WGU C165 OA EXAM INTEGRATED PHYSICAL SCIENCES OA ACTUAL EXAM QUESTION BANK 400
QUESTIONS AND CORRECT DETAILED 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.
,WGU C165 OA EXAM INTEGRATED PHYSICAL SCIENCES OA ACTUAL EXAM QUESTION BANK 400
QUESTIONS AND CORRECT DETAILED ANSWERS
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
, WGU C165 OA EXAM INTEGRATED PHYSICAL SCIENCES OA ACTUAL EXAM QUESTION BANK 400
QUESTIONS AND CORRECT DETAILED ANSWERS
(4) Kelvin (K)-temperature
(5) Amperes (A)-"amp"-electric current
(6) Candela (cd)-light intensity
(7) Moles (mol)-amount of substance
Time: - (answer) Base quantity that measures how long an event lasts or the break between events.
Length: - (answer) Used to describe the distance between two objects, or the two ends of an object.
Mass: - (answer) Used to describe the amount of matter in an object.
Temperature: - (answer) A measure of how hot or cold something is.
Gram: - (answer) a metric unit of mass equal to one thousandth of a kilogram.
Meter: - (answer) The base unit of length in the metric system. Unit symbol (m).
Liter: - (answer) Basic unit of volume in the metric system. Unit symbol (l).
Second: - (answer) SI base unit for time. Unit symbol (s).
Kelvin: - (answer) Si base unit of temperature. Unit symbol (K).
Mega: - (answer) Metric prefix one million of the base unit. 10^6 Unit symbol (M).
Kilo: - (answer) Metric prefix 1/1000 or 10^3. Unit symbol (k).
Deci: - (answer) Metric prefix 1/10th or 10^(-1) (0.1). Unit symbol (d).
QUESTIONS AND CORRECT DETAILED 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.
,WGU C165 OA EXAM INTEGRATED PHYSICAL SCIENCES OA ACTUAL EXAM QUESTION BANK 400
QUESTIONS AND CORRECT DETAILED ANSWERS
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
, WGU C165 OA EXAM INTEGRATED PHYSICAL SCIENCES OA ACTUAL EXAM QUESTION BANK 400
QUESTIONS AND CORRECT DETAILED ANSWERS
(4) Kelvin (K)-temperature
(5) Amperes (A)-"amp"-electric current
(6) Candela (cd)-light intensity
(7) Moles (mol)-amount of substance
Time: - (answer) Base quantity that measures how long an event lasts or the break between events.
Length: - (answer) Used to describe the distance between two objects, or the two ends of an object.
Mass: - (answer) Used to describe the amount of matter in an object.
Temperature: - (answer) A measure of how hot or cold something is.
Gram: - (answer) a metric unit of mass equal to one thousandth of a kilogram.
Meter: - (answer) The base unit of length in the metric system. Unit symbol (m).
Liter: - (answer) Basic unit of volume in the metric system. Unit symbol (l).
Second: - (answer) SI base unit for time. Unit symbol (s).
Kelvin: - (answer) Si base unit of temperature. Unit symbol (K).
Mega: - (answer) Metric prefix one million of the base unit. 10^6 Unit symbol (M).
Kilo: - (answer) Metric prefix 1/1000 or 10^3. Unit symbol (k).
Deci: - (answer) Metric prefix 1/10th or 10^(-1) (0.1). Unit symbol (d).
