MCB4271
WGU C165 Integrated Physical Sciences
Exam Study Guide 2025-2026
Physics -Correct Answer ✔The study of forces, energy, motion
Chemistry -Correct Answer ✔The study of atoms and molecules, their structures, and
their interactions to form substances
Earth science -Correct Answer ✔The study of the Earth's structure and composition, and
processes that change Earth
essential attributes of science -Correct 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 -Correct Answer ✔The changing quantities in an experiment
independent variable -Correct Answer ✔What you change in an experiment on purpose
dependent variable -Correct Answer ✔The variable that changes because of an
independent variable
control variable -Correct Answer ✔The variable(s) you don't want to study, need to be
either eliminated or kept constant
MCB4271
,MCB4271
observational study -Correct Answer ✔When systems are observed as they appear in
nature, researchers do not attempt to change them
physical model -Correct Answer ✔A model of a physical phenomenon, such as a
planetary system
conceptual model -Correct Answer ✔A model used to visualize things that cannot be
seen, such as atoms
mathematical model -Correct Answer ✔A model that treats physical objects/phenomena
using mathematical methods
computer model -Correct Answer ✔A detailed, complex model calculated by a computer
principle of falsification -Correct Answer ✔Principle that only falsifiable statements can
be subject to scientific inquiry
hypothesis -Correct Answer ✔A testable statement about how something in nature
works
law -Correct Answer ✔A concise statement that is supported by scientific evidence and
repeated experiments, describes a widespread pattern in nature (what)
theory -Correct Answer ✔A statement that explains a wide range of observations,
supported by a large body of scientific evidence (how/why)
meter -Correct Answer ✔Base unit of length
MCB4271
, MCB4271
kilogram -Correct Answer ✔Base unit of mass
second -Correct Answer ✔Base unit of time
kelvin -Correct Answer ✔Base unit of temperature
Derived units -Correct Answer ✔What is produced when the base units/quantities are
combined
Speed -Correct Answer ✔The name for the distance traveled divided by an interval of
time
Volume -Correct Answer ✔Term for the amount of space an object occupies
Liquid displacement -Correct Answer ✔Method of determining the volume of an object
by measuring the amount of liquid it displaces
direct relationship -Correct Answer ✔A relationship between two variables where
increasing one increases the other, and vice versa
inverse relationship -Correct Answer ✔A relationship between two variables where
increasing one decreases the other, and vice versa
Velocity -Correct Answer ✔A combination of speed and direction
MCB4271
WGU C165 Integrated Physical Sciences
Exam Study Guide 2025-2026
Physics -Correct Answer ✔The study of forces, energy, motion
Chemistry -Correct Answer ✔The study of atoms and molecules, their structures, and
their interactions to form substances
Earth science -Correct Answer ✔The study of the Earth's structure and composition, and
processes that change Earth
essential attributes of science -Correct 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 -Correct Answer ✔The changing quantities in an experiment
independent variable -Correct Answer ✔What you change in an experiment on purpose
dependent variable -Correct Answer ✔The variable that changes because of an
independent variable
control variable -Correct Answer ✔The variable(s) you don't want to study, need to be
either eliminated or kept constant
MCB4271
,MCB4271
observational study -Correct Answer ✔When systems are observed as they appear in
nature, researchers do not attempt to change them
physical model -Correct Answer ✔A model of a physical phenomenon, such as a
planetary system
conceptual model -Correct Answer ✔A model used to visualize things that cannot be
seen, such as atoms
mathematical model -Correct Answer ✔A model that treats physical objects/phenomena
using mathematical methods
computer model -Correct Answer ✔A detailed, complex model calculated by a computer
principle of falsification -Correct Answer ✔Principle that only falsifiable statements can
be subject to scientific inquiry
hypothesis -Correct Answer ✔A testable statement about how something in nature
works
law -Correct Answer ✔A concise statement that is supported by scientific evidence and
repeated experiments, describes a widespread pattern in nature (what)
theory -Correct Answer ✔A statement that explains a wide range of observations,
supported by a large body of scientific evidence (how/why)
meter -Correct Answer ✔Base unit of length
MCB4271
, MCB4271
kilogram -Correct Answer ✔Base unit of mass
second -Correct Answer ✔Base unit of time
kelvin -Correct Answer ✔Base unit of temperature
Derived units -Correct Answer ✔What is produced when the base units/quantities are
combined
Speed -Correct Answer ✔The name for the distance traveled divided by an interval of
time
Volume -Correct Answer ✔Term for the amount of space an object occupies
Liquid displacement -Correct Answer ✔Method of determining the volume of an object
by measuring the amount of liquid it displaces
direct relationship -Correct Answer ✔A relationship between two variables where
increasing one increases the other, and vice versa
inverse relationship -Correct Answer ✔A relationship between two variables where
increasing one decreases the other, and vice versa
Velocity -Correct Answer ✔A combination of speed and direction
MCB4271
