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APES Unit 6 Review

Total questions: 100

Worksheet time: 2hrs 40mins

Name
Class
Date
1.

Which of the following is NOT considered to be a renewable energy source?

a)

wind

b)

solar

c)

nuclear

d)

biomass

2.
All of the following renewable resources are derived from the sun in some way EXCEPT
a)
biomass
b)
wind
c)
hydroelectric
d)
geothermal
3.

If a tractor trailer truck is 20% efficient, what happened to the other 80%

a)

energy is destroyed

b)

energy is lost as heat

c)

the 80% is still in the gas tank

d)

energy is converted into matter

4.

Which of the following energy sources is considered nonrenewable?

a)

petroleum

b)

solar

c)

geothermal

d)

tidal

e)

wind

5.

Calculate the cost of operating a heater of 1.75kw for 20 hours at rate of $0.13 per kwh?

a)

$6.75

b)

$4.55

c)

$53.43

d)

$45.53

6.
Most of the developing countries in the world depend on _______ for their main source of energy.
a)
renewable sources
b)
nuclear
c)
biomass (including wood, manure, etc)
d)
coal
7.
Which of the following DOES NOT use a turbine?
a)

Hydroelectric Dam

b)

Wind Power

c)

Solar Panel

d)

Nuclear Power Plant

8.
The world gets MOST of their energy through all of the following sources EXCEPT
a)
natural gas
b)
coal
c)
hydroelectric
d)
oil
9.

Which fuel contains the most SULFUR?

a)

wood

b)

oil

c)

natural gas

d)

coal

10.

Which of the following is the most valuable type of coal?

a)

peat

b)

bituminous

c)

anthracite

d)

lignite

11.
Put the items below in correct sequence for the generation of electricity using the wind
1 – generator converts mechanical energy into electrical energy
2 – wind turns the wind turbine blade
3 – the gear box transfers mechanical energy to the generator
4 – electricity is transferred to the grid
a)
1-2-3-4
b)
2-1-3-4
c)
2-3-1-4
d)
2-4-3-1
12.

Calculate the energy used by a coffee maker that has a power rating of 90 W and operated for 17 hours.

a)

1.53 kWh

b)

1,530 kWh

c)

900 kWh

d)

1200 kWh

13.

Cogeneration is

a)

the use of two or more energy sources to generate electricity.

b)

the use of two separate turbines to generate electricity.

c)

a method of electricity generation that includes renewable energy.

d)

the use of a fuel to generate steam heat and electricity.

14.

Traveling alone in a car uses 3.6 MJ of energy per kilometer. If four people go on a trip of 400 miles, what is the MJ used per person? (1 km = 0.6 miles)

a)

200 MJ

b)

320 MJ

c)

600 MJ

d)

860 MJ

15.

Which describes the conversion of energy in a hydroelectric dam as the water moves downstream?

a)

potential -> kinetic -> mechanical -> electrical

b)

kinetic -> potential -> mechanical -> electrical

c)

electrical -> potential -> mechanical -> kinetic

d)

mechanical -> kinetic -> electrical

16.

Fuel with the GREATEST net-energy potential

a)

petroleum

b)

nuclear energy

c)

natural gas

d)

coal

17.

Which location would be best for solar energy?

a)

Arizona

b)

Oklahoma

c)

Hawaii

d)

Colorado

18.

Which location would be best for geothermal energy?

a)

Arizona

b)

Oklahoma

c)

Hawaii

d)

Colorado

19.

Due to its geographic location on a divergent boundary, Iceland is able to utilize ___________ energy.

a)

Geothermal

b)

Hydroelectric

c)

Solar

d)

Wind

20.

Which country makes a decent amount of its energy using wind power?

a)

Denmark

b)

China

c)

USA

d)

Iceland

21.

What tends to increase as developing countries become more developed?

a)

Reliance on renewable energy

b)

Reliance on fossil fuels for energy

c)

Energy conservation efforts

d)

Investment in nuclear energy

22.

Peat is formed from the accumulation of what type of material?

a)

Volcanic ash

b)

Sedimentary rock

c)

Partially decomposed organic material

d)

Mineral deposits

23.

Which type of coal has the highest carbon content and fewest impurities?

a)

Lignite coal

b)

Bituminous coal

c)

Anthracite coal

d)

Peat

24.

