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TEST #17
Chapter 16 Renewable Energy
MULTIPLE CHOICE. Read all questions and options completely and carefully to choose the best response provided. Please
record your responses carefully onto your Scantron
1. Most societies around the world base their technology around electricity. Electricity may best be described as:
a. the flow of electrons through a conductive material.
b. the flow of protons through a conductive material.
c. the flow of neutrons through a conductive material.
d. the flow of protons and electrons through a conductive material.
2. For an energy source considered to be renewable, it must:
a. be affordable and convenient.
b. not be consumed or depleted with use.
c. do high quality work with relatively low quantities of the resource consumed.
d. Grow naturally on the earth.
e. All of the above.
3. Which of the following is an advantage of using fossil fuels as an energy resource?
a. It can be transported to locations where energy is needed.
b. It is relatively inexpensive
c. It is convenient because existing technology largely relies upon fossil fuels.
d. It promotes a complex economy.
e. All of the above are advantages
4. A drawback to many renewable energy resources is:
a. They are “low quality” energy sources, meaning that they must be collected and converted more steadily over
time (versus fossil fuels).
b. The same energy sources are not equally viable for all regions/places.
c. They generally have a high up-front purchase and installation cost.
d. It is not easy to transition cars and trucks to using truly renewable energy resources.
e. All of the above are disadvantages.
5. Which of the following is true about passive solar design?
a. It can be used to generate electricity in regions with at least 12 hours of sunlight per day.
b. The Victorians used passive solar design when they built wraparound porches and tall, pointy roofs.
c. The ancient Greeks and Chinese used passive solar techniques in much of their architecture.
d. Once built, a building requires considerable upkeep costs to maintain its passive solar system.
e. all but A are true.
6. Which of the following accurately describes the relationship between energy conservation and the second law of
thermodynamics?
I.
Heating a home with natural gas instead of electricity conserves energy
II.
Keeping tires inflated appropriatesly conserves energy
III.
Generating elecrcity using solar power instead of coal conserves energy
b. I only
c. I an II
d. I, II, and III
e. III only
f. II and III
7. Which of the following energy sources does not rely on converting kinetic energy to mechanical energy in a turbine to generate
electrical energy?
a. Micro hydroelectricity
b. Hydrogen Fuel Cell
c. Wave attenuators
d. Photovoltaic cells
e. All of the above
8. Which of the following energy resources is the LEAST renewable?
a. Nuclear
b. Fossil Fuels
c. Hydrogen
d. Biodiesel
e. Both C and D are correct
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TEST #17
Chapter 16 Renewable Energy
9.
Which of the following biofuel resources uses careful fermentation to mimic the process that formed fossil fuels over 200
million years ago?
I.
Wood pellets
II.
Gasification
III.
Ethanol
IV.
Biodiesel
a. I and II
b. II and III
c. II, III, IV
d. All
10. An energy source that relies on solar energy to function is:
a. wind
b. photovoltaic cells
Fig. 2
c. ocean thermal energy conversion
d. home design including south-facing windows to increase heat
absorption
e. all of the above
11. The device pictured to the right is a(n):
a. Windmill
b. Penstock
c. Wind energy converter
d. attenuator
e. airplane
12. Explain how the device in figure 2 creates energy by placing the following steps in
order
1. Blades spin the rotor.
2. The shaft spins gears inside the nacelle.
3. The magnet spins through a conductive
material
4. Electrons are liberated
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a. 1  2  3  4
b. 2  1  4  3
c. 4  3  2  1
d. 1  3  2  4
e. The correct sequence is not listed above.
13. Which of the following energy resources is least invasive (destructive) to the surrounding ecosystem?
a. a field of switch grass gown to make biofuels
b. a garbage dump practicing methane gas collection
c. a quarry being strip mined to access a coal seam reserve.
d. diversion of 2 gallons of water each hour from a stream to power a 10 kW microhydro generator
14. Limitations to using wind as a resource include:
a. The “NIMBY” attitude some people have towards the appearance of large wind turbines
b. The relatively simple economy, which only requires maintenance once the turbines are set up, creates
less jobs than fossil fuels.
c. Wind can be unreliable at times
d. Strong winds may cause costly damage to turbines
e. All of the above
15. This technology relies on photons exciting an electron flow in a silicon sheet to produce electricity.
a. passive solar energy
b. WECS – wind energy conversion systems
c. Photovoltaic cell
d. Attenuator device
e. A solar tower
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TEST #17
Chapter 16 Renewable Energy
Observe Fig. 3 and respond to the next two questions:
Fig. 3 Map of Geothermal Resources
16. According to the map of Geothermal Resources, how many states could rely on geothermal resources as an excellent source of
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energy (capable of producing
electricity)?
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a. all of them
b. about 30-35
c. About 10-15
d. about 5-10
e. none
17. States such as Florida and Michigan have the potential to rely on which geothermal resources?
a. Using geothermally warmed water for boiling a secondary fluid, such as ammonia
b. Running a fluid through a system of underground pipes to help heat and cool homes.
c. steam created directly in the earth to spin turbines
d. hot springs used for recreational purposes
e. all of the above
18. Observe the diagram in Figure 4. The purpose of a penstock in a dam is to:
Figure 4:
a. create a small reservoir behind
(upstream of) the dam.
b. to prevent water from
entering/passing a certain point within the
dam.
c. to create an artificial waterfall
within the dam.
d. to generate electricity.
e. All of the above are true.
19. Which of the following is a NOT tradeoff associated with dams?
a. It disrupts migration patterns of fish, and can create droughts “downstream”.
b. It creates a large area for recreation and boating.
c. It creates significant methane as submerged ecosystems decompose and life adapts.
d. It displaces a significant amount of wildlife when it is created.
e. All of the above are tradeoffs.
20. A major limitation to Ocean Thermal Energy Conversion, or OTEC, is:
a. it is only viable in tropical regions.
b. it requires salinization (the process of adding salt) of fresh water.
c. it requires large enough waves to move the pistons to generate electricity, but not so large that the
waves destroy the system.
d. It is relatively inexpensive compared to fossil fuels.
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TEST #17
Chapter 16 Renewable Energy
21. The basic principle behind Ocean Thermal Energy Conversion is that the temperature gradient between the oceans
surface and deep water is manipulated to generate electricity. In which order of events does this process work?
a.
b.
c.
d.
e.
3
2
1
3
1





