Front

What is a delta?

Back

A fan-shaped area where a river meets the ocean, formed by the deposition of sediment and rock at the river's end.

Front

What is a dune?

Back

A hill of sand created by the wind.

Tags

NGSS.MS-ESS2-5

Front

How does the surface of the earth change over billions of years?

Back

High mountains gradually wear down as new mountains are continuously being formed, over and over again.

Tags

NGSS.MS-ESS2-2

Front

What landform is produced where the Mississippi River enters the Gulf of Mexico?

Back

Delta.

Tags

NGSS.MS-ESS2-2

Front

What are dunes formed by?

Back

Wind blowing, moving, and depositing sand.

Front

What is sediment?

Back

Small particles of rock and soil that are carried and deposited by water, wind, or ice.

Front

What is weathering?

Back

The process of breaking down rocks and minerals into smaller pieces by natural forces.

Tags

NGSS.MS-ESS2-2

Front

What is erosion?

Back

The process by which soil and rock are removed from the Earth's surface by wind, water, or ice.

Tags

NGSS.MS-ESS2-2

Front

What is a floodplain?

Back

An area of land adjacent to a river that is subject to flooding.

Front

What is a canyon?

Back

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

Tags

NGSS.MS-ESS2-2