paragraph: Weathering breaks down rocks into smaller pieces. These small pieces of rock are called sediment. Sediments can be any size and shape. Giant boulders can be sediments. They may have started as part of a mountain and then broken up. You may have small decorative rocks around your home. These too came from even larger rock. Therefore, they have been through the process of weathering. Even soil has been broken down from larger and larger rocks. It takes a long time for a rock or mountain to weather. Have you ever traveled to a colder part of the world? If so, you may have noticed all the holes in the roads. These holes appear in the spring after a cold winter. This breaking apart of the roadway is a form of weathering. Its causes are the same as what happens to large mountains. The difference is that a road can change more quickly. 
question: What is the difference between the weathering we see in roadways versus the way a large mountain weathers?
answer: It is slower