Changes to the Earth's Surface

Front

What is a river delta?

Back

A river delta is a landform created when sediment is deposited at the mouth of a river where it meets a larger body of water.

Front

What processes create a sea arch?

Back

A sea arch is formed when tides and waves weather away at the side of a cliff face until an arch is created.

Front

What is erosion?

Back

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

Front

What is sediment?

Back

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

Front

How do engineers use GIS maps?

Back

Engineers use GIS maps to analyze geographical data, including flood locations, to inform construction and planning decisions.

Front

What is the purpose of levees?

Back

Levees are structures built to prevent water from overflowing riverbanks and to protect areas from flooding.

Front

What is the role of dams in river management?

Back

Dams are built to control the flow of water in a river, helping to prevent flooding and manage water supply.

Front

What is weathering?

Back

Weathering is the process that breaks down rocks into smaller pieces through physical, chemical, or biological means.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is a canyon?

Back

A canyon is a deep valley with steep sides, often formed by the erosion of a river over a long period.