What is the primary component of natural gas?

a)

Carbon dioxide

b)

Methane

c)

Butane

d)

Ethane

25.

Which fossil fuel is often considered the cleanest?

a)

Coal

b)

Oil

c)

Natural Gas

d)

Peat

26.

The following are advantages of which type of energy?


· Ideal for mobile combustion engines

· Quick ignition/ turn-off capability

· Cleaner-burning than coal

a)

Petroleum

b)

Coal

c)

Natural Gas

d)

Nuclear Energy

27.

The following are disadvantages of which type of energy?


· Significant refining required

· Potential for spills on wildlife habitats

· Significant dust and emissions during construction of rigs and refineries

· Human rights/ environmental justice issues in developing countries that export

Will decrease in availability greatly within 40 years

a)

Petroleum

b)

Coal

c)

Natural Gas

d)

Nuclear Energy

28.

The following are pollutant and greenhouse gas emissions of which type of energy?


· Highest emitter of CO2

· Sulfur

· Trace amounts of toxic metals such as mercury

a)

Petroleum

b)

Coal

c)

Natural Gas

d)

Nuclear Energy

29.

The following are disadvantages of which type of energy?


· Unpopular, generates protests

· Plants are $$$ to build because of legal challenges

· Potential for catastrophic meltdowns and accidents

· Possible terrorist targets

a)

Petroleum

b)

Coal

c)

Natural Gas

d)

Nuclear Energy

30.

The following are disadvantages of which type of energy?


· Risk of leaks/explosions

· 25x more effective as a greenhouse (warming) gas than CO2

· Low availability because pipelines are needed

a)

Petroleum

b)

Coal

c)

Natural Gas

d)

Nuclear Energy

31.

The following are advantages of which type of energy?


· Energy-dense and abundant—will last up to 200 years

· No refining needed

· Easy, safe to transport

· Economic backbone of many small towns

a)

Petroleum

b)

Coal

c)

Natural Gas

d)

Nuclear Energy

32.

The following are advantages of which type of energy?


· Cogeneration power plants can have efficiencies up to 60%

· Efficient for cooking, heating, etc.

· Fewer impurities than coal or oil

a)

Petroleum

b)

Coal

c)

Natural Gas

d)

Nuclear Energy

33.

Differences in __________ SEPARATE the various components of crude OIL.

a)

viscosity

b)

sulfur

c)

solubility

d)

boiling points

34.
The main advantage to using natural gas as a fuel or to power industrial plants is that
a)
natural gas is more abundant and cheaper to harvest/mine
b)
it burns cleaner and has less air pollutants
c)
natural gas is one of the most harmful fossil fuels to the environment
d)
it is better for the economy than coal or petroleum 
35.
All of the following would increase global greenhouse gas emissions EXCEPT
a)
increasing the number of cars
b)
use natural gas instead of hydroelectric 
c)
replace coal power plants with solar energy
d)
reduce the number of nuclear power plants
36.
Most oil in the US is used
a)
in power plants
b)
for transportation
c)
in cooking
d)
as supplements for human and animal health
37.
in most power plants what is the heat energy used for?
a)
to create steam which turns turbines
b)
to directly power the generator
c)
the heat is transmitted through the electrical grid into homes
d)
nuclear fission which then creates a chain reaction
38.
which fossil fuel energy source does the world (and US) have the largest supply of?
a)
natural gas
b)
coal
c)
petroleum
d)
crude oil
39.
The Alaska National Wildlife Refuge (ANWR) has made headlines because:
a)
it is the leading source of coal in North America
b)
of proposals to explore for oil there 
c)
it is the proposed site for disposal of high-level nuclear waste
d)
further oil migration there is blocked by a trap
40.

Formed when large quantities of dead organisms such as Zoo-plankton and Algae are buried under sedimentary layers and subjected to intense heat and pressure turning them into a liquid fossil fuel.

a)

Coal

b)

Oil / Petroleum

c)

Natural Gas

d)

Geothermal

e)

Biofuel

41.

What is the most widely used type of coal?

a)

peat

b)

lignite

c)

bituminous

d)

anthracite

42.

The Hubbert curve predicts that

a)

peak oil will occur once half of the supply is used up.

b)

finding additional reserves could greatly increase the time to peak oil.

c)

natural gas will be cheaper than oil by the early twenty-first century.

d)

the cost of oil is independent of the world’s oil supply.

