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Unit 6 Review

Total questions: 124

Worksheet time: 1hrs 13mins

Name
Class
Date
1.

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

2.

What is a drawback of using ethanol as a fuel alternative to gasoline?

a)

it is produced from a food item

b)

produces more pollution than gas

c)

nonrenewable and comes from the ground

d)

burns worse than gasoline

3.

All of the following are renewable energy sources EXCEPT

a)

Wind

b)

Solar

c)

Nuclear

d)

Biomass

4.
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
5.

Which of the following is a drawback to wind energy? (Select all that apply)

a)

migration of birds being interrupted

b)

noise

c)

disrupts the landscape

d)

not available in all locations

6.

Natural gas is mostly made of which gas?

a)

oxygen

b)

methane

c)

hydrogen

d)

carbon dioxide

7.

Identify a method that can be used for both oil and natural gas extraction.

a)

mountain top removal

b)

strip mining

c)

hydraulic fracturing

d)

subsurface mining

8.

Identify the major concerns with hydrologic fracturing (fracking). Check all that apply

a)

groundwater contamination

b)

release of volatile organic compounds

c)

high water consumption

d)

release of methane

9.

Which emissions from coal and oil can lead to acid rain?

a)

carbon dioxide and water vapor

b)

sulfur dioxide and nitrogen oxides

c)

nitrogen oxides and carbon dioxide

d)

particulates and carbon dioxide

10.
All of the following renewable resources are derived from the sun in some way EXCEPT
a)
biomass
b)
wind
c)
hydroelectric
d)
geothermal
11.
If Canada has a population of 35 million people and the annual consumption of petroleum in Canada is 12 barrels per capita, the total annual consumption is closest to 
a)
420 million
b)
420 billion
c)
5.4 billion
d)
540 million
12.
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
13.
The major downside to hydraulic fracturing (fracking) is that
a)
the empty spaces left behind can result in earthquakes or buildings collapsing
b)
the equipment that is used is very cheap and often falls apart after a single use
c)
the fracking chemicals could get into aquifers and groundwater
d)
all of these 
14.
Why don't we use vegetable oils or other biofuels for our transportation needs
a)
would require too much land to produce enough to meet demand
b)
the viscosity isn't appropriate for current engines
c)
they build up in engines long term and cause problems
d)
all of these
15.
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
16.
Nuclear energy generates ________ waste instead of _____________.
a)
radioactive, air pollutants
b)
air pollutants, ash
c)
CO2, uranium ore
d)
radioactive, uranium ore
17.

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

a)

H2

b)

O2

c)

H2O2

d)

H2O

18.
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.
19.
Which of the following energy sources has the lowest negative environmental impacts?
a)
Biomass
b)
Nuclear
c)
Natural Gas
d)
Solar
20.
Heating and cooling buildings by exchange with shallow groundwater systems is considered a form of ___ energy.  
a)
geothermal
b)
solar
c)
kinetic
d)
potential
21.
What is and example of cogeneration?
a)
heat energy normally wasted is used to power a turbine
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
22.
Which conventional fossil fuel resource is in largest supply worldwide?
a)
Biomass
b)
Natural gas
c)
Uranium
d)
Oil
e)
Coal
23.

For the diagram below, assume fracking has not been used with the oil and gas well. Which rock layer must be porous and have enough permeability for fluid to move through the layer?

a)

A

b)

B

c)

C

d)

D

24.

Which of the following is a negative consequence associated with photovoltaic solar cells?

a)

Photovoltaic solar cells increase the reliance on transport of fuels long distances from energy sources to homeowners

b)

Smog and ground-level ozone can be created from pollutants released from photovoltaic solar cells during electricity generation

c)

The manufacture of photovoltaic solar cells involves toxic metals that can be released into the environment

d)

The installation of photovoltaic solar cells on houses and other buildings can result in the release of chemicals that destroy stratospheric ozone

25.

Many environmentalists consider Egypt's Aswan High dam on the Nile River to be an ecological disaster. Which of the following is the best evidence to support this viewpoint?

a)

Creation of the dam flooded important archaeological sites

b)

Sardine populations near the Nile delta increased exponentially as a result of decreased annual rates of water flow

c)

The Aswan High Dam supplies one-third of the electrical power used in Egypt

d)

Most of the nutrient-rich silt that the Nile annually deposited downstream is now deposited behind the dam

26.

What percent of energy consumption is made of renewable energy?

a)

92%

b)

50%

c)

20%

d)

8%

27.

Which type of renewable energy is pictured?

a)

photovoltaic cells

b)

parabolic solar collection

c)

hydroelectric

d)

geothermal

28.

