The heat energy needed to change a substance from one state to another - such as liquid to water vapor - is termed latent heat .
(The heat energy; needed; to change a substance from one state to another) (The heat energy needed to change a substance from one state to another - such as liquid to water vapor; is termed; latent heat)
The heat energy The heat energy needed to change a substance from one state to another - such as liquid to water vapor
needed is termed
to change a substance from one state to another
latent heat