Which would help a farmer in transitioning from conventional to sustainable farming techniques?

rotate the types of crops grown

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

decreased rates of photosynthesis

How could the introduction of a nonnative plant affect an ecosystem in North Carolina?

It could take over the habitats of the native plant species.

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

creating undisturbed layers of mulch in the soil

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

changes the amount of direct solar energy reaching the Earth

Which statement best describes the ozone layer of Earth?

It reduces the amount of UV radiation reaching the Earth.

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

increased atmospheric carbon dioxide levels

What is the main cause of Urban City X being an urban heat island?

the construction of parking areas and road systems

Why is it important to conserve the biodiversity of Earth?

increase stability of ecosystems during environmental change

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

an increase in health risks associated with UV radiation

Which is the best way to conserve worldwide freshwater resources?

use more efficient irrigation techniques

Which is a biotic factor that could affect an ecosystem?

bacteria harming the health of organisms in an ecosystem

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

What is the main cause of subsurface currents circulation from warm to cold waters?

differences in density of ocean water

Which will most likely occur before a volcanic eruption?

an increase in earthquake activity

A rural area receives lots of rain. What would most likely cause flooding?

if the ground of the area is already saturated with water

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

by drilling deep beneath the ground

Cracks in rocks widen as water freezes & thaws. How does this affect the surface of the Earth?

It exposes rocks to increase rates of erosion and weathering

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

the movement of surface water and rain through soil and rock

How can urbanization affect a local area?

It can increase the risk of flooding in an area.

How do weathering and erosion affect Earth’s surface?

Both break down rocks and create new soil.

A town upgrades its water manage system. What lasting impact will this have on freshwater?

It could cause an increase in the freshwater supply.

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NCFE Review (Earth Science)

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Questions 26

Answers

1
Which would help a farmer in transitioning from conventional to sustainable farming techniques?
irrigate crops using well water
plant only genetically modified crops
rotate the types of crops grown
reduce the ratio of essential elements in the fertilizer
2
Which is an effect of lower levels of solar radiation striking Earth?
decreased carbon dioxide levels
increased phytoplankton activity
decreased rates of photosynthesis
increased incidences of skin cancer
3
How could the introduction of a nonnative plant affect an ecosystem in North Carolina?
It could cause some insect species to destroy native plants.
It could reduce the competition for space and light.
It could pollinate the native plant species.
It could take over the habitats of the native plant species.
4
Which is a farming technique that could improve the soil and the environment?
placing inorganic chemical fertilizers in the soil
creating undisturbed layers of mulch in the soil
irrigating the soil with salty water
using fueled machines that will turn the soil continuously
5
Which natural phenomenon occurs as a result of Earth rotating on its axis?
movement of tectonic plates
day and night
deep ocean currents
seasonal changes
6
How does the tilt of the Earth’s axis affect the seasons?
deflecting the harmful rays of radiation emitted by the sun
by changing the speed of the rotation of Earth
influencing the rate of chemical reactions occurring
changes the amount of direct solar energy reaching the Earth
7
Which statement best describes the ozone layer of Earth?
It increases the amount of nitrogen in the troposphere
It forms a magnetic field in the mesosphere of Earth.
It prevents the formation of severe storms
It reduces the amount of UV radiation reaching the Earth.
8
What long-term impact could the destruction of large areas of forests have on Earth?
increased atmospheric carbon dioxide levels
decreased rates of erosion
decreased amounts of acid rain
increased atmospheric oxygen levels
9
What is the main cause of Urban City X being an urban heat island?
the planting of trees and other vegetation
the building of rooftop gardens
the installation of solar panels
the construction of parking areas and road systems
10
Which is the most common contamination source for freshwater resources?
lightning
melting of glaciers
digging wells
runoff
11
Why is it important to conserve the biodiversity of Earth?
increase amount of nonrenewable resources in the lithosphere
to decrease the amount of global predator populations
to decrease the stability of major global ocean currents
increase stability of ecosystems during environmental change
12
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 ozone levels in the upper atmosphere
an increase in acid precipitation
13
Which is the best way to conserve worldwide freshwater resources?
develop more modern coal-powered plants
increase the amount of land used to raise cattle
use more efficient irrigation techniques
build more roads and highways for cars and trucks
14
Which is a biotic factor that could affect an ecosystem?
high levels of carbon dioxide entering the atmosphere
dust storms moving through an ecosystem
bacteria harming the health of organisms in an ecosystem
acid rain precipitation seeping into the soil
15
Which would most likely cause a reduction in the amount of coal and natural gas on Earth?
a continual increase in amount of pollution in atmosphere
a continual decrease in amount of water in Earth’s aquifers
a continual decrease in the amount of rain forests on Earth
a continual increase in the number of people on Earth
16
What is the main cause of subsurface currents circulation from warm to cold waters?
movement of the jet stream
the rotation of Earth on its axis
differences in the topography along the ocean floor
differences in density of ocean water
17
Which storm most likely develops as air masses interact w/ warm water in the NW Pacific Ocean?
blizzard
typhoon
tornado
monsoon
18
Which will most likely occur before a volcanic eruption?
an increase in acid rain production
an increase in earthquake activity
an increase in mud flow
an increase in lava flow
19
A rural area receives lots of rain. What would most likely cause flooding?
if the ground of the area is mostly sandy soil
the water level in the area is below the zone of saturation
if the area has a large uncharged aquifer beneath it
if the ground of the area is already saturated with water
20
How can oil and natural gas be extracted from the earth?
by removing limestone deposits from the ground
by digging in areas of volcanoes
by drilling deep beneath the ground
by strip-mining in mountainous areas
21
Cracks in rocks widen as water freezes & thaws. How does this affect the surface of the Earth?
It exposes rocks to increase rates of erosion and weathering
It changes the chemical composition of the rocks.
It reduces the rates of soil formation.
It limits the exposure of rocks to acid precipitation.
22
What is most responsible for the presence of groundwater in an area?
the movement of water from streams and rivers to watersheds
the movement of water from confined aquifer to surface water
the movement of surface water and rain through soil and rock
the movement of surface water through impermeable rock
23
Which will likely form when movement along plate boundary forces a landmass to be pulled apart?
continental mountains
oceanic trench
continental rift
volcanic island arc
24
How can urbanization affect a local area?
It can decrease the risk of water pollution in an area.
It can increase the risk of flooding in an area.
It can increase the number of invasive species in an area.
It can decrease the need for natural resources in an area.
25
How do weathering and erosion affect Earth’s surface?
Both cause sedimentary rocks to form igneous rocks.
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.
26
A town upgrades its water manage system. What lasting impact will this have on freshwater?
It could cause an increase in waterborne diseases.
It could cause a decrease in water demand.
It could cause an increase in the freshwater supply.
It could cause a decrease in the water levels.

NCFE Review (Earth Science) Flashcards | StudBud