Frozen water in cracks expands putting pressure on the sides of the crack. Many cycles are needed to weaken the rock.
2 of 5
Explain Exfoliation
Temperature changes between day and night cause rock surfaces to expand and cool down. This process weakens the surface of rocks causing them to peel.
3 of 5
What is Chemical Weathering?
Chemical- Chemical changes that weaken rocks.
4 of 5
Explain Carbonation
Rain has carbon dioxide (weak acid) carbonic acid. Rocks with fffffffffffffffffffffffffffffcalcium carbonate (limestone). The carbonic acid makes calcium carbonate soluable
5 of 5
Other cards in this set
Card 2
Front
Explain Freeze Thaw Action
Back
Frozen water in cracks expands putting pressure on the sides of the crack. Many cycles are needed to weaken the rock.
Comments
No comments have yet been made