Weathering Flashcards
(3 cards)
1
Q
Mechanical (freeze thaw)
A
When rainwater enters cracks in the rock and freezes. The water expands as it turns into ice and breaks the rock into smaller pieces
2
Q
Chemical (acid rain)
A
When rain falls on the rocks, the acid in it can react with weak minerals, causing them to dissolve and the rock to decay
3
Q
Biological weathering
A
The roots of plants n trees can grow into cracks in a rock and split the rock apart.
