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Energy Unit Review Questions
Energy Unit Review Questions
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8th grade - Energy Unit Review
Flashcards
29 cards
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Questions
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Answers
1
Which organisms are
most likely
to be harmed by the building of wind turbines?
phytoplankton
birds
insects
people
2
Which energy source causes both air and water pollution?
solar
nuclear
wind
fossil fuels
3
When wood is burned as energy heat source, what are the environmental consequences?
deforestation and release of greenhouse gases
thermal pollution and contamination of water resources
excess oxygen and water vapor in the atmosphere
soil contamination and acid precipitation
4
Which human activity could help decrease air pollution? (out of the options available)
driving a hybrid car
burning household garbage
using coal to produce energy
burning crops
5
Which human activity has most negatively affected air quality?
using solar energy cells
constructing nuclear power plants
burning coal
growing crops
6
Which best represents a consequence of an oil spill?
Inland reservoirs become contaminated
Tourist visits to the area increase
Nuclear energy is less readily available
Food webs are disrupted
7
Which pollutant is released into atmosphere when coal is burned to supply energy?
mercury
carbon dioxide
nitrates
lead
8
What is a disadvantage of relying on solar energy?
Solar energy is weak and does not provide adequate energy
Solar energy can only be captured during daylight hours
Solar energy creates a large amount of air pollution
Solar energy is only available after the sun sets
9
Which would be the best way to dispose of cardboard boxes not used by a local grocery store?
have them recycled for future paper products
send them to be dumped in a remote area
put them into a dumptster with the rest of the trash
burn them once a month
10
Which resource, abundant in Nevada, is nonrenewable?
sunlight
wind
wood
copper
11
Acid rain is the result of pollutants being released into the:
soil
rivers
oceans
air
12
Which renewable energy source would most likely cause loss of habitat?
nuclear
geothermal
solar
hydroelectric
13
Which form of energy production creates a radioactive waste product?
Nuclear power
Solar cells
Wind turbines
Coal combustion
14
Why might renewable energy be a better alternative to nonrenewable energy?
Renewable energy is less expensive than nonrenewable
Renewable energy requires less equipment & less maintenance
Renewable energy harms environment & nonrenewable doesn't
Renewable energy is readily available/ nonrenewable is limited
15
Which greenhouse gas release from the burning of fossil fuels MOST impacts global temperatures?
sulfur dioxide
methane
carbon monoxide
carbon dioxide
16
Nuclear power has pros and cons. Why would we still use it despite its disadvantages?
They produce large amounts of energy & little air pollution
Radioactive waste storage units have become available
Reactor malfunctions leading to contamination are minimal
The power plants are less costly to build
17
Which produces the LEAST amount of pollution when used to generate electricity?
wind
oil
natural gas
coal
18
Which best describes a consequence of clearning woodland areas of trees?
The amount of oxygen in the atmosphere will increase
The diversity of plant life will increase
The amount of carbon dioxide in the atmosphere will increase
The number of habitats for wild animals will increase
19
In a recycling program, which materials can be reused many times?
paper containers
steel cans
plastic containers
glass bottles
20
Which BEST explains why some people are against the use of nuclear energy?
There is not enough water available.
Risk of reactors losing control, spreading radiation, & causing injuries.
Risk of reactors working too slowly, wasting time, & not cost-efficient.
There is not enough oil available.
21
Which of the following is a common renewable resource found in deserts?
solar energy
biodiesel
natural gas
uranium
22
What best explains what scientists are referring to when they use the term conservation?
health of the living organisms in the environment
protection, management, and renewal of resources
nonliving parts of the environment
living organisms in the environment
23
Which is a nonrenewable ocean resource?
water
salt
oil
fish
24
What is a benefit of converting to solar energy?
a decrease in air pollution
a decrease in electrical energy production
an increase in the cost of energy
an increase in the use of fossil fuels
25
Swamp plants die and are buried. How long would it take for the plants to become fossil fuels?
10,000 years
1,000 years
100,000 years
1,000,000 years
26
What is the greatest contributor to air pollution in the United States?
factories
burning waste
power plants
automobiles
27
Which would have the MOST negative impact on the transportation industry if it were depleted?
coal
oil
natural gas
wood
28
Which renewable resource is used with photovoltaic cells to produce electricity?
geothermal energy
solar energy
nuclear energy
hydrothermal energy
29
Which is an environmental impact of hydroelectric plants?
Reservoirs cause habitat disruption of surrounding areas
Hydroelectric dams produce large amounts of carbon dioxide
hydroelectric dams produce large amounts of oxygen
Reservoirs are also used for water sports and recreation
