Question 1

A criticism of wind turbine technology is that ____________________.

Accepted Answer

A)  its electricity is not useful by the consumer
B)  its use is not sustainable
C)  they are unsightly to look at
D)  they are unable to produce electricity at night
E)  All of these answers are correct.

Question 2

Science Literacy Use Infographic 2 to answer the next five questions. 
-What is the order of energy production by nonrenewable sources from LOWEST to Highest amount?

Accepted Answer

A)  coal,natural gas,nuclear,oil
B)  natural gas,coal,nuclear,oil
C)  oil,nuclear,natural gas,coal
D)  coal,nuclear,natural gas,oil

Question 3

Why didn't Samsø choose to rely on electric or hydrogen-powered automobiles?

Accepted Answer

A)  Electricity was too expensive.
B)  The island is so large that the cars would run out of charge or fuel easily.
C)  The technologies were too expensive and inefficient to be feasible.
D)  The technology did not exist when they were proposing their plan.
E)  No one drives cars on the island; it is too small.

Question 4

How do run-of-the-river hydroelectric systems differ from giant dams?

Accepted Answer

A)  They don't block all of the water flowing down a channel and direct only some of it through a turbine.
B)  They literally "run" the river and take over the entire ecosystem.
C)  They flood an area to create a reservoir.
D)  They do not differ; they work the same way.
E)  They are built close to shorelines,whereas giant dams can be built only farther inland.

Question 5

In the United States,we rely on fossil fuels for _____ of our total energy.

Accepted Answer

A)  50%
B)  60%
C)  70%
D)  80%
E)  90%

Question 6

Refer to Infographic 7.What does "payback time" mean in terms of conservation of energy?

Accepted Answer

A)  how long it takes to pay for an appliance or new technology at today's interest rates
B)  how long it takes for the savings to equal the original cost of the technology
C)  how long it takes to find investors for the new technology
D)  the amount of money required for the development of the technology
E)  the amount of time before the manufacturer starts to make a profit

Question 7

Which of the following are involved in wind turbine technology?

Accepted Answer

A)  placing long blades at a height that catches the wind
B)  designing wind blades to allow for maximum lift for rotation
C)  internal gearing to convert the blade rotation into the turning of a generator
D)  a spinning generator that produces an electric current
E)  All of these answers are correct.

Question 8

What do energy advisors mean by the phrase "the greenest kilowatt is the one you never use"?

Accepted Answer

They are referring to the fact that cons...

Question 9

Has Samsø become completely independent of fossil fuels,and if not,what is the country doing to accomplish this goal?

Accepted Answer

No,Samsø still uses fossil fue...

Question 10

How is electricity produced in a dry steam geothermal power plant?

Accepted Answer

In a dry steam geothermal power plant,wa...

Question 11

In your presentation,you tell the president that the EPA considers a particular type of energy to be the most efficient at heating and cooling,which would make what a good choice for your school?

Accepted Answer

A)  hydroelectric
B)  solar
C)  biomass
D)  geothermal

Question 12

Science Literacy Use Infographic 2 to answer the next five questions. 
-In 2016,what was the renewable energy source producing the most electricity?

Accepted Answer

A)  wind
B)  solar
C)  biomass
D)  geothermal
E)  hydroelectric

Question 13

A sustainable energy source has which of the following characteristics?

Accepted Answer

A)  It is renewable.
B)  It has a low environmental footprint.
C)  It is affordable to the consumer.
D)  All of these answers are correct.
E)  None of these answers is correct.

Question 14

Which of the following descriptions would you use for sustainable energy?

Accepted Answer

A)  energy from sources that are replenished over short time scales
B)  energy from sources that have a low environmental impact
C)  energy from sources that are replenished over long time scales
D)  energy from sources that are quickly used

Question 15

What are the advantages and disadvantages to using straw to heat homes versus other more conventional heating fuels?

Accepted Answer

Straw is a renewable resource.It can be ...

Question 16

________________ energy is the heat stored underground,contained in either rocks or fluids.

Accepted Answer

A)  Wind
B)  Hydroelectric
C)  Biomass
D)  Geothermal
E)  Solar

Question 17

Switching from incandescent bulbs to compact fluorescents (CFL) provides a twofold benefit during the summer.Why?

