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WorksheetsEarth Science NC Check In
Total questions: 49
Worksheet time: 3hrs 40mins
Name
Class
Date
1.
How can urbanization affect a local area?
a)
It can increase the number of invasive species in an area
b)
It can decrease the risk of water pollution in an area
c)
It can increase the risk of flooding in an area
d)
It can decrease the need for natural resources in an area
2.
Which will most likely form when movement along a plate boundary forces a landmass to be pulled apart?
a)
volcanic island arc
b)
continental mountains
c)
continental rift
d)
oceanic trench
3.
Subsurface ocean currents continually circulate from the warm waters near the equator to the colder waters in other parts of the world. What is the main cause of these currents?
a)
differences in the topography along the ocean floor
b)
differences in density of ocean water
c)
the rotation of Earth on its axis
d)
movement of the jet stream
4.
Which is associated with an increase of chlorofluorocarbons in the environment?
a)
an increase in health risks associated with UV radiation
b)
an increase in levels of methane gas in the atmosphere
c)
an increase in ozone levels in the upper atmosphere
d)
an increase in acid precipitation
5.
Which change would best aid a farmer in making the transition from conventional farming techniques to more sustainable farming techniques?
a)
reduce the ratio of essential elements in the fertilizer
b)
irrigate crops using well water
c)
rotate the types of crops grown
d)
plant only genetically modified crops
6.
Which is an effect of lower levels of solar radiation striking Earth?
a)
increased incidences of skin cancer
b)
decreased rates of photosynthesis
c)
increased phytoplankton activity
d)
decreased carbon dioxide levels
7.
Which natural phenomenon occurs as a result of Earth rotating on its axis?
a)
movement of tectonic plates
b)
deep ocean currents
c)
seasonal changes
d)
day and night
8.
Which storm most likely develops as air masses interact with the warm water in the northwest Pacific Ocean?
a)
typhoon
b)
tornado
c)
blizzard
d)
monsoon
9.
What is most responsible for the presence of groundwater in an area?
a)
the movement of water from a confined aquifer into surface water
b)
the movement of surface water and precipitation through soil and rock
c)
the movement of water from streams and rivers to watersheds
d)
the movement of surface water through impermeable rock
10.
Which is a farming technique that could improve the soil and the environment?
a)
using fueled machines that will turn the soil continuously
b)
creating undisturbed layers of mulch in the soil
c)
placing inorganic chemical fertilizers in the soil
d)
irrigating the soil with salty water
11.
A community decides to upgrade its water purification and management systems. What lasting impact could this have on available freshwater?
a)
It could cause a decrease in water demand
b)
It could cause a decrease in the water levels
c)
It could cause an increase in waterborne diseases
d)
It could cause an increase in the freshwater supply
12.
Which would most likely cause a reduction in the amount of coal and natural gas on Earth?
a)
a continual increase in the amount of pollution in Earth’s atmosphere
b)
a continual increase in the number of people on Earth
c)
a continual decrease in the amount of water in Earth’s aquifers
d)
a continual decrease in the amount of rain forests on Earth
13.
How could the introduction of a nonnative species of plant affect an ecosystem in North Carolina?
a)
It could pollinate the native plant species, producing a disease-resistant species
b)
It could reduce the competition for space and light with native plant species
c)
It could take over the habitats of the native plant species
d)
It could cause some insect species to destroy native plant species
14.
Which is the most common contamination source for freshwater resources?
a)
runoff
b)
digging wells
c)
melting of glaciers
d)
lightning
15.
What long-term impact could the destruction of large areas of forests have on Earth?
a)
decreased rates of erosion
b)
increased atmospheric carbon dioxide levels
c)
decreased amounts of acid rain
d)
increased atmospheric oxygen levels
16.
Why is it important to conserve the biodiversity of Earth?
a)
to decrease the amount of global predator populations
b)
to decrease the stability of major global ocean currents
c)
to increase the stability of ecosystems during environmental changes
d)
to increase the amount of nonrenewable resources located in the lithosphere
17.
Cracks in rocks widen as water in them freezes and thaws. How does this affect the surface of the Earth?
a)
It reduces the rates of soil formation
b)
It changes the chemical composition of the rocks
c)
It exposes rocks to increased rates of erosion and weathering
d)
It limits the exposure of rocks to acid precipitation
18.
In Figure 3-1, what type of rock should occur in the part of the rock cycle labeled B?
a)
sedimentary
b)
lava
c)
igneous
d)
metamorphic
19.
How does the tilt of the Earth’s axis affect the seasons?
a)
by changing the amount of direct solar energy reaching the surface of Earth
b)
by influencing the rate of chemical reactions occurring in the atmosphere
c)
by deflecting the harmful rays of radiation emitted by the sun
d)
by changing the speed of the rotation of Earth
20.
What are the proportions of clay, silt, and sand shown at point A in Figure 5-1?
a)
clay: 70 percent; silt: 20 percent; sand: 10 percent
b)
clay: 60 percent; silt: 20 percent; sand: 20 percent
c)
clay: 40 percent; silt: 40 percent; sand: 20 percent
d)
clay: 80 percent; silt: 10 percent; sand: 10 percent
21.
