Show:
Chemical weathering
Physical weathering
Landslides!
100
When moss bores holes into rocks.
Plant acids
100
Pushes sidewalks up
Tree roots
100
slowest of all mass movements
soil creep
200
When CO2 & water mix
Carbonic acid
200
Causes potholes
Frost action or ice wedging
200
backwards rotation of land as it slides
slump
300
Another name for sulfuric acid action
Acid rain
300
The force that pulls rocks down
Gravity
300
very large channel carved from running water
gully
400
When soils turn red
Oxidation
400
Pebbles in a stream
Abrasion
400
scientific name for mudflow
Lahar
500
The breakdown of rocks or minerals by water action
Hydrolysis
500
Large flakes/sheets break off of rocks
joint sheeting
500
movement of land over "permafrost"
solifluction