C165 WGU EXAM WITH CORRECT
ANSWERS 2025
Chemistry ( correct answers ) the study of atoms and molecules, their
and their interactions to form
structures
substances
Physics ( correct answers ) the study of forces and
energy
Earth Science ( correct answers ) Earth's structure and composition
and Earth's
change
s
controlled experiment ( correct answers ) An experiment in which only
one
is manipulated
variable at a
time.
independent variable ( correct answers ) The variable being changed
or controlled
by the
experimenter
dependent variable ( correct answers ) The outcome factor; the
variable in
change that may to manipulations of the independent
response
variable.
control variable ( correct answers ) A variable that is kept constant
during a
controlled
experiment.
observational study ( correct answers ) observes individuals
and measures
variables of interest but does not attempt to influence the
responses
laboratory experiment ( correct answers ) Experiment in which
conditions
highly controlled
are in an artificial
environment
Physical Model ( correct answers ) A physical representation of an
Prototypes and appearance models are physical
object.
models.
conceptual model( correct answers ) a verbal or graphical explanation
for how works
system a or is
organized
mathematical model ( correct answers ) one or more equations that
represent
way a system
the or process works
(formulas)
computer model ( correct answers ) detailed computer programs that
solve a set
complex mathematical
of
formulas
GRADED
A+
, principle of falsification ( correct answers ) a scientific theory must lead to
testable hypotheses that can be disproved if they are wrong
Hypothesis ( correct answers ) A testable prediction, often implied by
a theory
Theory ( correct answers ) a statement that attempts to explain why
things are the way they are and happen the way they do. supported by
scientific evidence
Law ( correct answers ) Statement supported by scientific evidence
and repeated experiments
scientific investigation ( correct answers ) plan for asking questions
and testing possible answers
derived quantities( correct answers )
area- Speed - m/s
m2
volume-
density- kg/m3
m3
SI system ( correct answers ) International System of units based on
the metric system and units derived from the metric system
meters ( correct answers ) (m) base unit for
length
Second ( correct answers ) (s) SI base unit
for time
Kelvin ( correct answers ) SI unit for
temperature
mega ( correct answers )
10
M
1,000,0
^6
00
kilo ( correct answers )
1000
deci ( correct answers ) 10^-
1 (0.1)
centi ( correct answers ) 10^-2
(0.01)
milli ( correct answers ) 10^-3
(0.001)
micro ( correct answers ) 10^-6
(0.000001)
nano ( correct answers ) 10^-9
(0.000000001)
GRADED
A+
ANSWERS 2025
Chemistry ( correct answers ) the study of atoms and molecules, their
and their interactions to form
structures
substances
Physics ( correct answers ) the study of forces and
energy
Earth Science ( correct answers ) Earth's structure and composition
and Earth's
change
s
controlled experiment ( correct answers ) An experiment in which only
one
is manipulated
variable at a
time.
independent variable ( correct answers ) The variable being changed
or controlled
by the
experimenter
dependent variable ( correct answers ) The outcome factor; the
variable in
change that may to manipulations of the independent
response
variable.
control variable ( correct answers ) A variable that is kept constant
during a
controlled
experiment.
observational study ( correct answers ) observes individuals
and measures
variables of interest but does not attempt to influence the
responses
laboratory experiment ( correct answers ) Experiment in which
conditions
highly controlled
are in an artificial
environment
Physical Model ( correct answers ) A physical representation of an
Prototypes and appearance models are physical
object.
models.
conceptual model( correct answers ) a verbal or graphical explanation
for how works
system a or is
organized
mathematical model ( correct answers ) one or more equations that
represent
way a system
the or process works
(formulas)
computer model ( correct answers ) detailed computer programs that
solve a set
complex mathematical
of
formulas
GRADED
A+
, principle of falsification ( correct answers ) a scientific theory must lead to
testable hypotheses that can be disproved if they are wrong
Hypothesis ( correct answers ) A testable prediction, often implied by
a theory
Theory ( correct answers ) a statement that attempts to explain why
things are the way they are and happen the way they do. supported by
scientific evidence
Law ( correct answers ) Statement supported by scientific evidence
and repeated experiments
scientific investigation ( correct answers ) plan for asking questions
and testing possible answers
derived quantities( correct answers )
area- Speed - m/s
m2
volume-
density- kg/m3
m3
SI system ( correct answers ) International System of units based on
the metric system and units derived from the metric system
meters ( correct answers ) (m) base unit for
length
Second ( correct answers ) (s) SI base unit
for time
Kelvin ( correct answers ) SI unit for
temperature
mega ( correct answers )
10
M
1,000,0
^6
00
kilo ( correct answers )
1000
deci ( correct answers ) 10^-
1 (0.1)
centi ( correct answers ) 10^-2
(0.01)
milli ( correct answers ) 10^-3
(0.001)
micro ( correct answers ) 10^-6
(0.000001)
nano ( correct answers ) 10^-9
(0.000000001)
GRADED
A+
