Shaping Earth's Surface

Front

What is abrasion?

Back

The grinding away of rock by friction or impact.

Tags

NGSS.MS-ESS2-2

Front

What is a delta?

Back

A large deposit of sediment where a stream enters a large body of water.

Front

What is a constructive force?

Back

Forces that build up an existing landform or create a new one.

Front

What is ice wedging?

Back

The process when water enters the cracks in a rock, freezes, expands, and eventually breaks the rock apart.

Tags

NGSS.MS-ESS2-2

Front

What is weathering?

Back

The physical and chemical processes that change objects on Earth’s surface over time.

Tags

NGSS.MS-ESS2-2

Front

What is erosion?

Back

The removal and transport of weathered material.

Tags

NGSS.MS-ESS2-2

Front

What is a landform?

Back

A natural feature of the Earth's surface, such as mountains, valleys, and plateaus.

Front

What is sediment?

Back

Small pieces of rock, minerals, and organic material that are transported by wind, water, or ice.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-3

NGSS.MS-ESS2-4

Front

What is the difference between mechanical and chemical weathering?

Back

Mechanical weathering breaks rocks into smaller pieces without changing their composition, while chemical weathering alters the minerals in the rock.

Front

What is a canyon?

Back

A deep valley with steep sides, often formed by the erosion of a river.