43.

What is the technology used to extract natural gas from deep underground?

a)

Solar energy

b)

Hydraulic fracturing

c)

Nuclear fission

d)

Wind power

44.

These are the main environmental concerns surrounding hydraulic fracturing, EXCEPT:

a)

Large amounts of water consumption, and the use of chemicals.

b)

It will make petroleum so cheap that people drive more, releasing more carbon dioxide.

c)

Mercury is used in the fluid used to break up the shale rock. This can contaminate ground water.

d)

Tremors from the fracking process may create sinkholes and even cause small earthquakes.

45.

What is the primary process through which nuclear power is generated?

a)

Nuclear fusion

b)

Chemical reaction

c)

Nuclear fission

d)

Solar power conversion

46.

What is a long-term problem associated with uranium-235 used in nuclear power plants?

a)

Immediate explosion risk

b)

Air pollution

c)

Disposal of nuclear waste

d)

Overproduction of energy

47.
Barium-122 has a half-life of 2 minutes. A fresh sample weighing 80 g was obtained. If it takes 10 minutes to set up an experiment using barium-122, how much barium-122 will be left when the experiment begins?
a)
0.25g
b)
2.5g
c)
25g
d)
80g
48.
Nuclear energy generates ________ waste instead of _____________.
a)
radioactive, air pollutants
b)
air pollutants, ash
c)
CO2, uranium ore
d)
radioactive, uranium ore
49.

All of the following are sites where nuclear accidents have occurred EXCEPT

a)

Three Mile Island

b)

Chernobyl

c)

Fukushima

d)

Bhopal

50.
In nuclear power plants, the _________ are used to prevent a meltdown during nuclear fission.
a)
fuel rods
b)
control rods
c)
on site storage facilities 
d)
pellets of uranium
51.
Spent nuclear fuel (already used) is stored at -
a)
a landfill
b)
on site at the nuclear power plant
c)
a repository in Nevada
52.

Type of fuel source that causes DEFORESTATION

a)

Solar energy

b)

Nuclear fission

c)

Geothermal

d)

Biomass

53.
Which is NOT an example of biomass?
a)
wood
b)
crop leftovers (the part of the plant that isn't consumed)
c)
manure and/or trash
d)
petroleum
54.

Problems associated with the use of trees for biomass include all of the following except

a)

potential soil erosion

b)
potential deforestation
c)
burning fossilized carbon and releasing it into the atmosphere
d)
the loss of habitat for wildlife and some people
55.

What is a disadvantage of using ethanol as a fuel compared to gasoline?

a)

Ethanol produces more carbon dioxide

b)

Ethanol has a higher energy return on investment

c)

Ethanol introduces additional carbon into the atmosphere

d)

Ethanol has a low energy return on investment

56.

Carbon neutral means

a)

carbon output from modern carbon = carbon uptake from photosynthesis

b)

carbon output from fossilized carbon = carbon uptake from photosynthesis

c)

carbon output from modern carbon > carbon uptake from photosynthesis

d)

carbon output from fossilized carbon < carbon uptake from photosynthesis

57.

A home is built with clear glass panels that allow sunlight to pass through. This is an example of

a)

Active solar

b)

Passive solar

c)

Parabolic collector

d)

Photovoltaic Cells

58.

A home is fitted with pumps that pipe water to the roof of the home to be heated by the sun. This is an example of

a)

passive solar

b)

active solar

c)

parabolic collector

d)

photovoltaic cell

59.

Photovoltaic cells convert sunlight into ________ energy.

a)

Heat

b)

Kinetic

c)

Light

d)

Electrical

e)

Potential

60.

Which of the following 2 use PASSIVE solar energy?

a)

south-facing room with windows

b)

solar oven

c)

CST systems

d)

photovoltaic cells

61.
Passive solar design includes all of the following except
a)
large windows on the south side of the house
b)
floor and walls that will store heat in the winter
c)
overhang that blocks the sun in the summer, but allows it inside in the winter
d)
trees that block the sun for the entire year
62.
Which of the following is a disadvantage of solar energy?
a)
It can only be used effectively in certain regions and certain times of day
b)
It produces greenhouse gases during use
c)
It is a nonrenewable energy source
d)
It is inexpensive compared to other sources
63.

