Unit 4 Test Practice Topography and Rivers

Front

What do contour lines that are enclosed circles indicate?

Back

Hilltops.

Front

What additional fact must be known to determine the average slope/gradient between two points?

Back

Change in elevation.

Front

Where would you find an oxbow lake in a diagram?

Back

Drainage System.

Front

What is about to form at points A and B in a river system?

Back

Oxbow lake.

Front

Why does urban development increase the risk of flooding?

Back

There are more paved impermeable surfaces.

Front

What is a delta?

Back

A landform created by the deposition of sediment at the mouth of a river.

Front

Define watershed.

Back

An area of land that drains all the streams and rainfall to a common outlet.

Front

What is the significance of slope in topography?

Back

It indicates the steepness or degree of incline of the land.

Front

What is the role of rivers in shaping the landscape?

Back

Rivers erode land, transport sediment, and deposit materials, creating various landforms.

Front

What is an oxbow lake?

Back

A crescent-shaped lake formed when a river meanders and creates a cutoff.