Which of the following is not a drawback of solar energy?

a)

sunlight does not have energy

b)

cost

c)

sun is not always out

d)

solar energy is diffuse and hard to collect

29.

Which of the following is a drawback to wind energy? (Select all that apply)

a)

migration of birds being interrupted

b)

noise

c)

disrupts the landscape

d)

not available in all locations

30.

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

31.

Which location would be best for solar energy?

a)

Arizona

b)

Oklahoma

c)

Hawaii

d)

Colorado

32.

Which location would be best for geothermal energy?

a)

Arizona

b)

Oklahoma

c)

Hawaii

d)

Colorado

33.

Which location would be best for wind energy?

a)

Arizona

b)

Oklahoma

c)

Hawaii

d)

Colorado

34.

Which renewable energy does not require spinning a turbine?

a)

hydroelectric

b)

wind

c)

tidal

d)

photovoltaic cells

35.

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

36.

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

a)

H2

b)

O2

c)

H2O2

d)

H2O

37.

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

38.

Which of the following is not a biofuel or a biomass?

a)

wood

b)

ethanol from corn

c)

dung

d)

methane

39.

Fuel cells that use a chemical reaction to generate electricity are using

a)

hydrogen gas

b)

methane gas

c)

water

d)

oil

40.

What is a drawback of using ethanol as a fuel alternative to gasoline?

a)

it is produced from a food item

b)

produces more pollution than gas

c)

nonrenewable and comes from the ground

d)

burns worse than gasoline

41.

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

42.

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

43.

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

44.

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

45.

The following are advantages of which type of energy?


· Emits no CO2

· Offers independence from imported oil

· High energy density, ample supply

a)

Petroleum

b)

Coal

c)

Natural Gas

d)

Nuclear Energy

46.

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

47.

The following are disadvantages of which type of energy?


· Mining alters landscapes and endangers humans

· Plants are slow to reach full operating capacity

· Large contributor to acid rain

a)

Petroleum

b)

Coal

c)

Natural Gas

d)

Nuclear Energy

48.

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

49.

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

50.

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


· Second highest emitter of CO2

· Hydrocarbons

· Hydrogen sulfide

a)

Petroleum

b)

Coal

c)

Natural Gas

d)

Nuclear Energy

51.

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

52.

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


· Methane (CH4)

· Hydrocarbons

· Hydrogen sulfide

a)

Petroleum

b)

Coal

c)

Natural Gas

d)

Nuclear Energy

53.

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


· Radioactive waste

· Emissions from uranium mining

a)

Petroleum

b)

Coal

c)

Natural Gas

d)

Nuclear Energy

54.

Which location would be best for solar energy?

a)

Arizona

b)

Oklahoma

c)

Hawaii

d)

Colorado

55.

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

a)

H2

b)

O2

c)

H2O2

d)

H2O

56.

Fuel cells that use a chemical reaction to generate electricity are using

a)

hydrogen gas

b)

methane gas

c)

water

d)

oil

57.

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

58.

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

59.

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

60.

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

61.

The following are advantages of which type of energy?


· Emits no CO2

· Offers independence from imported oil

· High energy density, ample supply

a)

Petroleum

b)

Coal

c)

Natural Gas

d)

Nuclear Energy

62.

Type of fuel source that causes DEFORESTATION

a)

Solar energy

b)

Nuclear fission

c)

Geothermal

d)

Biomass

63.
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
64.
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
65.

Based on the diagram, which processes would provide the energy used to generate electricity at the power plant?

a)

absorption of incoming solar radiation

b)

fusion of atomic nuclei to form heavier atomic nuclei

c)

fission in radioactive fuel

d)

combustion of fossil fuels

66.

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

a)

peat

b)

bituminous

c)

anthracite

d)

lignite

67.
How does petroleum form
a)
build up of layers of trees and leaves
b)
build up of once-living aquatic organisms underneath pressure and heat. 
c)
Build up of different rocks
d)
It's formed from gasses in the air
68.

Which three sources supply the majority of commercial energy in the world today?

a)

Nuclear, hydropower, and photovoltaics

b)

Wood, dung, and charcoal

c)

Coal, oil, and natural gas

d)

Solar, wind, and biomass

69.

Partially decomposed organic matter that can be burned as fuel is known as

a)

coal

b)

peat

c)

anthracite

d)

wood

70.

Which of the following is the best example of cogeneration?

a)

Several power plants supply the same city with electrical energy.

b)

A coal-fired power plant captures waste heat and uses it to heat adjacent buildings.

c)

Emissions from power plants are captured and stripped of sulfur for commercial sale.

d)

A trash-to-steam power plant accepts both residential and commercial waste.