Which of the following affect the amount of solar energy available for use in a solar power plant?

a)

the time of day

b)

the season

c)

the latitude

d)

all of the above

64.

In the northern hemisphere, windows should be facing to the ______ to maximize passive solar energy potential.

a)

north

b)

south

c)

east

d)

west

65.

What is a drawback to hydroelectric power?

a)

fish being isolated on one side of the dam

b)

water in the reservoir becomes warm

c)

increases the dissolved oxygen

d)

increases the rate of nutrient flow downstream

66.
How does biomass reduce our carbon footprint by producing less CO2 than fossil fuels?
a)
Plants absorb the same amount of CO2 that is released when it is burned.
b)
Plants remove CO2 from the atmosphere and put it permanently into the ground.
c)
Biomass filters CO2 to make it more environmentally stable.
d)
Biomass doesn't release any CO2 when burned.
67.

What is an example of cogeneration?

a)

heat energy normally wasted is used to heat a building

b)
a power plant that gets energy from both nuclear and hydroelectric
c)
a type of wind turbine that can be powered by wind or steam
d)
harvesting natural gas and petroleum from the same field
68.

Economic benefits of building large dams include which of the following?

I. Storage of water for agriculture and domestic use

II. Controlling floods upstream

III. Production of renewable energy

a)

I only

b)

II only

c)

I and III only

d)

II and III only

e)

I, II, and III

69.

Of the three most pre-eminent nuclear disasters known around the world, what was the common theme across the failed systems?

a)

Failure of cooling systems

b)

Explosion from fission

c)

Earthquakes and tsunamis

d)

Deaths from radiation

70.
in most power plants what is the heat energy used for?
a)
to create steam which turns turbines
b)
to directly power the generator
c)
the heat is transmitted through the electrical grid into homes
d)
nuclear fission which then creates a chain reaction
71.

What is one of the main environmental impacts of hydroelectric power generation?

a)

It increases the amount of sunlight reaching the earth

b)

It reduces the flow of silt downstream

c)

It enhances the natural migration of fish

d)

It generates harmful greenhouse gases

72.

Besides generating electricity, name one other benefit of hydroelectric dams.

a)

Polluting natural habitats for wildlife

b)

Reducing water pollution

c)

Offering recreational opportunities

d)

Increasing fossil fuel consumption

73.

An advantage of hydroelectric power station.

a)

It produces thermal pollution

b)

Only a few dams have been built

c)

They produce no carbon dioxide when making electricity

d)

They are cheap to build

74.

Where does geothermal energy come from?

a)

wind

b)

river

c)

sunlight

d)

heat from the earth

75.

What is an advantage of geothermal energy?

a)

It produces carbon dioxide

b)

It is expensive

c)

It produces little to no pollution

d)

It runs on oil

76.

Source of energy that causes noise pollution and increase death in birds

a)

wind energy

b)

solar energy

c)

geothermal energy

d)

biomass energy

77.
The poster shown below advertises tours of a power plant.
This power plant produces electricity most likely by using-
a)
fossil fuels
b)
biofuels
c)
solar energy
d)
geothermal energy
78.

What is given off as waste in a hydrogen fueled car?

a)

H2

b)

O2

c)

H2O2

d)

H2O

79.
One gallon of fuel produces 5 lbs of CO2. Two cars drive 100 miles each. The first gets 10 MPG. The second gets 25 MPG. How much LESS CO2 is produced by the second car?
a)
10 pounds
b)
50 pounds
c)
30 pounds 
d)
15 pounds
80.

What is one challenge associated with hydrogen fuel cell technology?

a)

It is abundant in the atmosphere.

b)

It is less expensive than other technologies.

c)

It is more efficient than gasoline combustion engines.

d)

energy is still needed to create the hydrogen gas used in the fuel cell.

81.

True or False: Hydrogen gas is found in abundance in the atmosphere and is easily harvested to be used for hydrogen fuel.

a)

True

b)

False

82.

What is the main environmental benefit of using hydrogen fuel cells?

a)

They produce a large amount of carbon dioxide.

b)

They require a significant amount of energy to create hydrogen gas.

c)

They have low environmental impact and produce no carbon dioxide when hydrogen is produced from water.

d)

They are less efficient than gasoline combustion engines.

