MSCI101 Final Exam Homework Review
2024 Update | MSCI 101 Exam Update
Latest 2024-2025 Questions and Correct
Answers Rated A+
A _____________ is a tentative, testable statement about the general
nature of the phenomena observed.
a. experiment
b. test
c. law
d. hypothesis -ANSWER-d. hypothesis
Because Earth has layers (like an onion), we say that Earth is
_________________ with the densest material in the core and the
less dense material on the crust.
a. homogeneous
b. anaerobic
c. tidally mixed
d. density stratified -ANSWER-d. density stratified
We can use _____________ to determine the age of rocks on Earth
(and therefore the age of the Earth itself).
a. The Doppler Effect
b. radiometric dating
c. Telescopes
d. Nuclear fusion -ANSWER-b. radiometric dating
The _____________ depicts the stages of ocean basin development,
from the beginning to the end.
a. Walter Cycle
,b. Wilson Cycle
c. Spreading Cycle
d. Walken Cycle -ANSWER-b. Wilson Cycle
What happened to Earth's 1st atmosphere?
a. It was burned off by solar radiation.
b. Earth has never had an atmosphere.
c. The Big Bang caused it to disappear.
d. Nothing, Earth has always had the same atmosphere. -ANSWER-a.
It was burned off by solar radiation.
Mathematically, density is defined as ____________. In common
terms, density refers to how heavy something is for it's size.
a. mass per unit thickness
b. mass per unit volume
c. volume per unit mass
d. mass per unit velocity -ANSWER-b. mass per unit volume
Oceanic crust is made up of denser__________, while continental
crust is made up of less dense_________.
a. Borite, Granite
b. Granite ; Basalt
c. Basalt ; Granite
d. Basalt ; Jade -ANSWER-c. Basalt ; Granite
Convergent plate boundaries can cause:
a. Mid-ocean ridges, young lava flows, strike and slip faults.
b. Continental rifting, passive margins, fracture zones.
c. Non-volcanic mountains, volcanic mountains, trenches, volcanic
island arcs
d. None of the above. -ANSWER-c. Non-volcanic mountains, volcanic
mountains, trenches, volcanic island arcs
, Some of the biggest waves in the world are caused by:
a. Ice formation in the Arctic Ocean
b. Mid-ocean ridges
c. Isostatic rebound
d. Differences in the bottom topography of the continental shelf (i.e.
large submarine canyons) -ANSWER-d. Differences in the bottom
topography of the continental shelf (i.e. large submarine canyons)
The state of Hawaii would not exist if it did not have a ________.
a. Mantle plume created by the spreading center that is in close
proximity to Hawaii.
b. Mantle plume created from deep within the Earth at the core/mantle
interface.
c. Large trench that is in close proximity to Hawaii.
d. Mantle plume created by the subduction of the Pacific Plate. -
ANSWER-b. Mantle plume created from deep within the Earth at the
core/mantle interface.
__________involves measuring the vertical distance from the ocean's
surface to the bottom of the seafloor.
a. Geography
b. Bathymetry
c. Turbidity
d. Paleo-Oceanography -ANSWER-b. Bathymetry
Passive continental margins are characterized by all of the following
except:
a. broad continental shelves
b. large amounts of sediment build-up on the continental shelves
c. deep-sea trenches
d. very little seismic activity -ANSWER-c. deep-sea trenches
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