How can urbanization affect a local area?

it can increase the risk of flooding in an area

How can oil and natural gas be extracted from the Earth?

by drilling deep beneath the ground

What is the main cause of subsurface ocean currents that circulate from warm to cold water?

differences in density of ocean water

Cracks in rocks widen as water in them freezes. What is the effect on Earth's surface?

rocks exposed to increased rates of erosion and weathering

Which is an effect of lower levels of solar radiation striking Earth?

decreased rates of photosynthesis

Which is a farming technique that could improve the soil and the environment?

creating undisturbed layers of mulch in the soil

How could nonnative species of plant affect an ecosystem in North Carolina?

it could take over habitats of native plants

What would cause flooding in a rural forest area that has received lots of rain?

if the ground of the area is already saturated with water

Why do planes fly in the stratosphere?

to avoid storms and other weather events

What long-term impact could the destruction of large areas of forests have on Earth?

increased atmospheric carbon dioxide levels

How does replacement of large land areas with concrete and asphalt affect the land?

it increases the erosion of sediments by increasing runoff

Why is it important to conserve the biodiversity of Earth?

to increase stability of ecosystems in environmental changes

What is the impact of a community upgrading their water purification and management systems?

it could cause an increase in the freshwater supply

How do weathering and erosion affect Earth's surface?

both break down rocks and create new soil

Why would citizens be advised to recycle plastic products?

the products are not biodegradable and would accumulate

How would several wells affect the balance of groundwater recharge and discharge?

wells would deplete the groundwater supplied by percolation

How is biodiversity essential to the environment?

adds value to the environment and increases genetic material

Which change would best aid a farmer trying to use sustainable techniques?

rotate the types of crops grown

When is the subsurface phase of the water cycle complete?

when groundwater emerges to the ground surface

Why does mining of coal and natural resources result in environmental pollution?

mining creates waste material that can flow into streams

What human activity would be most destructive to the biodiversity of the biosphere?

removal of plants from the food webs they support

Why are seismic waves of an earthquake more strongly felt at the epicenter of an earthquake?

the epicenter is directly above the focus

Why does North Carolina have a wide range of biomes in its mountains?

because of the wide range of altitudes of the mountains

What chemical reaction produces the sun's energy?

hydrogen nuclei combine though nuclear fusion into helium

Which is true about Earth's motion through space?

the tilt of its axis and its revolution produce seasons

How does a cold front form?

cold air advances, forcing warm air to rise

How does the tilt of the Earth's axis affect the seasons?

by changing the amount of direct solar energy reaching Earth

What is most responsible for the presence of groundwater in an area?

the movement of surface water and rain through soil and rock

Why are wind, water, and gravity major agents of erosion rather than weathering?

erosion involves movement of materials to other locations

Which will most likely occur before a volcanic eruption?

an increase in earthquake activity

Which is the best way to conserve worldwide freshwater resources?

use more efficient irrigation techniques

How does the subduction of crustal plates influence the rock cycle?

heating and melting of rock layers forms igneous rock

Why should the farming industry adopt sustainable agriculture practices?

to reduce the environmental degradation and economic losses

How is the balance of heat energy maintained in the oceans?

heat is recycled by currents between equator and poles

Which would most likely cause a reduction in the amount of coal and natural gas on Earth?

a continual increase in the number of people on Earth

How are hurricanes and tornadoes related to air masses?

they form where air masses meet

Which is a biotic factor that could affect an ecosystem?

bacteria harming the health of organisms in an ecosystem

Which is associated with an increase of chlorofluorocarbons in the environment?

an increase in health risks associated with UV radiation

Why does Earth experience precession?

the plane of moon's orbit is tilted from the Earth's plane

Which statement best describes the ozone layer?

