GLY 108 Exam 1 & 3
questions and answers
a scientific theory is a synthesis of many hypothesis that has? -
answer withstood all tests
the difference between a scientific theory and a scientific law (fact)
is? - answer a theory is subject to testing, a law is a scientific
description of a relationship
geology, as a science, is best described as? - answer a synthesis of
many sciences, applied to earth and other planets
a critical piece of the scientific method, absent from what would be
considered speculation, is? - answer evidence
a hypothesis is? - answer a possible explanation for a set of
observations
what is unscientific about the following statement made in 1954?
"ancient aliens built the pyramids in Egypt and the aztec temples of
Mexico." - answer the statement is non-falsifiable
which of the following is NOT evidence Wegener used to construct
the idea of continental drift? - answer earthquake locations lined up
w/ crustal features
why did Alfred Wegener never get the scientific community's
support for his continental drift hypothesis during his lifetime? -
answer he could not provide a mechanism for how continents moved
, which layer of the earth can move internally or flow to allow the
plates to move around on it? - answer asthenosphere
harry hess's seafloor spreading hypothesis was supported by the
discovery of? - answer magnetic rock polarities ("stripes") on the
seafloor
why do continents generally NOT subduct? - answer continents are
too low in density to subduct
the global occurrence of earthquakes reveals that? - answer they
usually occur on the boundaries of plates or at hot spots
what feature is associated w/ divergence plate boundaries? - answer
mid-ocean ridge
why do high mountains like th Himalayas form when continental
plates collide? - answer the materials of continental plates are
similar in density and don't subduct beneath one another
how is magma generated at divergent boundaries? - answer
decreased pressure
what makes transform boundaries different than other boundaries? -
answer transform has less volcanoes
we are not able to get rocks from the earth's interior. what is the
most direct source of information that allows us to draw conclusions
about the interior all the way to the inner core? - answer seismic
waves
which plate boundary has very frequent, low to high magnitude, and
shallow to deep earthquakes? - answer convergent
questions and answers
a scientific theory is a synthesis of many hypothesis that has? -
answer withstood all tests
the difference between a scientific theory and a scientific law (fact)
is? - answer a theory is subject to testing, a law is a scientific
description of a relationship
geology, as a science, is best described as? - answer a synthesis of
many sciences, applied to earth and other planets
a critical piece of the scientific method, absent from what would be
considered speculation, is? - answer evidence
a hypothesis is? - answer a possible explanation for a set of
observations
what is unscientific about the following statement made in 1954?
"ancient aliens built the pyramids in Egypt and the aztec temples of
Mexico." - answer the statement is non-falsifiable
which of the following is NOT evidence Wegener used to construct
the idea of continental drift? - answer earthquake locations lined up
w/ crustal features
why did Alfred Wegener never get the scientific community's
support for his continental drift hypothesis during his lifetime? -
answer he could not provide a mechanism for how continents moved
, which layer of the earth can move internally or flow to allow the
plates to move around on it? - answer asthenosphere
harry hess's seafloor spreading hypothesis was supported by the
discovery of? - answer magnetic rock polarities ("stripes") on the
seafloor
why do continents generally NOT subduct? - answer continents are
too low in density to subduct
the global occurrence of earthquakes reveals that? - answer they
usually occur on the boundaries of plates or at hot spots
what feature is associated w/ divergence plate boundaries? - answer
mid-ocean ridge
why do high mountains like th Himalayas form when continental
plates collide? - answer the materials of continental plates are
similar in density and don't subduct beneath one another
how is magma generated at divergent boundaries? - answer
decreased pressure
what makes transform boundaries different than other boundaries? -
answer transform has less volcanoes
we are not able to get rocks from the earth's interior. what is the
most direct source of information that allows us to draw conclusions
about the interior all the way to the inner core? - answer seismic
waves
which plate boundary has very frequent, low to high magnitude, and
shallow to deep earthquakes? - answer convergent