Weathering

Front

What is weathering?

Back

Weathering is the process of breaking down rocks into sediment.

Tags

NGSS.MS-ESS2-2

Front

What are the two main types of weathering?

Back

The two main types of weathering are mechanical (physical) weathering and chemical weathering.

Front

How does mechanical weathering differ from chemical weathering?

Back

Chemical weathering changes the chemical composition of rocks; mechanical weathering does not.

Front

What role do plant roots play in weathering?

Back

Plant roots can cause both physical and chemical weathering.

Tags

NGSS.MS-LS2-3

Front

What is an example of mechanical weathering?

Back

An example of mechanical weathering is the repeated freezing and thawing of water.

Tags

NGSS.MS-ESS2-2

Front

What is an example of chemical weathering?

Back

An example of chemical weathering is lichens releasing enzymes and acids that break down rock.

Front

What is the effect of temperature changes on rocks?

Back

Temperature changes can cause rocks to expand and contract, leading to cracks and breaking.

Front

What is erosion?

Back

Erosion is the process of moving sediment from one place to another.

Tags

NGSS.MS-ESS2-2

Front

What is deposition?

Back

Deposition is the process of dropping or leaving sediment in a location.

Tags

NGSS.MS-ESS2-2

Front

How do tree roots contribute to weathering?

Back

Tree roots can grow into cracks in rocks, causing them to break apart.

Tags

NGSS.MS-ESS2-2