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