Download Earth Science Exam Review 7

EX AM
REVIEW
P OW E R P O I N T 7
Over geologic time, global mean sea level has varied significantly. Which change is most likely
responsible for an increase in global mean sea level?
A erosion of sediment from a mountain range
B mass extinction of marine organisms
C formation of an ocean trench
D melting of polar ice caps
melting of polar ice
caps
Over geologic time, global mean sea level has varied significantly.
Which change is most likely responsible for an increase in
global mean sea level?
A erosion of sediment from a mountain range
B mass extinction of marine organisms
C formation of an ocean trench
D melting of polar ice caps
melting of polar ice caps
Many birds live in mountainous temperate
forest ecosystems. Above the tree line on
mountains, however, the ecosystems change.
Few birds are found there. Many factors
contribute to the lower number of birds seen
above a mountain’s tree line. Which of these
factors is abiotic?
A limited food
B no trees for shelter
C.frequent high winds
D high-flying predators
frequent high winds
Over-using an aquifer can lead to
subsidence. Which other hazard would
most likely be exacerbated by this
subsidence?
A climate change
B earthquake
C drought
D flooding
flooding
Which would be the most sustainable way to
increase the supply of potable(drinkable) water as
the United States population grows?
A Dig more deep wells to access fossil water.
B Build more reservoir dams along rivers.
C Increase the use of greywater for landscaping.
D Increase the use of saltwater for cooling power
plants.
Increase the use of greywater for landscaping.
Volcanoes release several gases during
eruptions. Which of these gases has been
shown to cause significant cooling of the
climate for one or more years after an
eruption?
A water vapor
B sulfur dioxide
C carbon dioxide
D hydrogen fluoride
sulfur dioxide
Biomes include both biotic and
abiotic elements. Which set includes
both biotic and abiotic elements of an
estuary?
A cordgrass, water salinity, great
blue herons
B ospreys, oysters, black needle
rush
C silt, air temperature, tidal pattern
cordgrass, water salinity, great blue herons
Which of the following is most
responsible for reducing the
availability of fresh water in this
country?
A aquifer depletion
B reservoir evaporation
C nonpoint source pollution
Dboat and watercraft emissions
nonpoint source pollution
There are many methods of increasing
the supply of fresh water to coastal cities.
Which method takes the most energy?
A drilling deep wells
B desalination
C conservation
D building pipelines
desalination
Visible light reaches Earth’s surface
while infrared light is trapped as heat.
Which characteristic of Earth’s
atmosphere causes this to happen?
A the ozone hole
B the inversion layer
C the greenhouse effect
D the atmospheric continuum
the greenhouse effect
Sweet potatoes grow best in sandy, welldrained soil. In which North Carolina
ecological region would you most likely
grow sweet potatoes?
Apiedmont
B tidewater
Ccoastal plain
D mountain
coastal plain
The temperate deciduous forest and temperate
grassland biomes have the same maximum
temperature. Which of the following is a reason
they have different plant and animal species?
A they are at different altitudes
B they are at different latitudes
C the forest gets more precipitation
the forest gets more precipitation
What would be the most sustainable way to reduce farm
use of river water in a coastal area?
A Build desalination plants to convert seawater to
fresh water for farms.
B Dig deeper wells to pump more water from deeper
aquifers to farms.
C Use drip irrigation systems to water crops more
precisely on farms
Use drip irrigation systems to
water crops more precisely on
farms
Earth’s ice sheets grow and retreat on a cycle of
about 41,000 years. Which natural process is
responsible for this cycle?
A the eccentricity of Earth’s orbit
B the wobble in Earth’s tilt on its axis
C the El Niño Southern Oscillation
D the changing size of the ozone hole
Tides that have a maximum daily
taildal range during new and full moos
are called what?
A high
B neap
C spring
What is the carrying capacity of an ecosystem?
A the total number of organisms alive at the same
time in an ecosystem
B the minimum number of individuals needed to have
balance in an ecosystem
C the total number of individuals, living and dead, that
have been supported by an ecosystem
D the maximum number of individuals that an
ecosystem can support without harming the ecosystem
the maximum number of individuals that
an ecosystem can support without
harming the ecosystem
What will most likely happen to a stable
ecosystem when a population of animals
exceeds the ecosystem’s carrying
capacity?
A The ecosystem will improve.
B The ecosystem will degrade.
C The ecosystem will change type.
D The ecosystem will remain
unchanged.
Auroras occur where Earth’s
magnetosphere traps high-energy
particles in which region of the
atmosphere?
A troposphere
B stratosphere
C thermosphere
D exosphere
Near which geologic
structure are the
youngest rocks on Earth
found?
A kettle hole
B normal fault
C active volcano
Dglacial striation
Oceanic crust is denser than continental
crust. So when the two meet, oceanic crust
subducts under continental crust. This fact
best supports which claim?
A. The hardest rocks on Earth are in the
continental crust.
B. The oldest rocks on Earth are in the
continental crust.
How does air density affect air pressure in a
cyclonic storm?
A Warm air rises, creating an area of low
pressure under it.
B Cool air rises, creating an area of low
pressure under it.
C Warm air rises, creating an area of high
pressure under it.
D Cool air rises, creating an area of high
pressure under it.
Which of these processes in the water cycle
heats the atmosphere most as a cyclonic
storm forms over the ocean?
A Water droplets cluster into clouds.
B Water droplets fall to Earth as rain.
C Water vapor in the atmosphere
condenses into droplets.
Which renewable resource would
be least affected by increasing
global temperatures?
A hydropower
B wind energy
C geothermal power
D biomass energy
The cost of a kilowatt hour of which kind of
alternative energy is most likely to increase in
the coming decades?
A hydroelectric
B biomass
C solar
D wind
About 75% of the world’s active
volcanoes are the result of
tectonic activity around which
plate?
A North American Plate
B African Plate
C Pacific Plate
DNazca Plate
Which of these natural disasters is
least likely to cause major damage to
a prairie ecosystem?
A a flood
B a tornado
C a hurricane
D an earthquake