How does the age of seafloor sediments change with increasing distance from the ocean ridge?
a)
Age stays the same.
b)
Age increases
c)
Age decreases
d)
Age varies without a pattern.
22.
What feature is labeled D in Figure 10-1?
a)
lava flow
b)
crater
c)
pipe
d)
volcanic neck
23.
What feature is labeled B in Figure 9-1?
a)
trench
b)
ocean ridge
c)
Volcanic Island Arc
d)
Continental Volcanic Arc
24.
Wegener’s continental drift hypothesis stated that all the continents once joined together to form ____.
a)
two major supercontinents and three smaller continents
b)
two major supercontinents
c)
one major supercontinent
d)
three major supercontinents
25.
Earthquakes are usually associated with ____.
a)
faults
b)
violent weather
c)
the east cost of North America
d)
large cities
26.
Which of the following causes earthquakes?
a)
Richter scale
b)
frictional heating
c)
elastic rebound
d)
release of heat
27.
Which of the following is a geographic example of a transform fault boundary?
a)
the East African Rift valley
b)
the Andes Mountains
the Andes Mountains
c)
the San Andreas Fault
d)
the Mid-Atlantic Ridge
28.
Balance in the water cycle means that ____.
a)
the average annual precipitation over Earth equals the amount of water that evaporates
b)
water that falls to Earth only enters oceans
c)
the amount of water that falls to Earth weighs the same as the amount that condenses in clouds
d)
water that evaporates from Earth’s surface remains forever in the atmosphere
29.
Surface water goes from the liquid to the gas state during the process of ____.
a)
infiltration
b)
transpiration
c)
precipitation
d)
evaporation
30.
What is true about an ocean current that is moving toward the polar regions?
a)
It is fast
b)
It is cold
c)
It is slow
d)
It is warm
31.
Because of the Coriolis effect, ocean currents in the Southern Hemisphere are deflected to the ____.
a)
south
b)
north
c)
right
d)
left
32.
Permeable rock layers or sediments that transmit groundwater freely are called ____.
a)
aquitards
b)
aquifers
c)
springs
d)
caverns
33.
The single most important erosional agent on Earth is ____.
a)
ocean waves
b)
wind
c)
glaciers
d)
running water
34.
At night, clouds act as a blanket by ____.
a)
absorbing outgoing radiation from the Earth
b)
flecting incoming radiation from the Sun
c)
reflecting outgoing radiation from the Earth
d)
absorbing incoming radiation from the sun
35.
In the Figure, which air masses would be associated with cold, wet conditions?
a)
1 and 3
b)
6 and 4
c)
2 and 5
d)
3 and 4
36.
A continental tropical air mass is ____.
a)
hot and dry
b)
cold and wet
c)
cold and dry
d)
hot and wet
37.
On a weather map, which type of front is shown by a line with triangular points on one side?
a)
warm
b)
stationary
c)
occluded
d)
cold
38.
Maritime air masses form ____.
a)
over water
b)
only in winter
c)
over land
d)
only in summer
39.
Which of the following is an example of human impact on climate changes?
a)
the greenhouse effect
b)
global warming
c)
changes in solar output
d)
changes in the tilt of Earth’s axis
40.
Which of the following is NOT true of greenhouse gases?
a)
They absorb Earth’s radiation
b)
They are produced solely by human activities
c)
They are transparent to incoming solar radiation
d)
They include carbon dioxide and water vapor
41.
Which of the following is NOT true of the relationship between vegetation and climate?
a)
Vegetation influences ocean currents
b)
Vegetation influences cloud format
c)
Vegetation influences rates of solar absorption
d)
Vegetation influences regional precipitation patterns
42.
What are the proportions of clay, silt, and sand shown at point C in Figure 5-1?
a)
clay: 20 percent; silt: 60 percent; sand: 20 percent
b)
clay: 10 percent; silt: 80 percent; sand: 10 percent
c)
clay: 10 percent; silt: 20 percent; sand: 70 percent
d)
clay: 30 percent; silt: 40 percent; sand: 30 percent
43.
Which of the following is NOT a major component of soil?
a)
earthworms
b)
humus
c)
mineral matter
d)
air
44.
What factor commonly triggers mass movements?
a)
earthquakes
b)
saturation of surface materials with water
c)
removal of vegetation
d)
all are correct
45.
In a well-developed soil profile, which horizon is the uppermost layer?
a)
the parent horizon
b)
the C horizon
c)
the A horizon
d)
the B horizon
46.
In Figure 3-1, what process or processes would be occurring in the part of the rock cycle labeled E?
a)
melting
b)
weathering and erosion
c)
cooling
d)
compaction and cementation
47.
During what season would you expect mass movements to be a greater threat?
a)
a dry summer
b)
a wet spring with lots of growing vegetation
c)
a dry autumn after the leaves have turned
d)
a wet spring before vegetation is growing
48.
As the speed of cooling of igneous rocks increases, the size of the crystals that form ____.
a)
is not affected
b)
cannot be determined
c)
increases
d)
decreases
49.
The process that occurs when physical forces break rock into smaller pieces without changing the rock’s chemical composition is called ____.
a)
differential weathering
b)
erosion
c)
chemical weathering
d)
mechanical weathering
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