gas;coal 
C) wood and other biofuels;fossil fuels 
D) fossil fuels;nuclear power

Question 17

You are the chief executive officer CEO)of a utility company in Arizona that is considering whether to expand its electrical capacity to keep up with demand.You decide that it would be wise to delay expanding your electrical capacity for as long as possible by getting your customers to reduce their electrical use.Explain how your company would go about doing this.

Accepted Answer

My company would encourage customers to

Question 18

A pound of which of the following would have the highest energy content?

Accepted Answer

A) Gasoline 
B) Wood 
C) Lightbulbs 
D) Coal 
A) Gasoline 
B) Wood 
C) Lightbulbs 
D) Coal

Question 19

-Examine the changes in electrical demand in the United States.The daily drop in electrical consumption is most closely associated with_____ .

Accepted Answer

A) home heating and cooling systems 
B) daytime activities that consume little energy 
C) people sleeping 
D) people heading off to work 
A) home heating and cooling systems 
B) daytime activities that consume little energy 
C) people sleeping 
D) people heading off to work

Question 20

Which of the following would most reduce current U.S.reliance on foreign oil imports?

Accepted Answer

A) Turning computers and lights off when not in use 
B) Replacing any dishwasher or refrigerator more than 10 years old with new energy-efficient models 
C) Switching to energy-efficient lightbulbs 
D) Continuing to raise the fuel efficiency standards for all vehicles sold in the United States 
A) Turning computers and lights off when not in use 
B) Replacing any dishwasher or refrigerator more than 10 years old with new energy-efficient models 
C) Switching to energy-efficient lightbulbs 
D) Continuing to raise the fuel efficiency standards for all vehicles sold in the United States

All of the following are secondary energy sources except ____________.

What does a hybrid car have that a traditional gasoline-powered vehicle lacks?

What does a traditional gasoline-powered vehicle have that an electric car lacks?

In 2011,fossil fuels met ____________of the global energy needs.

Which of the following energy sources is an example of a traditional biomass fuel?

Instead of only generating more electricity,rising energy demands may also be met by___________ .

What is the difference between a negawatt and a megawatt?

Which of the following best exemplifies a decentralized power generation system?

-According to the figure,__________.

Both a hydroelectric power plant and a fossil fuel power plant require _______ in order to generate electricity.

-Use the information in the figure to answer the following question: If you were to replace one 60-watt incandescent bulb in your home with a 6- 8 watt LED lightbulb,how much total money would be saved during the expected lifetime of the LED lightbulb?

Coal and ________are the energy sources that provide the least amount of energy for the transportation sector.

Which of the following events in the development of electricity infrastructure in the United States occurred most recently?

Which of the following would increase the U.S.demand for foreign oil?

Fractional distillation is used in processing____________ .

-As a source of energy,developed countries rely on_ the most,while developing countries rely more heavily on_____.

A pound of which of the following would have the highest energy content?

-Examine the changes in electrical demand in the United States.The daily drop in electrical consumption is most closely associated with_____ .

Which of the following would most reduce current U.S.reliance on foreign oil imports?

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Exam 8: Freshwater

All of the following are secondary energy sources except ____________.

What does a hybrid car have that a traditional gasoline-powered vehicle lacks?

What does a traditional gasoline-powered vehicle have that an electric car lacks?

In 2011,fossil fuels met ____________of the global energy needs.

Which of the following energy sources is an example of a traditional biomass fuel?

Instead of only generating more electricity,rising energy demands may also be met by___________ .

What is the difference between a negawatt and a megawatt?

Which of the following best exemplifies a decentralized power generation system?

-According to the figure,__________.

Both a hydroelectric power plant and a fossil fuel power plant require _______ in order to generate electricity.

-Use the information in the figure to answer the following question: If you were to replace one 60-watt incandescent bulb in your home with a 6- 8 watt LED lightbulb,how much total money would be saved during the expected lifetime of the LED lightbulb?

Coal and ________are the energy sources that provide the least amount of energy for the transportation sector.

Which of the following events in the development of electricity infrastructure in the United States occurred most recently?

Which of the following would increase the U.S.demand for foreign oil?

Fractional distillation is used in processing____________ .

-As a source of energy,developed countries rely on_________ the most,while developing countries rely more heavily on_____________.

A pound of which of the following would have the highest energy content?

-Examine the changes in electrical demand in the United States.The daily drop in electrical consumption is most closely associated with_____ .

Which of the following would most reduce current U.S.reliance on foreign oil imports?

The Science of Sustainability

Environmental Policy

Economics and Values

Biodiversity and Evolution

Populations and Communities

Ecosystems and Biomes

Biogeochemical Cycles

Atmosphere and Air Pollution

Oceans

Climate

Human Populations

Land Use

Agriculture

Solid and Hazardous Waste

Human Health and the Environment

Energy Use

Nonrenewable Energy

Enewable Energy

Science Fundamentals

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-As a source of energy,developed countries rely on_ the most,while developing countries rely more heavily on_____.