Geology and Earth Systems Final Exam Questions with Latest Update
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Course
Earth\\\'s Systems
Institution
Earth\\\'s Systems
What are the major earth systems? - Answer-Geosphere, atmosphere, biosphere, hydrosphere
What type of system can exchange energy with its surroundings, but not matter? - Answer-A closed system
What type of system changes with time? - Answer-Dynamic system
What is the earth's albedo? - Answ...
Geology and Earth Systems Final Exam
Questions with Latest Update
What are the major earth systems? - Answer-Geosphere, atmosphere, biosphere,
hydrosphere
What type of system can exchange energy with its surroundings, but not matter? -
Answer-A closed system
What type of system changes with time? - Answer-Dynamic system
What is the earth's albedo? - Answer-On average 0.3, describes the amount of sunlight
reflected from a surface back into space, is an example of reinforcing feedback, and
promotes cooling of earth's atmosphere as it increases
Human population on earth through time is best described as - Answer-Exponential
growth
What contains the crust and uppermost part of the mantle? - Answer-The lithosphere
What is the most common element in earth's lithosphere? - Answer-Oxygen
This system comprises lakes, oceans, clouds, streams, and groundwater. - Answer-The
hydrosphere
What is the atmosphere? - Answer-A dynamic system that overlaps with the
hydrosphere, and helps to modulate earth's surface temperature
Which system overlaps with the atmosphere, the geosphere, the exosphere, and the
hydrosphere? - Answer-The biosphere
An earthquake is reported to have occurred at a depth of 400 km. Where did it most
likely originate? - Answer-A convergent plate boundary
All plate boundaries are defined by what? - Answer-Linear magnetic anomalies
What was the evidence comprised by Alfred Wegener for continental drift? - Answer-
Fits of the continents, fossils of animals, mountain belts, similar rock units
What are the plate boundaries where two plates move away from one another and
stresses are dominantly tensional? - Answer-Divergent boundaries
When a geologist measures the magnetic field direction recorded by magnetic minerals
in a rock that formed long ago, and they point toward a position different from that of
, today's north pole, that is because? - Answer-The rock has moved since it last realigned
with earth's magnetic field
What are volcanoes that form far away from any tectonic plate boundaries called? -
Answer-Hot spots
What is the point on a fault plane where energy is released during an earthquake? -
Answer-Hypocenter
Body waves that vibrate in the direction in which they are propagated are called what? -
Answer-P-waves
At a greater distance from an earthquake epicenter it is always true that what? -
Answer-The amplitude of the seismic waves is less
What should be done to reduce risk to humans and property due to earthquake
hazards? - Answer-Buildings should be built on solid rock
A rock with a phaneritic (coarse grained) texture composed of quartz, K-feldspar and
muscovite would best be classified as what? - Answer-Granite
Why is continental crust is not destroyed at convergent plate boundaries? - Answer-
Because its density is too low to allow subduction
Which is generally the last mineral to crystallize in a felsic igneous rock? - Answer-
Quartz
Granite is a good example of an igneous rock that is what? - Answer-Felsic and coarse
grained
What is the asthenosphere made up of? - Answer-A partially melted, putty-like mixture
of rock and magma
What are the three agents of metamorphism? - Answer-Heat, pressure, and fluids
Which country leads the world in the consumption of copper? - Answer-China
Which mineral is most abundant in the crust? - Answer-Silicates
Why has the consumption of sand and gravel increased dramatically in the last 50
years? - Answer-Production of concrete has increased dramatically
In which tectonic environment do most subaerial (above ground) volcanoes form? -
Answer-Subduction zones
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