WGU C165
WGU C165 Integrated Physical Sciences – Quiz
Answers And Concept Review
When there is no conceivable way to prove a statement false, then the statement is - ANSWER
✔ - untestable
A scientific theory is discarded - ANSWER ✔ - if it is contradicted by new experiments or
observations.
Theories help scientists to: - ANSWER ✔ - explain large amounts of data
When might scientists analyze or test a model instead of the real system of interest? - ANSWER
✔ - 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? - ANSWER
✔ - The theory could be modified or discarded
Why does ultraviolet light damage the skin, but visible light does not? - ANSWER ✔ - Ultraviolet
light has a shorter wavelength than visible light
The speed of a sound wave depends on - ANSWER ✔ - medium
The wavelength of a transverse wave travelling in a rope is - ANSWER ✔ - the distance from
crest to crest or trough to trough
When energy changes from one type to another, the total energy - ANSWER ✔ - remains
constant
1
WGU C165
©®
WGU C165 Integrated Physical Sciences – Quiz
Answers And Concept Review
When there is no conceivable way to prove a statement false, then the statement is - ANSWER
✔ - untestable
A scientific theory is discarded - ANSWER ✔ - if it is contradicted by new experiments or
observations.
Theories help scientists to: - ANSWER ✔ - explain large amounts of data
When might scientists analyze or test a model instead of the real system of interest? - ANSWER
✔ - 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? - ANSWER
✔ - The theory could be modified or discarded
Why does ultraviolet light damage the skin, but visible light does not? - ANSWER ✔ - Ultraviolet
light has a shorter wavelength than visible light
The speed of a sound wave depends on - ANSWER ✔ - medium
The wavelength of a transverse wave travelling in a rope is - ANSWER ✔ - the distance from
crest to crest or trough to trough
When energy changes from one type to another, the total energy - ANSWER ✔ - remains
constant
1
WGU C165
©®
