TOÀN GEO FINAL I

The source of the River Thames is:

• Liverpool

• The North Sea

• The Cotswolds

• Manchester

Tributaries make a river:

• Narrower and shallower

• Wider and deeper

• Flow slower

• Flow uphill

The part of the River Thames affected by tides is called:

• Thames Estuary

• Thames Source

• Tideway

• Seaway

Rain is formed when warm air:

• Evaporates directly into rivers

• Rises, cools, and condenses into clouds

• Drains into groundwater

• Flows downhill

What process dissolves soluble minerals in rivers?

• Attrition

• Hydraulic action

• Abrasion

• Solution

Rocks and stones hitting each other to become smaller is called:

• Attrition

• Abrasion

• Hydraulic action

• Deposition

Water forced into cracks, breaking up the banks, is called:

• Attrition

• Solution

• Hydraulic action

• Erosion

Deposition in rivers occurs when:

• The river speeds up

• The river loses energy

• There is heavy rain

• The slope becomes steeper

In the upper course, the river erodes:

• Horizontally

• Downwards

• Sideways

• Upwards

A steep valley in the upper course of a river is shaped like a:

• V

• U

• W

• L