71.

What is the cleanest of the three fossil fuels?

a)

Nuclear

b)

Petroleum

c)

Oil

d)

Natural gas

72.

How is energy from fossil fuels produced?

a)

The combustion of fossil fuels heats water to produce steam, which then turns a turbine.

b)

The heat released from burning fossil fuels rises and turns a turbine, which then releases carbon dioxide

c)

The steam released from the combustion of fossil fuels turns a generator, which then powers a turbine.

d)

Steam produced from a turbine ignites the fossil fuels, which then powers the generator.

73.

What is the common fuel for nuclear powerplants?

a)

Hydrocarbons

b)

Uranium

c)

Zinc

d)

Cadmium

74.

This energy source can disrupt migratory birds.

a)

solar energy

b)

hydrogen fuel cell

c)

geothermal energy

d)

wind energy

75.

Water is a product of this process that also generates electricity.

a)

solar energy

b)

hydrogen fuel cells

c)

geothermal energy

d)

wind energy

76.

This energy source requires UV radiation to excite electrons.

a)

solar energy

b)

hydrogen fuel cells

c)

geothermal energy

d)

wind energy

77.

This energy sources are common at divergent boundaries.

a)

solar energy

b)

hydrogen fuel cells

c)

wind energy

d)

geothermal energy

78.

Which of these best describes the use of a photovoltaic cell?

a)

converts photons into electricity

b)

burns biomass for heat

c)

generates passive solar energy

d)

generates electricity from wind power

79.

Cogeneration typically involves which of the following?

a)

Doubling the capacity for a nuclear power plant

b)

Increasing the efficiency of electricity generation in coal fired power plants

c)

Using both renewable and nonrenewable resources to produce electricity

d)

Using a fuel to produce both electricity and heat

80.

Which of these correctly models the order from most moisture to least moisture in decaying matter?

a)

peat, lignite, bituminous, anthracite

b)

peat, anthracite, bituminous, lignite

c)

anthracite, bituminous, lignite, peat

d)

bituminous, lignite, peat, anthracite

81.

Type of fuel source that causes DEFORESTATION

a)

Solar energy

b)

Nuclear fission

c)

Geothermal

d)

Biomass

82.

Which of the following 2 use PASSIVE solar energy?

a)

south-facing room with windows

b)

solar oven

c)

solar panels

d)

photovoltaic cells

83.

How does CO-GENERATION increase efficiency of a power plant

a)

it uses two fuel sources

b)

it uses steam generated for thermal energy

c)

it uses alternative sources for energy

d)

it doubles the capacity of a power plant

84.

Differences in __________ SEPARATE the various components of crude OIL.

a)

viscosity

b)

sulfur

c)

solubility

d)

boiling points

85.

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

a)

wind energy

b)

solar energy

c)

geothermal energy

d)

biomass energy

86.

What is the half-life of Iodine 131?

a)

32 days

b)

24 days

c)

16 days

d)

8 days

87.

What is the description of a fuel cell car?

a)

uses waste oil from food industry into ethanol

b)

uses methane to heat water and steam turns the turbine

c)

uses hydrogen to generate electricity that runs the motor

d)

runs off of internal combustion and a battery

88.
Human activity adds CO2 to the atmosphere through all of these EXCEPT
a)
clear cutting/deforestation
b)
transportation with gas powered vehicles
c)
burning biomass
d)
agricultural runoff
89.
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
90.

Using the diagram, which of the forms of coal would be the hardest?

a)

lignite

b)

subbituminous

c)

bituminous

d)

anthracite

91.

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

92.

The time needed for half of a radioactive sample to decay is called its __________.

a)

decay period

b)

fission period

c)

transmutation time

d)

half-life

93.
Nuclear energy generates ________ waste instead of _____________.
a)
radioactive, air pollutants
b)
air pollutants, ash
c)
CO2, uranium ore
d)
radioactive, uranium ore
94.
The major downside to hydraulic fracturing (fracking) is that
a)
the empty spaces left behind can result in earthquakes or buildings collapsing
b)
the equipment that is used is very cheap and often falls apart after a single use
c)
the fracking chemicals could get into aquifers and groundwater
d)
all of these 
95.

Natural gas is the preferred fossil fuel to use for heating buildings because

a)

It is the safest to store and ship

b)

It can be turned into liquid gas

c)

It is the cheapest resource choice

d)

It is the cleanest burning

96.

