ESSENTIALS OF OCEANOGRAPHY
CERTIFICATION EVALUATION EXAMS SET
FULL QUESTIONS AND COMPLETE
SOLUTION
●● principal goal of science
Answer: To explain the causes and effects of observable natural
phenomena
●● what is supported by the nebular hypothesis regarding the formation
of our solar system?
Answer: The Sun became a star when its temperature and density
became so great that nuclear fusion began.
●● the lithosphere consists of earth's:
Answer: crust and uppermost mantle
●● largest natural geographic feature on earth
Answer: pacific ocean
●● Which ocean basin is currently covered by extensive sea ice for
much of the year?
Answer: arctic
,●● Waters from which ocean basins combine to form the Southern
Ocean?
Answer: atlantic, pacific, indian
●● least studied ocean
Answer: southern ocean
●● continental and oceanic crust are mainly made of
Answer: igenous rocks
●● continental crust's color is
Answer: light
●● which is more dense, oceanic or continental crust
Answer: oceanic crust
●● based off isostatic adjustment, what 3 things would uplift earth's
lithosphere
Answer: if lithosphere became less dense, heated by hot asthenosphere,
thickened by mountain building
●● The magnesium-silicate rocks of Earth's mantle exist in both
,Answer: solid and molten form
●● The mesosphere and the asthenosphere have the same
Answer: chemical composition.
●● water in earths oceans most likely came from
Answer: dominantly from volcanic outgassing with small contributions
from comets
●● what ocean is the second largest
Answer: atlantic
●● shallowest ocean
Answer: arctic
●● during radioactive decay what happens
Answer: parent isotopes turn into daughter isotopes
●● scientific definition of half life
Answer: the amount of time over which the number of parent isotopes
decreases by half
●● periodic reversals of earths magnetic field have resulted in
, Answer: a symmetrical pattern of normal and reverse magnetization in
ocean crustal rocks
●● earthquakes can only occur in the ___ because ___
Answer: lithosphere, because only one cool and rigid enough
●● Numerous small, shallow earthquakes tend to occur at __________.
Answer: divergent plate boundaries
●● what plate boundary is iceland on
Answer: divergent
●● A trench and a chain of volcanoes known generally as a volcanic arc
are always present where there is __________.
Answer: divergent plate boundary
●● Which is an example of a nematath?
Answer: Hawaiian Islands-Emperor Seamount Chain
●● The flat top of a guyot or tablemount in deep water is evidence that
__________.
CERTIFICATION EVALUATION EXAMS SET
FULL QUESTIONS AND COMPLETE
SOLUTION
●● principal goal of science
Answer: To explain the causes and effects of observable natural
phenomena
●● what is supported by the nebular hypothesis regarding the formation
of our solar system?
Answer: The Sun became a star when its temperature and density
became so great that nuclear fusion began.
●● the lithosphere consists of earth's:
Answer: crust and uppermost mantle
●● largest natural geographic feature on earth
Answer: pacific ocean
●● Which ocean basin is currently covered by extensive sea ice for
much of the year?
Answer: arctic
,●● Waters from which ocean basins combine to form the Southern
Ocean?
Answer: atlantic, pacific, indian
●● least studied ocean
Answer: southern ocean
●● continental and oceanic crust are mainly made of
Answer: igenous rocks
●● continental crust's color is
Answer: light
●● which is more dense, oceanic or continental crust
Answer: oceanic crust
●● based off isostatic adjustment, what 3 things would uplift earth's
lithosphere
Answer: if lithosphere became less dense, heated by hot asthenosphere,
thickened by mountain building
●● The magnesium-silicate rocks of Earth's mantle exist in both
,Answer: solid and molten form
●● The mesosphere and the asthenosphere have the same
Answer: chemical composition.
●● water in earths oceans most likely came from
Answer: dominantly from volcanic outgassing with small contributions
from comets
●● what ocean is the second largest
Answer: atlantic
●● shallowest ocean
Answer: arctic
●● during radioactive decay what happens
Answer: parent isotopes turn into daughter isotopes
●● scientific definition of half life
Answer: the amount of time over which the number of parent isotopes
decreases by half
●● periodic reversals of earths magnetic field have resulted in
, Answer: a symmetrical pattern of normal and reverse magnetization in
ocean crustal rocks
●● earthquakes can only occur in the ___ because ___
Answer: lithosphere, because only one cool and rigid enough
●● Numerous small, shallow earthquakes tend to occur at __________.
Answer: divergent plate boundaries
●● what plate boundary is iceland on
Answer: divergent
●● A trench and a chain of volcanoes known generally as a volcanic arc
are always present where there is __________.
Answer: divergent plate boundary
●● Which is an example of a nematath?
Answer: Hawaiian Islands-Emperor Seamount Chain
●● The flat top of a guyot or tablemount in deep water is evidence that
__________.
