What we should know on rivers

The starting point of a river is also called

• headwater

• headways

• watering hole

• tributary source

• 

Typically, a river valley can be divided into ____________

• two sections

• four sections

• long profiles

• three sections

• 

The Upper Course is often referred to as

• Old Stage

• Mature Stage

• Torrent Stage

• Plain Stage

The____________ shows the gradient of a river as it journeys from source to mouth. It spans the source of a river (where it starts) and the mouth (where it reaches the sea).

• contour map

• gradient map

• long profile

• gradient profile

Vertical erosion is dominant in the __________ course

• Youthful

• Middle

• Lower

• Mature

• 

The material carried by a river is typically called its____________.

• carriage

• load

• storage

• capacity

At this stage deposition is the most dominant duty carried out by the river.

• Plain Stage

• Mature Stage

• Youthful Stage

• Torrent Stage

V- shaped valleys, interlocking spurs, a river bed with large rocks and stones, gorges, fast flowing rapids and waterfalls are all features of the ________ course.

• Middle

• Mature

• Upper

• Lower

Typical features found in the middle course are:

• River cliffs and Slip-off slopes

• Rapids and Meanders

• Meanders and Floodplains

• Slip-off slopes and Gorges

These are shallow crescent shaped lakes formed when a meander is abandoned by a river.

• Convex slopes

• Concave slopes

• Meanders

• Ox-bow lakes