Creation of smaller pieces of rock through physical or chemical means

Weathering Weathering is the breakdown of rocks at the Earth's surface, by the activity of water, extremes of temperature, and natural action. There are three sorts of weathering, physical, chemical and organic/biological. How can it occur?. Primarily by disintegration through erosion which is the procedure by which soil and shake particles are worn away and moved somewhere else by wind, water or ice. Weathering includes no moving specialist of transport.