Ocean 115 - Introduction to Oceanography » Winter 2022 » Week 1 Post-reading Quiz
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Question #1
The water for Earth’s ocean originated from __________.
A.
The sun
B.
Volcanic activity and other planets
C.
Other planets
D.
Volcanic activitiy and comets
E.
Solar nebulae
Question #2
The process by which stars form helium atoms from hydrogen is _______.
A.
Nuclear fusion
B.
Compression
C.
Condensation
D.
Density Stratification
E.
Accretion
Question #3
Earth’s early atmosphere contained high concentrations of ____.
A.
Methane and ammonia
B.
Carbon dioxide, water vapor and nitrogen
C.
Carbon dioxide and oxygen
D.
Oxygen and nitrogen
E.
Oxygen and methane
Question #4
What had the most influence in irreversibly changing Earth's atmosphere?
A.
Chemcial break up of water vapor by sunlight
B.
Anaerobic respiration by deep sea organisms
C.
Fluctuation in cosmic ray
D.
Formation of carbonic acid in the ocean
E.
Production of oxygen from photosythesizing cyanobacteria
Question #5
Which extreme environment may have favored the origin of life on Earth?
A.
Estuarine bays
B.
Hydrothermal vents
C.
Rainforest sediments
D.
Polar sea ice
E.
Dry mountain rocky outcrops
Question #6
Which condition is necessary for a planet to have a permanent liquid ocean?
A.
Optimum distance from star
B.
Double sun
C.
Low gravity
D.
Toxic atmosphere
E.
Irregular orbit
Question #7
Through gravitational compression, Earth’s layers were formed by the process of ____.
A.
Plate Tectonics
B.
Subduction
C.
Density Stratification
D.
Condensation
E.
Accretion
Question #8
What could ultimately be linked to the present absence of water on Mars?
A.
Lack of free oxygen in the atmosphere
B.
Proximity of the sun
C.
Large decrease in atmospheric carbon dioxide
D.
The presence of a strong magnetic field
E.
Excess atmospheric carbon dioxide
Question #9
The dependence of all living cells on ____ to survive strongly suggests that simple, living molecules originated in the ocean.
A.
Carbon dioxide
B.
Fresh water
C.
Methane
D.
Saline water
E.
Oxygen
Question #10
If there is a three hour difference between "clock" noon and "shaft" noon, how many degrees west are you from your point of origin? Assume one rotation of 360°/24 hours = 15°/hour.
A.
180 degrees
B.
15 degrees
C.
90 degrees
D.
30 degrees
E.
45 degrees
Question #11
Which option lists the three forces that cause the plates to move?
A.
Convection in the mantle, slab pull and ridge push
B.
Conduction, Convection and Radiative
C.
Convergence, Divergence and Transformative
D.
Centripetal, Centrifugal and Convection currents
Question #12
Which concept describes early Earth as separated into layers by gravity, with each deeper layer denser than the layer above?
A.
Continental Drift
B.
Tectonic Theory
C.
Seismology
D.
Density stratification
Question #13
As mountains erode, how will isostatic forces cause Earth's crust beneath the mountain to behave?
A.
Sink
B.
Spread out
C.
Rise
D.
Stay the same
Question #14
Oceanographers and seismologists further explored the theory of continental drift during the early- to mid-twentieth century by correlating patterns of earthquakes and ____.
A.
Isostatic equilibrium
B.
Convection currents
C.
D.
Volcanoes
E.
Tectonic plates
Question #15
Where is the youngest seafloor found?
A.
At mid-ocean ridges
B.
Not enough information to tell
C.
This is a trick questions. All the seafloor is the same age.
D.
At continental marrgins where the seafllor abuts the continent
Question #16
The compressional movement of plate boundaries, such as observed at the Juan De Fuca plate, is representative of which type of boundary?
A.
Transform
B.
Spreading center
C.
Convergent
D.
Divergent
Question #17
At what type of Plate Boundary do earthquakes occur at multiple depths: shallow, intermediate and sometimes also deep?
A.
Transform
B.
Divergent
C.
Mid-ocean ridges
D.
Subduction zones
Question #18
Which landscape is an example of a divergent boundary?
A.
Mid-Atlantic Ridge
B.
San Andreas
C.
Cascade Mountains
D.
Aleutian Islands
Question #19
The lateral movement at transform boundaries causes what type of force?
A.
Extension
B.
Shear
C.
Torque
D.
Compression
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