AICE Marine Science Final Exam Questions with Correct Answers
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Course
Marine Science
Institution
Marine Science
Continental Drift - Answer-A theory supporting the possibility that continents are able to move over Earth's surface
Plate tectonics - Answer-the process where large sections (plates) of the Earth's crust are in constant movement over the fluid mantle, causing earthquakes and volcanoes at the bo...
AICE Marine Science Final Exam
Questions with Correct Answers
Continental Drift - Answer-A theory supporting the possibility that continents are able to
move over Earth's surface
Plate tectonics - Answer-the process where large sections (plates) of the Earth's crust
are in constant movement over the fluid mantle, causing earthquakes and volcanoes at
the borders between the plates
Lithosphere - Answer-The outermost layer of the Earth's crust
Asthenosphere - Answer-a nearly liquid layer made of the uppermost part of the mantle
Mantle - Answer-A region of molten rock within the interior of the Earth, between the
core and the crust
Convection current - Answer-The movement of fluids or air based on density differences
caused by differing temperature
Convergent boundary - Answer-When two or more tectonics plates come together
Subduction - Answer-The process where one lithospheric plates slides below another at
a convergent plate boundary
Trench - Answer-A long, narrow and deep depression on the ocean floor with relatively
steep sides, caused by convergent plate boundaries
Volcano - Answer-A mountain or hill with a carter or vent through which lava, rock
fragments, hot vapour and gas are being forced from the Earth's crust
Earthquake - Answer-A sudden release of energy inside the Earth that creates seismic
waves usually caused by the movement of tectonic plates or volcanic activity
Tsunami - Answer-A seismic sea wave created by an underwater earthquake or
volcanic event, not noticeable in the open ocean but building to great heights in shallow
water
Divergent boundary - Answer-Where two tectonic plates are moving away from each
other
Mid-Ocean ridge - Answer-A mountain range with a central valley on an ocean floor at
the boundary between two diverging tectonic plates, where new crust forms from
upwelling magma
,Transform boundary - Answer-When two plates are moving in an antiparallel direction,
creating friction between them
Abyssal plain - Answer-A flat, sandy region of the ocean floor found between trenches
and the continental rise
Hydrothermal vents - Answer-An area where cold ocean water that has seeped into the
Earth's crust is superheated by underlying magma and forced through vents in the
ocean floor
Continental margin - Answer-The submerged area next to a continent, which includes
the continental shelf, continental slope and continental rise
Continental shelf - Answer-A gently sloping surface that extends from the low tide line to
the continental slope, typically where a great deal of sand deposits
Continental slope - Answer-A relatively steep sloping surface between the continental
shelf and the continental rise
Continental rise - Answer-A gently sloping surface at the base of the continental slope
where sand deposits
Isostasy - Answer-A process similar to buoyancy but related to the Earth's crust floating
on the flexible mantle
Littoral zone - Answer-The benthic, or bottom, zone between the highest and lowest
spring tide shorelines, also referred to as the intertidal zone
Morphology - Answer-The study of the forms of things
Erosion - Answer-A natural process where material is worn away from the Earth's
surface and transported elsewhere
Desposition - Answer-A geological process where sediments, soil and rocks are added
to a landform or land mass
Delta - Answer-A low-lying triangular area at the mouth of a river formed by the
deposition of sediments
Zonation - Answer-A separation of organisms in a habitat into definite zones or bands
according to biological and physical factors, common in rocky shore habitats
Desiccation - Answer-The process of drying out or losing moisture
, Infauna - Answer-Animals living within the sediments of the ocean floor, river or lake
beds
Sedimentation - Answer-The act or process of depositing sediment from a solution (e.g.
seawater)
Hypothesis - Answer-An explanation of an observation that can be tested through
experimentation
Variable - Answer-A condition in an experiment that can be controlled or changed
Theory - Answer-a well-substantiated explanation of some aspect of the natural world
Refute - Answer-Submitting evidence that shows that a hypothesis is not correct
Qualitative Data - Answer-Descriptive data about a variable, for example color or
behavior
Quantitative data - Answer-Numerical data that give the quantity, amount or range of a
variable
Prediction - Answer-A statement of the expected results in an experiment based on the
hypothesis being tested
Independent variable - Answer-The variable being changed in an experiment
Dependent variable - Answer-The variable being measured in an experiment
Control group - Answer-A group within an experiment or study that receives exactly the
same treatment as the experimental groups with the exception of the variable being
tested
Control variables - Answer-Variables that are not being tested but that must kept the
same in case they affect the experiment
Confounding variable - Answer-A variable that could affect the dependent variable. In
laboratory experiments these are the variables that must controlled. In field experiments
they are normally just measured and recorded.
Reliable - Answer-Results that can be replicated by other people
Anomaly - Answer-A result or observation that deviates from what is normal or
expected. In experimental result it normally refers to one repeated result that does not fit
the pattern of the others
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