WGU C165 – Integrated Physical Sciences | 2025-2026 Complete
Study Guide Summary with Detailed Questions and Correct
Answers||Latest Version!!!Already Graded A+
The temperature at which a solid becomes a liquid - Answer-melting
point
Thermal energy is _____ to change to a solid to a liquid to a gas -
Answer- Absorbed
Thermal energy is ______ when changing from a gas to a liquid to a
solid - Answer- Released
Three types of rocks- Answer- Igneous, sedimentary, metamorphic
Five layers of the atmosphere - Answer-Troposphere, stratosphere,
mesosphere, thermosphere, exosphere
nuclear fusion - Answer-The process by which two or more small
nuclei fuse to make a bigger nucleus
Star- Answer-A ball of hot gas, primarily hydrogen and helium, that
undergoes nuclear fusion. It's held together by its own gravity.
galaxy - Answer-A huge group of single stars, star systems, star
clusters, dust, and gas bound together by gravity
Orbit- Answer-The path of an object as it revolves around another
object in space
The study of energy and forces of matter - Answer-Physics
The study of the properties of matter and how matter changes; atoms,
molecules and their interactions to form substances - Answer-
Chemistry
the study of the moon, stars, and other objects in space - Answer-
astronomy
The scientific study of earth and the universe around it including
structure, materials and processes - Answer-Earth Science
pg. 1
,The experimental factor that is manipulated; the variable whose effect
is being studied. - Answer-independent variable
The measurable effect, outcome, or response in which the research is
interested. - Answer-dependent variable
Structures that scientists build to represent something else. - Answer-
Physical Model
a verbal or graphical explanation for how a system works or is
organized - Answer-conceptual model
A description of a system using mathematical concepts and language
like an equation. - Answer-mathematical model
a computer program that models an event or object - Answer-
computer model
Only falsifiable statements can be subject to scientific inquiry -
Answer-principle of falsification
a statement that is worded so that it is falsifiable, or disprovable, by
experimental results - Answer-falsifiable statement
Concise statement that summarizes the results of many observations
and experiments - Answer-Law
A well-tested explanation for a wide range of observations or
experimental results. - Answer-scientific theory
The theory that the universe originated in a huge explosion that
released all matter and energy. - Answer-Big Bang Theory
Sections of the Earth's crust that move due to convection currents. -
Answer-tectonic plates
The hypothesis that the continents slowly move across Earth's surface.
- Answer-continental drift
International System of units based on the metric system and units
derived from the metric system - Answer-SI system
kilogram (kg) - Answer-SI unit for mass
pg. 2
, meter (m) - Answer-SI unit for length
seconds (s) - Answer-SI unit for time
Kelvin (K) - Answer-SI unit for temperature
prefix used in the International System to indicate a power of 10 -
Answer-SI prefix
centi (c) - Answer-SI prefix meaning 0.01
milli (m) - Answer-SI prefix meaning 0.001
kilo (k) - Answer-SI prefix meaning 1,000
Micro - Answer-SI prefix meaning .000001
Nano (n) - Answer-SI prefix meaning .000000001
Mega (M) - Answer-SI prefix meaning 1,000,000
The distance an object travels per unit of time - Answer-Speed
Amount of space occupied by an object - Answer-Volume
Mass per unit volume - Answer-Density
Mass divided by volume D=m/v - Answer-Density formula
a relationship in which one variable increases with an increase in
another variable or vice versa - Answer-direct relationship
a relationship in which one variable decreases when another variable
increases and vice versa - Answer-inverse relationship
defined in terms of standards - Answer-base quantity
a physical aspect described by a combination of base quantities -
Answer-derived quantity
The speed of an object in a particular direction - Answer-Velocity
Change in velocity divided by the time it takes for the change to occur
- Answer-Acceleration
Speeds up
pg. 3
Study Guide Summary with Detailed Questions and Correct
Answers||Latest Version!!!Already Graded A+
The temperature at which a solid becomes a liquid - Answer-melting
point
Thermal energy is _____ to change to a solid to a liquid to a gas -
Answer- Absorbed
Thermal energy is ______ when changing from a gas to a liquid to a
solid - Answer- Released
Three types of rocks- Answer- Igneous, sedimentary, metamorphic
Five layers of the atmosphere - Answer-Troposphere, stratosphere,
mesosphere, thermosphere, exosphere
nuclear fusion - Answer-The process by which two or more small
nuclei fuse to make a bigger nucleus
Star- Answer-A ball of hot gas, primarily hydrogen and helium, that
undergoes nuclear fusion. It's held together by its own gravity.
galaxy - Answer-A huge group of single stars, star systems, star
clusters, dust, and gas bound together by gravity
Orbit- Answer-The path of an object as it revolves around another
object in space
The study of energy and forces of matter - Answer-Physics
The study of the properties of matter and how matter changes; atoms,
molecules and their interactions to form substances - Answer-
Chemistry
the study of the moon, stars, and other objects in space - Answer-
astronomy
The scientific study of earth and the universe around it including
structure, materials and processes - Answer-Earth Science
pg. 1
,The experimental factor that is manipulated; the variable whose effect
is being studied. - Answer-independent variable
The measurable effect, outcome, or response in which the research is
interested. - Answer-dependent variable
Structures that scientists build to represent something else. - Answer-
Physical Model
a verbal or graphical explanation for how a system works or is
organized - Answer-conceptual model
A description of a system using mathematical concepts and language
like an equation. - Answer-mathematical model
a computer program that models an event or object - Answer-
computer model
Only falsifiable statements can be subject to scientific inquiry -
Answer-principle of falsification
a statement that is worded so that it is falsifiable, or disprovable, by
experimental results - Answer-falsifiable statement
Concise statement that summarizes the results of many observations
and experiments - Answer-Law
A well-tested explanation for a wide range of observations or
experimental results. - Answer-scientific theory
The theory that the universe originated in a huge explosion that
released all matter and energy. - Answer-Big Bang Theory
Sections of the Earth's crust that move due to convection currents. -
Answer-tectonic plates
The hypothesis that the continents slowly move across Earth's surface.
- Answer-continental drift
International System of units based on the metric system and units
derived from the metric system - Answer-SI system
kilogram (kg) - Answer-SI unit for mass
pg. 2
, meter (m) - Answer-SI unit for length
seconds (s) - Answer-SI unit for time
Kelvin (K) - Answer-SI unit for temperature
prefix used in the International System to indicate a power of 10 -
Answer-SI prefix
centi (c) - Answer-SI prefix meaning 0.01
milli (m) - Answer-SI prefix meaning 0.001
kilo (k) - Answer-SI prefix meaning 1,000
Micro - Answer-SI prefix meaning .000001
Nano (n) - Answer-SI prefix meaning .000000001
Mega (M) - Answer-SI prefix meaning 1,000,000
The distance an object travels per unit of time - Answer-Speed
Amount of space occupied by an object - Answer-Volume
Mass per unit volume - Answer-Density
Mass divided by volume D=m/v - Answer-Density formula
a relationship in which one variable increases with an increase in
another variable or vice versa - Answer-direct relationship
a relationship in which one variable decreases when another variable
increases and vice versa - Answer-inverse relationship
defined in terms of standards - Answer-base quantity
a physical aspect described by a combination of base quantities -
Answer-derived quantity
The speed of an object in a particular direction - Answer-Velocity
Change in velocity divided by the time it takes for the change to occur
- Answer-Acceleration
Speeds up
pg. 3
