Physical & Chemical Weathering Review
1. Identify the type of weathering (physical or chemical) listed in the table below. Once you
have identified whether it is physical or chemical identify the agent or process
responsible for the weathering. The first one is done for you.
EVENT
Fracturing rocks in a camp fire
Cracked sidewalks after a severe winter
Dissolving limestone by acidic groundwater
Green stain formed on a copper roof
Split pavement with weeds growing up
Yellow limonite stain on iron bearing rocks
Rock layers peeling away from a sandstone headstone
The change of a pink feldspar silicate mineral to a soft
powdery white clay.
The gradual disappearance of writing on marble head stones.
TYPE OF
WEATERING
Physical
AGENT OR
PROCESS
Heat
expansion
Physical & Chemical Weathering Review
1. responsible for the weathering. The first one is done for you.
EVENT
Fracturing rocks in a camp fire
TYPE OF
WEATERING
Physical
Cracked sidewalks after a severe winter
Physical
AGENT OR
PROCESS
Heat
expansion
Frost Fracture
Dissolving limestone by acidic groundwater
Chemical
Solution
Green stain formed on a copper roof
Chemical
Oxidation
Split pavement with weeds growing up
physical
Plant action
Yellow limonite stain on iron bearing rocks
chemical
Rock layers peeling away from a sandstone headstone
physical
Oxidation,
hydolosis
Exfoliation
The change of a pink feldspar silicate mineral to a soft
powdery white clay.
The gradual disappearance of writing on marble head stones.
chemical
Hydrolosis
chemical
solution