Water seeps into the cracks of a mountainside and freezes with cold temperatures. New and larger cracks develop.
weathering
15
The roots of a plant grow in the cracks of a sidewalk. As the root grows larger the cement begins to crack.
weathering
15
Limestone begins to soften because of acid rain.
weathering
15
A rabbit burrows into the crack of a large rock and widens and splits the rock.
weathering
15
Due to rain, the paint on an outside bench begins to crack.
weathering
15
Powerful waves crash into a rock with cracks. A layer of air gets trapped at the bottom of the crack. When the wave retreats, the air that was trapped is released with a powerful force and weakens the rock.
weathering
15
Loosened rock from icy temperatures is pulled down a mountainside by gravity.
erosion
15
Sediment is picked up from the banks of a flowing river.
erosion
15
Rock and debris from the side of a mountain are picked up by a moving glacier.
erosion
15
The repeated motion of waves pick up loose sand from the beach.
erosion
15
Dust and sand are blowing in the air during a wind storm.
erosion
15
Ice melts in the crack of a large boulder and carries away loose sediment.
erosion
15
Layers of sand form at the bottom of an ocean.
deposition
15
Wind carries sand and forms a sand dune.
deposition
15
A delta is formed at the mouth of a large river.
deposition
15
A glacier transports rock and debris that build up to form a moraine.
