weathering coasts

weathering

The chemical and physical processes that erode cliffs at their tops and base

physical weathering

any process that breaks rock down into smaller pieces without changing the chemistry of the rock; typically wind and water.

chemical weathering

the process by which rocks break down into their component parts.

freeze-thaw

occurs when there's a crack in a rock this will fill with water typically rainfall if the temperature drops below 0 degrees celsius the water freezes and expands putting strain upon the rock. if the process of melting and freezing continues repeatedly eventually the rock will split