Weathering

Plants growing in the cracks of rocks causes the rocks to split.

Caves forming when carbonic acid dissolves limestone.

Temperature changes like when water freezes into cracks and expands.

Iron reacts with oxygen to make blue soil.

An abrasion on a rock is a scrape that occurs when wind or water hits against rock.

When rocks are transported from one place to another place.

Wind blows sand against a larger rock causing the rock to break down.

Wind blows small particles of rock to a different area.

When rocks are broken down into smaller rocks.

Water seeps into a rock freezes and then expands over night breaking the rock in half.

A river moves sediments down to another place.

Tree roots growing around rocks and breaking them.

Strong winds blowing sand across a beach.

A hurricane washing sand off of a beach.

A river polishing rocks smooth without removing them.

Layers of sediment dropped at the bottom of a lake a long time ago.

Water freezing in the cracks in rock and splitting them open.

Muddy deltas forming at the mouths of rivers as soil is dropped off there by river water

Wind blowing sand against a rock causing the rock to have abrasions and to break down

Rain washing soil away from the P.E. field carrying it away to somewhere else

A mudslide flowing and moving mud down a hill.