it helps reduce the amount of ultraviolet radiation on Earth

studbud

Earth Science Final Review

57 termsStudBud Administration277 plays

final exam review

Flashcards57 cardsFPractice quizPHost liveL

Questions 57

Answers

1
How can urbanization affect a local area?
it can increase the risk of flooding in an area
it can decrease the need for natural resources in an area
it can decrease the risk of water pollution in an area
it can increase the number of invasive species in an area
2
Which natural phenomenon occurs as a result of Earth rotating on its axis?
movement of tectonic plates
seasonal changes
day and night
deep ocean currents
3
How can oil and natural gas be extracted from the Earth?
by digging in areas of volcanoes
by removing limestone deposits from the ground
by strip-mining in mountainous areas
by drilling deep beneath the ground
4
What is the main cause of subsurface ocean currents that circulate from warm to cold water?
movement of the jet stream
differences in density of ocean water
the rotation of Earth on its axis
differences in the topography along the ocean floor
5
Cracks in rocks widen as water in them freezes. What is the effect on Earth's surface?
it reduces the rates of soil formation
it changes the chemical composition of the rocks
it limits the exposure of rocks to acid precipitation
rocks exposed to increased rates of erosion and weathering
6
Which is an effect of lower levels of solar radiation striking Earth?
increased incidences of skin cancer
decreased rates of photosynthesis
increased phytoplankton activity
decreased carbon dioxide levels
7
What is most likely to prevent mass movement events?
contour plowing of crop areas
clear-cutting trees from the side of a mountain
paving roads next to sloping hills
construct buildings in stream drainage paths
8
Where would the highest amount of acid rain be found?
in the moutains
in urban areas
over the ocean
in the forest
9
Which is a farming technique that could improve the soil and the environment?
irrigating the soil with salty water
placing inorganic chemical fertilizers in the soil
creating undisturbed layers of mulch in the soil
using fueled machines that will turn the soil continuously
10
How could nonnative species of plant affect an ecosystem in North Carolina?
it could take over habitats of native plants
it could reduce the competition for space and light
it could cause some insect species to destroy native plants
it could lead to production of disease-resistant species
11
What would cause flooding in a rural forest area that has received lots of rain?
if the area has a large uncharged aquifer beneath it
if the water in the area is below the zone of saturation
if the ground of the area is already saturated with water
if the ground of the area is mostly sandy soil
12
Why do planes fly in the stratosphere?
to avoid changes in air pressure
to avoid storms and other weather events
to receive better radio communication
to fly at supersonic speeds without air resistance
13
What long-term impact could the destruction of large areas of forests have on Earth?
decreased amounts of acid rain
increased atmospheric carbon dioxide levels
decreased rates of erosion
increased atmospheric oxygen levels
14
How does replacement of large land areas with concrete and asphalt affect the land?
it changes the bedrock of underlying layers of soil
it prevents the dynamics of the rock cycle
it increases the erosion of sediments by increasing runoff
it increases the amount of groundwater in porous rock
15
Why is it important to conserve the biodiversity of Earth?
to decrease the stability of major global ocean currents
to increase the amount of nonrenewable resources
to decrease the amount of global predator populations
to increase stability of ecosystems in environmental changes
16
What is the impact of a community upgrading their water purification and management systems?
it could cause a decrease in water demand
it could cause an increase in the freshwater supply
it could cause an increase in waterborne diseases
it could cause a decrease in the water levels
17
How do weathering and erosion affect Earth's surface?
both force tectonic plates to move across the ocean floor
both break down rocks and create new soil
both cause mountain ranges to become taller
both cause sedimentary rocks to form igneous rocks
18
Why would citizens be advised to recycle plastic products?
the products are not biodegradable and would accumulate
this would increase the consumption of petroleum products
the population can be made into inexpensive public art
this would decrease the amount of green industry jobs
19
How would several wells affect the balance of groundwater recharge and discharge?
they would provide dissolved oxygen
wells would provide storage areas for groundwater
they would increase the water table by adding water
wells would deplete the groundwater supplied by percolation
20
How is biodiversity essential to the environment?
adds value to the environment and reduces genetic material
decreases stability of ecosystems
adds value to the environment and increases genetic material
decreases the chance that some living things will survive
21
Which change would best aid a farmer trying to use sustainable techniques?
rotate the types of crops grown
plant only genetically modified crops
reduce the ratio of essential elements in the fertilizer
irrigate crops using well water
22
When is the subsurface phase of the water cycle complete?
when water infiltrates the ground after rain and snow
when water remains in the ground as part of water table
when precipitation produces runoff into streams on surface
when groundwater emerges to the ground surface
23
Why does mining of coal and natural resources result in environmental pollution?
mining strips surfaces of land near streams
mining produces acid rain near streams
mining creates waste material that can flow into streams
mining pollutes the air near streams
24
What human activity would be most destructive to the biodiversity of the biosphere?
release of species of freshwater trout in lakes
burning of wood and coal in rural areas
removal of plants from the food webs they support
removal of erosion barriers form forest boundaries
25
The earth's atmosphere is mainly composed of which three gases?
argon, nitrogen, oxygen
argon, methane, and oxygen
carbon dioxide, helium, and nitrogen
helium, oxygen, and radon
26
Why are seismic waves of an earthquake more strongly felt at the epicenter of an earthquake?
most faults converge at the epicenter
crustal plates rise and fall with ocean tides
millions of small movement of the crust occur here
the epicenter is directly above the focus
27
Why does North Carolina have a wide range of biomes in its mountains?
because of the wide range of altitudes of the mountains
because of the types of rocks that make up the mountains
because of rivers and lakes in mountain areas