1
4
2
2
4





4
3
3
4
2





2
1
4
1
3
1)
2)
3)
4)
under low pressure, the warm water rapidly boils and becomes steam
turbines spin magnets to generate electricity
cold water is pumped up to condense the warm water, creating fresh water
steam spins turbines
22. Which of the diagrams below represents a geothermal system that uses technology to produce electricity in regions
with moderate (warm) rock layers?
I.
II
a.
b.
c.
d.
e.
III.
I and II
I only
II only III
III only
Geothermal electricity can be produced anywhere on earth.
23. Limitations
a.
b.
c.
d.
to using hydrogen fuel cells as a viable resource include:
the fuel cells are extremely heavy and bulky.
Fueling stations must convert their equipment to contain and deliver hydrogen instead of gasoline.
The fuel cells are relatively expensive to buy and hard to find fuel for in an automobile.
More fossil fuels and energy are required to produce the high quality hydrogen to fuel a car than would
be burned in driving an internal combustion engine.
e. All of the above.
24. Mesita Colorado is a small rural community in the mountains of Colorado, with a mean income of approximately
$19,000. The community has been devastated by the high cost of fuel for their cars and heating their homes.
Which of the following would be the most viable energy resource for this community?
a. Damming a river to generate electricity
b. Installing photovoltaic cells on their homes to decrease their need to purchase electricity from “the grid”
c. Installing a microhdroelectricity station next to a river that runs next to their town.
d. Creating an ethanol refinery to create their own fuel.
25. The energy generator in figure 5 works by:
Fig. 5
a. waves spinning turbines to generate
electricity.
b. separating the charges in the ions of
saltwater
c. The ebb and flow of the tide spinning
turbines to generate electricity.
d. The rise and fall of waves moving pistons
and magnets to generate electricity
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APES
TEST #17
Chapter 16 Renewable Energy
26. A laptop uses 60 W of electricity when it is plugged in for an hour. If it is
plugged in for 2 hours, how many kWh of electricity did it use?
a. 120kWh
b. 12kWh
c. 1.2 kWh
d. 0.12kWh
e. 60kWh
Open-Ended
Propose three ways that a typical, freestanding house in West Orange can produce electricity in situ (on site).
Your proposal could be a written explanation or a labeled diagram. For each source that you propose,
anticipate and state a possible tradeoff that a homeowner might expect.
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TEST #17
Chapter 16 Renewable Energy
MATCHING. Not all terms will be used, but each term will be used only once.
27. Name the collection device pictured below (Diagram A ):
28. Name the type of electricity producing process pictured below ( Diagram B )
29. This form of biofuel replaces or dilutes petroleum-based methane.
Terms
a. Active Solar
b. Biodiesel
c. Biomass gasificiation
30. This energy resource relies on separating electrons in a cathode to generate electricity.
d. Dam
31. This energy resource requires careful architectural design, but requires minimal
conversion devices.
e. Ethanol
32. This energy resource relies upon harnessing the kinetic energy created when air
currents moving large masses of water at the air-sea interface.
g. Horizontal WECS
33. This low-cost energy resource is made from recycling lumber waste by tightly
compacting it.
i. Microhydro electricity
Diagram A:
Diagram B:
f. Geothermal
h. Hydrogen fuel cell
j. Nuclear Fusion
k. OTEC
l. Passive Solar
m. Tidal Power
n. Vertical WECS
o. Wave power
p. Wood pellets
Short Answer
41. Observe the diagram below. Identify and discuss four ways that this model represents the ideals of “closed loop
production.” (Be sure to include an explanation of how and why each one supports closed loop production.)
Extra Credit:
The Hindenburg disaster occurred in 1937 when the German rigid airship Hindenburg
caught fire and was destroyed within one minute, killing 35 people in the process. This
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TEST #17
Chapter 16 Renewable Energy
has served as a stigma against which alternative energy resource?
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TEST #17
Chapter 16 Renewable Energy
SHORT ANSWER.
34. Explain why biofuels are considered to be “carbon neutral”.
35. Compare the processes of nuclear fusion and fission.
36. Explain why hydrogen fuel cells are so strongly supported by the oil industry as a replacement for the internal
combustion engine.
44. Respond to the following about hybrid cars.
a. How does a hybrid automobile get its power?
b. Why is a hybrid still not “environmentally ideal”?
c.
Why is a plug-in hybrid a promising alternative to current hybrids?
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TEST #17
Chapter 16 Renewable Energy
HONORS ENVIRONMENTAL SCIENCE
Name: ________________________
Date: _____________ Per.: _____
TEST 10- Alternative Energy Resources
1. _____
29. _____
2. _____
30. _____
TEST VERSION: ______
3. _____
31. _____
NOTE CARD*?: ______
4. _____
32. _____
*Please turn in note card with test
5. _____
33. _____
6. _____
34. _____
7. _____
35. _____
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36. _____
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41.
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TEST #17
Chapter 16 Renewable Energy
Honors Environmental Science
TEST 10
Alternative and Renewable
Energy Resources
10
APES
TEST #17
Chapter 16 Renewable Energy
Difference in Emissions from B100 and B20 to
Conventional Diesel
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