The point where the river starts is called the:

A smaller stream or river that flows into a larger river is called a:

The point at which two streams or rivers join is known as a:

An area or ridge of land that separates waters flowing to different rivers, basins, or seas is known as a:

The point at which the river joins the sea, or larger body of water, is called the:

The path of a river as it flows downhill is called its:

True or false? The long profile of a river shows how the gradient (steepness) changes over the different courses.

True or false? The cross profile shows what the cross-section of the river looks like.

The gradient of the upper course of a river is:

The gradient of the middle course of a river is:

The gradient of the lower course of a river is:

The features of the upper course of a river are:

The features of the middle course of a river are:

The features of the lower course of a river are:

The process which deepens the river valley and channel is called:

The process that widens the river valley and channel is called: