WGU C165 Physical Sciences Practice Questions from each test
|| 100% Errorless Answers.
When there is no conceivable way to prove a statement false, then the statement is correct
answers untestable
A scientific theory is discarded correct answers if it is contradicted by new experiments or
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 the distance from
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 tendency to remain
stationary.
What does the mass of an object measure? correct answers The object's resistance to being
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.
In what state is matter compressible? correct answers gas
Why does steam burn skin? correct answers Water vapor releases heat as it condenses on the
skin, which damages the tissue
Which type of chemical bond holds two atoms together in a molecule? correct answers Covalent
bond
|| 100% Errorless Answers.
When there is no conceivable way to prove a statement false, then the statement is correct
answers untestable
A scientific theory is discarded correct answers if it is contradicted by new experiments or
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 the distance from
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 tendency to remain
stationary.
What does the mass of an object measure? correct answers The object's resistance to being
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.
In what state is matter compressible? correct answers gas
Why does steam burn skin? correct answers Water vapor releases heat as it condenses on the
skin, which damages the tissue
Which type of chemical bond holds two atoms together in a molecule? correct answers Covalent
bond
