Q2 Benchmark Exam Practice 3

Front

What is a delta?

Back

A delta is a landform that forms at the mouth of a river where it deposits sediment as it flows into a larger body of water, such as an ocean or lake.

Front

How do sediments typically move from mountains to other areas?

Back

Sediments are usually transported and deposited by rivers and streams, which carry them away from their original location.

Front

Which layer of mud in a marsh has been there the longest?

Back

The bottom layer of mud has been there the longest because it was deposited first.

Front

What natural process is responsible for the formation of a delta?

Back

Deposition is the natural process that causes the formation of a delta.

Front

What is erosion?

Back

Erosion is the process by which sediment and soil are removed from the Earth's surface and transported to another location.

Front

Which type of hillside experiences the greatest erosion?

Back

A bare hillside with no plant cover experiences the greatest erosion.

Front

What role do plants play in preventing erosion?

Back

Plants help prevent erosion by stabilizing the soil with their roots, reducing the movement of sediment.

Front

What is sediment?

Back

Sediment is small particles of rock, soil, and organic material that are transported by wind, water, or ice.

Front

What is the difference between erosion and deposition?

Back

Erosion is the process of removing and transporting sediment, while deposition is the process of laying down or settling sediment in a new location.

Front

What is a marsh?

Back

A marsh is a type of wetland that is dominated by herbaceous plants and is often found at the edges of lakes and rivers.