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AICE Marine Science Final Exam Questions with Correct Answers
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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...

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  • September 19, 2024
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  • 2024/2025
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  • aice marine science final exam questions with corr
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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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