83.

Which best represents how solar energy is produced in photovoltaic cells?

a)

The sun's rays boil water producing steam and turning a turbine

b)

The Sun’s rays warm air that turns propeller blades attached to a rotor.

c)

Photons of light excite electrons that result in an electric current

d)

Photons of light activate a generator that converts chemical energy into mechanical energy.

84.

Scientists are looking for new locations to generate electricity using geothermal energy. Which of the following locations would be the best choice for a geothermal energy generating plant?

a)

Near tectonic plate boundaries

b)

Near fossil fuel resources

c)

Near the equator

d)

Near warm ocean currents

85.

A lower ER OEI is more desirable than a higher one.

a)

True

b)

False

86.

Incomplete combustion is the result of not enough

a)

hydrocarbon

b)

heat

c)

oxygen

d)

methane

87.

Which is the world's largest dam?

a)

Three Gorges Dam (China)

b)

Hoover Dam (Nevada)

c)

Grand Coulee Dam (Washington)

d)

Guri Dam (Venezuela)

88.

What are the byproducts of a hydrogen fuel cell reaction?

a)

Water & heat

b)

Oxygen & heat

c)

Oxygen & water

d)

Carbon monoxide

89.
Which is NOT a way to conserve energy? 
a)
Using a desktop computer rather than a laptop
b)

Consolidating errands to make fewer car tips 

c)
Replacing incandescent bulbs with compact fluorescent bulbs
d)
Lowering thermostats during cold months
90.
Governments can encourage energy conservation by
I. raising taxes on fossil fuel use.
II. offering tax credits to replace old appliances with new energy-efficient appliances.
III. investing in smart grid technology. 
a)
I, II, and III
b)
I, and II
c)
II,, and III
d)
I, and III
91.
Which would NOT save energy?
a)
Using Energy Star electronics and appliances 
b)
Using public transportation instead of private vehicles 
c)
Applying sustainable design principles to new construction
d)
Replacing fluorescent bulbs with incandescent bulbs
92.

Which of these is a disadvantage of cars driven by hydrogen-oxygen fuel cells rather than by petrol engines?

a)

They have fewer moving parts

b)

There are fewer suitable filling stations

c)

They emit little pollution

93.

What is electrolysis?

a)

An alternative process, an electric current is applied to water to “split” it into hydrogen and oxygen use

b)

The process between heat and electricity

c)

An element that is added to "split" hydrogen and oxygen

d)

A chemical reaction that occurs in the Earth's atmosphere which can be easily extracted

94.

How can wind turbines affect the environment?

a)

Birds and bats may be injured (and ecosystems are thus affected)

b)

They decrease cloud formation - which affects the water cycle.

c)

Turbines crash into trees around them which damages the turbine and tree.

d)

They have no effects on the environment.

95.

When building a home, which of the following should be incorporated to increase the energy efficiency of the home?

a)

incorporating lightweight walls and roofs to minimize weight load

b)

using incandescent bulbs to get the maximum brightness in the largest area

c)

incorporating programmable, adjustable thermostats for heating and cooling

d)

using gas-powered appliances only

96.

The benefits of using anthracite, a hard coal, versus other softer coal sources such as bituminous coal includes which of the following?

a)

it burns at a lower temperature

b)

it has a lower sulfur content

c)

it produces no ash when combusted

d)

it is the easiest type of coal to mine and transport

97.

When considering large-scale hydropower, which of the following has the LEAST environmental impact?

a)

flooding of upstream terrestrial and river habitat

b)

disrupting the life cycle of native fish

c)

decreasing the flow of silt and sand to natural downstream deposits

d)

providing a recreational area open only to swimming and fishing

98.

Carbon sequestration

a)

is a process to remove CO2 from the atmosphere

b)

is a method for preventing carbon emissions from landfills

c)

is a method for emissions reduction that focuses on improved efficiency

d)

is the release of carbon from soils due to warming

99.

Which statement is correct?

a)

all energy sources are ultimately derived from the sun

b)

many forms of renewable energy achieve 100% efficiency

c)

conversion of energy from one form to another is never 100% efficient

d)

the production of renewable energy does not release any greenhouse gases

100.

Oil and natural gas are _______ dense than rock.

a)

more

b)

less

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