SFSU ERTH 110 Exam | Questions and Answers According to the textbook reading for this week (Module 1), which definition below would be the best definition of Geology? Geology is the scientific study of the nature, origin and evolution of the Earth and other terrestrial bodies. What are the key di...
According to the textbook reading for this week (Module 1), which definition below
would be the best definition of Geology?
Geology is the scientific study of the nature, origin and evolution of the Earth and other
terrestrial bodies.
What are the key differences between a scientific hypothesis and a scientific theory
according to the lecture? Choose from the following:
A theory is an accumulation of many well-proven and well-accepted hypotheses that
explain why phenomenon occurs.
What are the key differences between a scientific theory and a scientific law/principle
according to the lecture? Choose from the following:
A law explains the process of a phenomenon, but not why it occurs like a theory does.
According to the lecture, what energy source is Earth using primarily for its internal
processes?
Radioactive decay
According to the lecture, what energy source is Earth using primarily for its
external/surficial processes?
Solar energy
Which of the layers listed below is defined as a layer by composition?
Core
Which of the layers listed below is defined as a layer by its physical properties
Lithosphere
Of the choices below, which one represents 100% of the Earth's mantle?
Asthenosphere, Mesosphere and the ultramafic section of the Lithosphere.
Which layer from the choices below generates Earth's magnetic field?
Outer Core
Which layer(s) from the choices below are defined by physical properties and could be
considered a ductile solid?
Asthenosphere & Mesosphere
Which layer defined by physical properties is considered a liquid?
Outer Core
, Which statement below best compares the lithosphere to the asthenosphere according
to the lecture?
The lithosphere is a brittle solid and the asthenosphere is a ductile solid.
Which statement below best compares the crust to the lithosphere according to the
lecture?
The lithosphere is defined by its physical property of being brittle. The crust is defined
by its composition (felsic, intermediate and mafic)
A long, narrow linear or gently curving deep trench, earthquakes to depths of several
hundred kilometers, and volcanoes paralleling the trenches as islands.
Ocean-Ocean Convergent Boundary
A long, narrow linear or gently curving deep trench, earthquakes to depths of several
hundred kilometers, and volcanoes paralleling the trenches on continents.
Continent-Ocean Convergent Boundary
A long, linear rise in the sea-floor with earthquakes and volcanic activity found along its
ridge.
Divergent Boundary
A land or seafloor region with many quakes right along the boundary line. Depth of the
earthquakes are shallow and the topography is not impressive (no real large mountains
or valleys). Volcanic activity is not common along this boundary.
Transform Boundary
Transform Plate Boundary
W
Convergent Plate Boundary
U
Divergent Boundary
X
Shallow Focus Earthquakes
W, X, Y
Deep Focus Earthquakes
U
Ocean Trench
Y
Where do earthquake waves originate from?
The Focus
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