The roots of a plant grow in the cracks of a sidewalk. As the root grows larger the cement begins to crack.

A delta is formed at the mouth of a large river.

True or false: Erosion is the movement of sediment from one location to another.

True or false: Deposition happens when sediment is dropped in a new location.

Water seeps into the cracks of a mountainside and freezes with cold temperatures. New and larger cracks develop.

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.

A glacier transports rock and debris that build up to form a moraine.

A rabbit burrows into the crack of a large rock and widens and splits the rock.

Loosened rock from icy temperatures is pulled down a mountainside by gravity.

True or false: Weathering is the process of breaking down rocks.

Layers of sand form at the bottom of an ocean.

Ice melts in the crack of a large boulder and carries away loose sediment.

Wind carries sand and forms a sand dune.