Accepted Answer

A)  CFL bulbs use less energy.
B)  Incandescent bulbs produce excess heat.
C)  CFL bulbs produce excess heat.
D)  Both CFL bulbs use less energy and incandescent bulbs product excess heat.
E)  Both incandescent bulbs and CFL bulbs produce excess heat.

Question 18

What factors make wind energy imperfect as an energy source?

Accepted Answer

A)  Wind is intermittent.
B)  Wind turbines are expensive to build.
C)  Wind turbines can create noise.
D)  Some people think turbines are an eyesore.
E)  All of these answers are correct.

Question 19

Science Literacy Use Infographic 2 to answer the next five questions. 
-Which renewable energy source is projected to produce the most energy in 2040?

Accepted Answer

A)  wind
B)  solar
C)  biomass
D)  geothermal
E)  hydroelectric

Question 20

What is the "take-home message" Samsø is sending to other communities?

Accepted Answer

It is possible to be a greener and clean...

Exam 31: Sun, Wind, Water, and Earth Energy Fueled by the Sun

What do energy advisors mean by the phrase "the greenest kilowatt is the one you never use"?

Correct AnswerverifiedThey are referring to the fact that cons...View AnswerShow Answer

Switching from incandescent bulbs to compact fluorescents (CFL) provides a twofold benefit during the summer.Why?

Correct AnswerverifiedShow Answer

What are the advantages and disadvantages to using straw to heat homes versus other more conventional heating fuels?

Correct AnswerverifiedStraw is a renewable resource.It can be ...View AnswerShow Answer

How do run-of-the-river hydroelectric systems differ from giant dams?

Correct AnswerverifiedShow Answer

Refer to Infographic 7.What does "payback time" mean in terms of conservation of energy?

Correct AnswerverifiedShow Answer

A sustainable energy source has which of the following characteristics?

Correct AnswerverifiedShow Answer

How is electricity produced in a dry steam geothermal power plant?

Correct AnswerverifiedIn a dry steam geothermal power plant,wa...View AnswerShow Answer

Which of the following are involved in wind turbine technology?

Correct AnswerverifiedShow Answer

A criticism of wind turbine technology is that ____________________.

Correct AnswerverifiedShow Answer

What factors make wind energy imperfect as an energy source?

Correct AnswerverifiedShow Answer

Has Samsø become completely independent of fossil fuels,and if not,what is the country doing to accomplish this goal?

Correct AnswerverifiedNo,Samsø still uses fossil fue...View AnswerShow Answer

Science Literacy Use Infographic 2 to answer the next five questions. -Which renewable energy source is projected to produce the most energy in 2040?

Correct AnswerverifiedShow Answer

________________ energy is the heat stored underground,contained in either rocks or fluids.

Correct AnswerverifiedShow Answer

In the United States,we rely on fossil fuels for _____ of our total energy.

Correct AnswerverifiedShow Answer

Why didn't Samsø choose to rely on electric or hydrogen-powered automobiles?

Correct AnswerverifiedShow Answer

Which of the following descriptions would you use for sustainable energy?

Correct AnswerverifiedShow Answer

In your presentation,you tell the president that the EPA considers a particular type of energy to be the most efficient at heating and cooling,which would make what a good choice for your school?

Correct AnswerverifiedShow Answer

What is the "take-home message" Samsø is sending to other communities?

Correct AnswerverifiedIt is possible to be a greener and clean...View AnswerShow Answer

Science Literacy Use Infographic 2 to answer the next five questions. -In 2016,what was the renewable energy source producing the most electricity?

Correct AnswerverifiedShow Answer

Science Literacy Use Infographic 2 to answer the next five questions. -What is the order of energy production by nonrenewable sources from LOWEST to Highest amount?

Correct AnswerverifiedShow Answer

Correct Answer
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They are referring to the fact that cons...
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Straw is a renewable resource.It can be ...
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In a dry steam geothermal power plant,wa...
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No,Samsø still uses fossil fue...
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Correct Answer
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Correct Answer
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It is possible to be a greener and clean...
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Correct Answer
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