Frost on the grass in autumn is an example of
liquid
Weathering.
mechanical
An example is when it is cold outside and your in the car and the windows are frost
This is a low lying place where late and early frosts are more likely than in the surrounding areas. A frost pocket is sometimes sparse in vegetation, especially in those species that can be damaged by late frosts in spring or early frosts in autumn.
ice wedging
autumn is the best time to sow grass seeds avoiding the heat of the summer
Ground frost or hoar frost.
as many souls as leaves that yield their hold on boughs and fall through forests in the early frost of autumn
Frost or frozen dew that forms a white coating on objects. It's usually distinguished from the general word frost in that frost can form in a refrigerator, for example, but hoarfrost is frozen atmospheric condensate on such things as grass, leaves, etc.
The cast of Autumn Lovers - 2013 includes: Ponda Frost as The Girl
Lettuce will not tolerate a frost.
Apparently with No Surprise
Orange Grass grows in Autumn.
Annual bluegrass
Hence,the formation of dew and frost is a physical change.
Frost is a physical change, the condensation and freezing of water vapor.
'A frost hit' is not an example of personification. Personification is giving human qualities to an idea such as Jack Frost or Mother Nature.