Exam (elaborations)
WGU-C165 Integrated Physical Science exam(252 questions and answers).
WGU-C165 Integrated Physical Science exam(252 questions and answers).
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WGU-C165:Integrated
Physical Science
exam(252
questions and
answers)
Chemistry: - answer The study of atoms and
molecules, their structures, and their interactions
to form various substances.
Physics: - answer The study of forces, energy and
motion.
Earth Science: - answer This field focuses on
Earth's structure and composition, as well as the
,processes that change Earth, such as volcanic and
seismic activity.
Physical Science: - answer The scientific study of
nonliving matter. Ex: chemistry, physics, and Earth
science.
Astronomy: - answer The study of the moon,
stars, and other objects in space.
Controlled Experiment: - answer An experiment in
which only one variable is manipulated at a time..
Independent Variable: - answer The variable that
is manipulated in an experiment.
Dependent Variable: - answer The outcome factor;
the variable that may change in response to
manipulations of the independent variable.
Control Variable: - answer A variable that is kept
constant during a controlled experiment.
Observational Study: - answer The systems are
observed as they appear in nature and researchers
do not attempt to change them.
,Laboratory Experiment: - answer Researchers
study the system of interest in a highly controlled
artificial setting (lab).
Physical Model: - answer A physical
representation of an object. Ex: Scaled down
version of the solar system.
Conceptual Model: - answer A verbal or graphical
explanation for how a system works or is
organized. Ex: posters, charts.
Mathematical Model: - answer Uses different
forms of data to represent the way a system or
process works. Ex: formulas, graphs, mathematical
means. Ex: F=ma (formula).
Computer Model: - answer A computer program
that models an event or object. Important in
explaining and predicting natural phenomena. Ex:
weather patterns, solar system.
Principle of Falsification: - answer Principle that
only falsifiable statements can be subject to
scientific inquiry.
, Hypothesis: - answer A testable prediction, often
implied by a theory.
Theory: - answer A hypothesis that has been
tested with a significant amount of data.
Law: - answer A concise statement that is
supported by scientific evidence and repeated
experiments. Describes a widespread pattern in
nature. Intended to be universal.
Scientific Investigation: - answer Scientists test
their ideas with a variety of different types of
investigations. Ex: laboratories, controlled
experiments, astronomy, field studies, models.
SI System: - answer International System of units
based on the metric system and units derived from
the metric system.
Base Quantities: - answer Seven designated
physical quantities (sets) from which all other SI
quantities can be derived.
(1) Meter (m)-length
(2) Kilogram (k)-mass
(3) Second (s)-time
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