WGU C165 OA Exam 2026 – Integrated
Physical Sciences Official Assessment
(OA) Complete Question Bank | 100%
Real Exam-Based Practice Test, Verified
Answers, and Concept Review for
Western Governors University Students
Physics - ANSWER-The study of forces, energy, motion
Chemistry - ANSWER-The study of atoms and molecules, their structures, and
their interactions to form substances
Earth science - ANSWER-The study of the Earth's structure and composition, and
processes that change Earth
essential attributes of science - ANSWER-Studies the natural world
Uses testable ideas
Relies on data from observations/experiments
Presented for evaluation by other scientists
Leads to further questions/research
,variables - ANSWER-The changing quantities in an experiment
independent variable - ANSWER-What you change in an experiment on purpose
dependent variable - ANSWER-The variable that changes because of an
independent variable
control variable - ANSWER-The variable(s) you don't want to study, need to be
either eliminated or kept constant
observational study - ANSWER-When systems are observed as they appear in
nature, researchers do not attempt to change them
physical model - ANSWER-A model of a physical phenomenon, such as a planetary
system
conceptual model - ANSWER-A model used to visualize things that cannot be
seen, such as atoms
mathematical model - ANSWER-A model that treats physical objects/phenomena
using mathematical methods
computer model - ANSWER-A detailed, complex model calculated by a computer
, principle of falsification - ANSWER-Principle that only falsifiable statements can be
subject to scientific inquiry
hypothesis - ANSWER-A testable statement about how something in nature works
law - ANSWER-A concise statement that is supported by scientific evidence and
repeated experiments, describes a widespread pattern in nature (what)
theory - ANSWER-A statement that explains a wide range of observations,
supported by a large body of scientific evidence (how/why)
meter - ANSWER-Base unit of length
kilogram - ANSWER-Base unit of mass
second - ANSWER-Base unit of time
kelvin - ANSWER-Base unit of temperature
Derived units - ANSWER-What is produced when the base units/quantities are
combined
Speed - ANSWER-The name for the distance traveled divided by an interval of time
Physical Sciences Official Assessment
(OA) Complete Question Bank | 100%
Real Exam-Based Practice Test, Verified
Answers, and Concept Review for
Western Governors University Students
Physics - ANSWER-The study of forces, energy, motion
Chemistry - ANSWER-The study of atoms and molecules, their structures, and
their interactions to form substances
Earth science - ANSWER-The study of the Earth's structure and composition, and
processes that change Earth
essential attributes of science - ANSWER-Studies the natural world
Uses testable ideas
Relies on data from observations/experiments
Presented for evaluation by other scientists
Leads to further questions/research
,variables - ANSWER-The changing quantities in an experiment
independent variable - ANSWER-What you change in an experiment on purpose
dependent variable - ANSWER-The variable that changes because of an
independent variable
control variable - ANSWER-The variable(s) you don't want to study, need to be
either eliminated or kept constant
observational study - ANSWER-When systems are observed as they appear in
nature, researchers do not attempt to change them
physical model - ANSWER-A model of a physical phenomenon, such as a planetary
system
conceptual model - ANSWER-A model used to visualize things that cannot be
seen, such as atoms
mathematical model - ANSWER-A model that treats physical objects/phenomena
using mathematical methods
computer model - ANSWER-A detailed, complex model calculated by a computer
, principle of falsification - ANSWER-Principle that only falsifiable statements can be
subject to scientific inquiry
hypothesis - ANSWER-A testable statement about how something in nature works
law - ANSWER-A concise statement that is supported by scientific evidence and
repeated experiments, describes a widespread pattern in nature (what)
theory - ANSWER-A statement that explains a wide range of observations,
supported by a large body of scientific evidence (how/why)
meter - ANSWER-Base unit of length
kilogram - ANSWER-Base unit of mass
second - ANSWER-Base unit of time
kelvin - ANSWER-Base unit of temperature
Derived units - ANSWER-What is produced when the base units/quantities are
combined
Speed - ANSWER-The name for the distance traveled divided by an interval of time
