SFSU EARTH 310 Exam
According to the lecture, which definition below would be the best definition of Geology?
Geology is the scientific study of the Earth, Moon and other terrestrial bodies including
its origin and evolution, composition, and the processes that act on them.
Choose the best definition for the scientific method below:
A systematic method that scientists use to aid in understanding phenomenon better.
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