Types of Weathering

• Mechanical weathering


  Involves rocks being physically broken apart. Mechanical weathering produces broken rock called scree (or regolith). Scree can be found on mountain slopes.
• Chemical weathering


  involves rock being dissolved gradually overtime
• Biological weathering


  Occurs when rock is broken apart by burrowing animals or by plants. Human activity can also contribute to weathering, for example, through acid rain.