because of the wind and water erosion of the moutains
28
Which storm develops as air masses interact with warm water in the Northwest Pacific?
tornado
blizzard
monsoon
typhoon
29
What chemical reaction produces the sun's energy?
oxygen causes combustion of solar fuel molecules
helium and oxygen break down through nuclear fission
helium nuclei are combined by nuclear fusion
hydrogen nuclei combine though nuclear fusion into helium
30
Which is true about Earth's motion through space?
the tilt of its axis and its revolution produce seasons
Earth's revolution changes the sun-earth gravitational pull
earth's rotation causes changes in its surface temperature
earth's precession affect the amount of heat reflected
31
How does a cold front form?
warm and cold air masses meet and mix
warm air advances and replaces cold air
cold air advances, forcing warm air to rise
warm and cold air masses have no advancement
32
How does the tilt of the Earth's axis affect the seasons?
by influencing the rate of chemical reactions in atmosphere
by deflecting the harmful UV rays from the Sun
by changing the speed of the rotation of the Earth
by changing the amount of direct solar energy reaching Earth
33
Which energy source produces the least amount of solid waste?
natural gas
coal
peat
oil
34
What is most responsible for the presence of groundwater in an area?
the movement of surface water and rain through soil and rock
the movement of surface water through impermeable rock
the movement of water from an aquifer into surface water
the movement of water from streams and rivers to watersheds
35
Why are wind, water, and gravity major agents of erosion rather than weathering?
erosion involves movement of materials to other locations
weathering is often limited to chemical changes in materials
weathering is often limited to physical changes in materials
erosion involves stationary processes of breaking rock
36
What alternative energy technology could use land and sea breezes of North Carolina?
wind farms
solar energy panels
biofuels and production
nuclear fusion
37
Which will most likely occur before a volcanic eruption?
an increase in mud flow
an increase in lava flow
an increase in earthquake activity
an increase in acid rain production
38
Which is the best way to conserve worldwide freshwater resources?
increase the amount of land used to raise cattle
use more efficient irrigation techniques
build more roads and highways for cars and trucks
develop more modern coal-powered plants
39
How does the subduction of crustal plates influence the rock cycle?
parent material is provided for weathering and erosion
intense heat and pressure forms metamorphic rock
cementing and compaction form sedimentary rock
heating and melting of rock layers forms igneous rock
40
Why should the farming industry adopt sustainable agriculture practices?
to increase the use of irrigation systems
increase the number of non-point sources of water pollution
to reduce the environmental degradation and economic losses
to increase the amount of erosion and deposition
41
How is the balance of heat energy maintained in the oceans?
the sun's energy is equally distributed in the ocean
the tides transfer heat across the oceans
heat is recycled by currents between equator and poles
the movement of waves transfers heat energy in the ocean
42
Which would most likely cause a reduction in the amount of coal and natural gas on Earth?
a continual increase in the number of people on Earth
a continual increase in the amount of pollution
a continual decrease in the amount of rain forests
a continual decrease in the amount of water in aquifers
43
In what type of soil would seepage of groundwater into streams occur the slowest?
fine clay
silt
fine sand
gravel
44
How are hurricanes and tornadoes related to air masses?
they form where air temperatures are the same
they form where air pressure is the same
they form within air masses
they form where air masses meet
45
Which is a biotic factor that could affect an ecosystem?
bacteria harming the health of organisms in an ecosystem
high levels of CO2 entering the atmosphere
dust storms moving through an ecosystem
large amounts of acid rain precipitation going into the soil
46
Which is the most common contamination source for freshwater resources?
melting or glaciers
digging wells
runoff
lightning
47
Which will most likely form when movement a land mass is pulled apart?
continental rift
oceanic trench
continental mountains
volcanic island arc
48
Which is associated with an increase of chlorofluorocarbons in the environment?
an increase in health risks associated with UV radiation
an increase in levels of methane gas in the atmosphere
an increase in acid precipitation
an increase in ozone levels in the upper atmosphere
49
What is the major difference between weather and climate?
humidity
air temperature
air pressure
time
50
Why does Earth experience precession?
because the Earth revolves around the sun every 365 days
because the Earth is the third planet from the sun
because of the movement of the circumpolar stars of Polaris
the plane of moon's orbit is tilted from the Earth's plane
51
Which statement best describes the ozone layer?
it helps reduce the amount of ultraviolet radiation on Earth
it prevents the formation of severe storms in stratosphere
it increases the amount of nitrogen in the troposphere
it forms a magnetic field in the mesosphere
52
Which change would most likely occur as a result of rapid increases in the global population?
price of transporting food would cause lower food prices
price of labor to harvest raw food supplies would decrease
there would be a high demand for limited natural resources
global management of natural resources would be the same
53
How is solar energy essential to plants?
solar energy is converted to chemical energy by plants
solar energy maintains the internal temperature of plants
solar energy signals the plants to release leaves in fall
solar energy regulates the consumption of oxygen by plants
54
Which of the following is an example of climate?
average current temperature in a region
relative humidity in Raleigh, NC
current temperatures in Pinehurst, NC
average temperature in Raleigh, NC over the past 30 years
55
How does the sun's energy affect food webs on Earth?
UV radiation generates ozone for plants
microwaves stimulate animal reproduction
infrared radiation drives carbon, oxygen, and nitrogen cycle
wavelengths of light stimulate plants to do photosynthesis
56
When a sewer pipe breaks near a stream, which would most likely occur?
decrease in dissolved oxygen
decrease in dissolved nitrogen
increase in pesticides
increase in salinity
57
What is the main cause a city being a heat island?
the planting of trees and other vegetation
the construction of parking areas and road systems
the installation of solar panels
the building of rooftop gardens

Earth Science Final Review Flashcards | StudBud