What is the process by which rocks are broken down into smaller fragments by physical or chemical means?

The process by which rocks are broken down into smaller fragments by physical or chemical means is called weathering. Weathering can be caused by a variety of factors such as temperature changes, water, wind, ice, and chemical reactions. Physical weathering involves the physical breakdown of rocks into smaller pieces without changing their chemical composition, while chemical weathering involves the breakdown of rocks through chemical reactions that alter their composition. Over time, weathering can break down rocks into smaller fragments, eventually leading to the formation of sediment.

Weathering