the water freezing is physical change
Ice wedging is physical weathering. As water freezes it grows, so when water flows into cracks or holes and then freezes it causes the water to expand, which brakes apart whatever it seeped into.
ice wedging
Ice wedging (frost action)
wedging ice to a cake at a wedding
Ice wedging
Ice wedging is a type of mechanical weathering.
Ice wedging is actually a physical weathering process, not chemical. It occurs when water seeps into cracks in rocks, freezes, expands, and causes the rock to break apart over time.
The type of weathering that causes Ice Wedging is Mechanical/ Physical Weathering.
The general term for this is "erosion".
It breaks from ice wedging
Melting ice is a physical change. It involves a change in state from solid to liquid without altering the chemical composition of the ice.
melting ice a physical change