The expansion and contraction of rocks due to a constant ris and fall in temperature results in the formation of cracks.As time goes by,these huge rocks break down into smaller particles.
Yes, temparature does indeed affects rocks. In warm temparature, they will contrast, or shrink. It has just the opposite in colder temparature. The rock will inflate by collecting moisture from the air. If the water manages to freezes, it will split the rock