Weathering & Erosion Flashcard

Front

What is weathering?

Back

The process of breaking down rocks into smaller pieces through physical, chemical, or biological means.

Tags

NGSS.MS-ESS2-2

Front

What is erosion?

Back

The movement of weathered rock and soil from one location to another, often by wind, water, or ice.

Tags

NGSS.MS-ESS2-2

Front

What is deposition?

Back

The process of laying down or depositing sediment that has been transported by wind, water, or ice.

Front

What is mechanical weathering?

Back

The process through which rocks are physically broken into smaller pieces without changing their chemical composition.

Tags

NGSS.MS-ESS2-2

Front

What is chemical weathering?

Back

The process that breaks down rocks through chemical changes, often involving water and substances like acids.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Front

What role does moving water play in erosion?

Back

Moving water is one of the most powerful forces of erosion, transporting sediment and shaping landscapes.

Tags

NGSS.MS-ESS2-2

Front

How does freezing water contribute to weathering?

Back

Freezing water expands in cracks of rocks, causing them to break apart.

Tags

NGSS.MS-ESS2-2

Front

What is acid rain?

Back

Rain that has been made acidic by pollutants in the atmosphere, which can cause chemical weathering of rocks.

Tags

NGSS.MS-PS1-2

Front

What is the difference between weathering and erosion?

Back

Weathering is the breaking down of rocks, while erosion is the movement of those broken pieces.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Front

What is biological weathering?

Back

Weathering caused by living organisms, such as plant roots growing in cracks of rocks.