Weathering and Erosion Flashcard

Front

What is the breakdown of the Earth’s crust into sediment called?

Back

Weathering

Front

What is it called when weathered rock is carried away?

Back

Erosion

Front

What is sediment?

Back

Bits of rock, sand, and silt.

Front

How does freezing water cause weathering of rocks?

Back

Freezing water expands, cracks, and breaks the rock.

Front

Which of these is an example of erosion?

Back

Wind blowing away sediment.

Front

What is the process of breaking down rocks into smaller pieces?

Back

Weathering.

Front

What natural forces can cause erosion?

Back

Water, wind, and ice.

Front

What is the difference between weathering and erosion?

Back

Weathering is the breakdown of rocks; erosion is the movement of those broken pieces.

Front

What role does rain play in weathering?

Back

Rain can break down rocks through chemical and physical processes.

Front

What is mechanical weathering?

Back

The physical breakdown of rocks without changing their chemical composition.