9.6 Weathering and Erosion Practice

Front

What is erosion?

Back

The moving of rock.

Front

What do we call the breaking up of pavement by weeds growing in a parking lot?

Back

Mechanical weathering--by plants.

Front

What is it called when ice gets trapped in rock and pushes it apart?

Back

Mechanical weathering--freeze thaw.

Front

What do we call the process when pieces of rock are blown away in a sandstorm?

Back

Erosion by wind.

Front

What is the term for when a rock or side of a mountain turns orangish brown?

Back

Chemical weathering--rust and oxidation.

Front

What is mechanical weathering?

Back

The process of breaking down rocks without changing their chemical composition.

Front

What is chemical weathering?

Back

The process of breaking down rocks through chemical changes.

Front

What is abrasion in the context of weathering?

Back

The wearing away of rock by friction or impact.

Front

What role does water play in erosion?

Back

Water can carry away soil and rock particles, leading to erosion.

Front

What is freeze-thaw weathering?

Back

A type of mechanical weathering where water freezes in cracks of rocks, expands, and causes the rock to break apart.