The aspects of this energy generation shared with wind, hydroelectric, nuclear, and fossil fuel plants are

a)

the pumps and coolant

b)

the turbines and heat exchanger

c)

the turbines and generator

d)

the generator and gearbox

97.
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
98.
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
99.
What is a possible downside to hydroelectric energy?
a)
generates high levels of pollution 
b)
high startup cost
c)
low functional lifespan
d)
high operation and maintenance cost 
100.
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
101.
Heating and cooling buildings by exchange with shallow groundwater systems is considered a form of ___ energy.  
a)
geothermal
b)
solar
c)
kinetic
d)
potential
102.

A renewable energy source below is

a)

natural gas

b)

geothermal

c)

oil

d)

coal

e)

nuclear

103.

A waste product of a hydrogen fuel cell is

a)

CO2

b)

H2O

c)

SO2

d)

CH4

e)

all of these

104.

A disadvantage of wind energy is

a)

high efficiency

b)

visual pollution

c)

no CO2 emissions

d)

methane production

e)

can be located at sea

105.
Fuel cells produce ___ using ___ .  
a)
electricity; hydrogen or methanol 
b)
 heat; electricity 
c)
carbon dioxide; biofuel 
d)
light; heat
106.
Concentrating solar power plants don't need photovoltaic cells. What do they need?
a)
Land area
b)
Water
c)
Reflectors
d)
All of the above
107.
Expensive to use for large scale energy production and it is only practical for sunny areas.  This is a disadvantage of ______.
a)
Coal
b)
Solar
c)
Oil
d)
Wind
108.
Dams disrupt a river’s ecosystem and are only available in areas that have large, fast-flowing rivers.  This is a disadvantage of ___. 
a)
Geothermal
b)
Fossil Fuels
c)
Nuclear
d)
Hydroelectric
109.
How is energy transported in a circuit with a solar panel and an electronic device?
a)
neutrons
b)
electrons
c)
protons
d)
ions
110.
Which of the following energy sources has the lowest negative environmental impacts?
a)
Biomass
b)
Nuclear
c)
Natural Gas
d)
Solar
111.
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
112.
Which is not an environmental cost associated with natural gas?
a)
Pipelines built through environmentally sensitive areas
b)
The release of methane into the atmosphere
c)
Trace metals released during combustion
d)
Groundwater contamination
113.
Which is NOT a disadvantage of using nuclear energy?
a)
Radioactive waste disposal
b)
The amount of CO2 released by the reactors
c)
Possible terrorist use of nuclear weapons
d)
Mining uranium
114.
Problems with exploiting oil shale and tar sand deposits as an alternative to crude oil include all of the following except:
a)
the deposits are usually deeply buried and difficult to extract
b)
the conversion process to fuel requires a lot of energy 
c)
the mining and conversion process requires a lot of water
d)
mining would involve widespread disruption of the land surface
115.
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
116.
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
117.
Due to energy being lost during production, transportation, etc. Coal-burning power plants are only about ____% efficient.
a)
50
b)
1
c)
35
d)
99
118.

Which source for biodiesel production utilizes the least amount of energy to produce the greatest yield of fuel per hectare of land?

a)

Algae

b)

Switchgrass

c)

Corn

d)

Soybeans

e)

Sugar cane

119.

Which is NOT a benefit of green roofs?

a)

A green roof serves as insulation for the structure.

b)

A green roof has a cooling effect on the structure and its surroundings.

c)

A green roof improves the overall air quality of the surroundings.

d)

A green roof captures water.

e)

A green roof is very heavy.

120.

Which would NOT be classified as biomass?

a)

Straw

b)

Animal dung

c)

Charcoal

d)

Uranium

e)

Wood

121.

If an average refrigerator uses 500 watts of energy per hour and your energy cost is $0.11 per kWh, approximately how much does the energy used by the refrigerator cost per month?

a)

$1.30

b)

$13

c)

$40

d)

$55

e)

$132

122.

Petroleum products are primarily used for

a)

production of kerosene as a fuel source.

b)

extraction of tar and asphalt.

c)

gasoline for transportation.

d)

production of petrochemicals needed for industry.

e)

production of plastics.

123.

The order of grades of coal from lowest energy content to highest energy content is

a)

anthracite, lignite, bituminous.

b)

anthracite, bituminous, lignite.

c)

lignite, anthracite, bituminous.

d)

bituminous lignite, anthracite.

e)

lignite, bituminous, anthracite.

124.

When supplies of a particular energy type are finite, it is known as a

a)

renewable resource.

b)

potentially renewable resource.

c)

nonrenewable resource.

d)

nondepletable resource.

e)

perpetual resource.