Ice Wedging Place the events in order use 1-4 (1 being the first step) When the water freezes it expands 9% in volume, which wedges apart the rock Water seeps into cracks and fractures in rocks With repeat freeze/thaw cycles, rock breaks into pieces Potholes and cracks in sidewalks are formed pdf

Step 1 Water seeps into cracks and fractures in rocks

Step 2 When the water freezes it expands 9% in volume, which wedges apart the rock

Step 3 Potholes and cracks in sidewalks are formed

Step 4 With repeat freeze/thaw cycles, rock breaks into pieces

Explanation:

Ice wedging is a type of weathering process that is prevalent in areas that have frequent freeze and thaw cycles. Ice wedging occurs because water expands as it goes from liquid to solid. Water in its liquid form can make its way into even the smallest of cracks, Then when the temperature cools to the freezing point, the water turns to ice and expands, causing the cracks to expand and fill with more water over the time which freezes again. The frequent repeat of freeze/thaw cycles eventually breaks the rock into pieces.

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