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AICE MARINE SCIENCE Past Papers
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AICE MARINE SCIENCE Past Papers
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AICE MARINE SCIENCE Past PapersScientific Method ✔✔A series of steps that are used to investigate and test a
hypothesis.
Hypothesis ✔✔An explanation of an observation that can be tested through
experimentation.
Variable ✔✔A condition in an experiment that can be controlled or changed.
Theory ✔✔A well substantiated explanation of an aspect of the natural world
that has been repeatedly tested and confirmed through observation and
experimentation.
Refute ✔✔submitting evidence that shows that a hypothesis is not correct.
Qualitative Data ✔✔descriptive data about a variable
Quantitative Data ✔✔numerical data that give the quantity, amount or range of
a variable
Prediction ✔✔a statement of the expected results in an experiment based on
the hypothesis being tested
Independent variables ✔✔the variable being changed in an experiment
(changed by the scientist)
, Dependent variables ✔✔the variable being measured in an experiment
(changes in response to a change in the independent variable)
Control Group ✔✔a group within an experiment or study that receives exactly
the same treatment as the experimental group with the exception of the variable
being tested.
Control variables ✔✔variables that are not being tested but that must be kept
the same in case they affect the experiment
Confounding variables ✔✔a variable that could affect the dependent variable.
In laboratory experiments these are the variables that must be controlled. In field
experiments they are normally just measured and recorded
Reliable ✔✔results that can be replicated by other people
Anomaly ✔✔a result or observation that deviates from what is normal or
expected. In experimental results it normally refers to one repeated results that
does not fit the pattern of the others.
Parasitism ✔✔a relationship between two organisms where one obtains benefit
at the expense of the other
Competition ✔✔a relationship between two organisms were both species are
negatively affected by trying to feel the same ecological niche
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