WGU C165 PHYSICAL SCIENCES
EXAM WITH CORRECT
ANSWERS 2025
When there is no conceivable way to prove a statement false, then the
statement
Correct answers
is ( )
untestable
A scientific theory is discarded ( Correct answers ) if it is
contradicted or
experiments by new
observations.
Theories help scientists to: ( Correct answers ) explain large
amounts of data
When might scientists analyze or test a model instead of the real system
of interest?
Correct answers
( ) When the real system is too complex or difficult
to analyze
If new data were found to disagree with a long-standing theory, what
could happen?
Correct answers( ) The theory could be modified or
discarded
Why does ultraviolet light damage the skin, but visible light does
not? ( Correct
answers ) Ultraviolet light has a shorter wavelength than
visible light
The speed of a sound wave depends on ( Correct answers )
medium
The wavelength of a transverse wave travelling in a rope is ( Correct
answers )from
distance the crest to crest or trough to
trough
When energy changes from one type to another, the total energy
( Correct answers )
remains
constant
Which statement describes inertia ( Correct answers ) Inertia is an
object's
to remaintendency
stationary.
What does the mass of an object measure? ( Correct answers ) The
object's
to being resistance
accelerated
What is shared or transferred when a chemical bond is formed? ( Correct
answers )
Valence
electrons
How is a compound formed? ( Correct answers ) Electrons are transferred
or shared
between
atoms.
EXAM WITH CORRECT
ANSWERS 2025
When there is no conceivable way to prove a statement false, then the
statement
Correct answers
is ( )
untestable
A scientific theory is discarded ( Correct answers ) if it is
contradicted or
experiments by new
observations.
Theories help scientists to: ( Correct answers ) explain large
amounts of data
When might scientists analyze or test a model instead of the real system
of interest?
Correct answers
( ) When the real system is too complex or difficult
to analyze
If new data were found to disagree with a long-standing theory, what
could happen?
Correct answers( ) The theory could be modified or
discarded
Why does ultraviolet light damage the skin, but visible light does
not? ( Correct
answers ) Ultraviolet light has a shorter wavelength than
visible light
The speed of a sound wave depends on ( Correct answers )
medium
The wavelength of a transverse wave travelling in a rope is ( Correct
answers )from
distance the crest to crest or trough to
trough
When energy changes from one type to another, the total energy
( Correct answers )
remains
constant
Which statement describes inertia ( Correct answers ) Inertia is an
object's
to remaintendency
stationary.
What does the mass of an object measure? ( Correct answers ) The
object's
to being resistance
accelerated
What is shared or transferred when a chemical bond is formed? ( Correct
answers )
Valence
electrons
How is a compound formed? ( Correct answers ) Electrons are transferred
or shared
between
atoms.
