Rivers Flashcards
(29 cards)
What is the ‘Source’ of a river?
The start of a river or stream (at high altitude)
What is the ‘Mouth’ of a river?
Where a river flows into the sea (at low altitude = sea level)
What is a ‘Stream’?
A small river
What is a ‘Tributary’?
A stream or river that flows into a bigger river
What is a ‘Catchment area’?
The area drained by a river and its tributaries
What is a ‘River system’?
All the rivers and streams in a catchment area
What is a ‘watershed’?
An area of high ground that separates two different systems.
What happens when rivers flow over flatter land?
They often form lakes
How do rivers change the land?
They wear away the rock and eventually form canyons
Do a;; rovers flow all year?
No, some only flow when it rains, and are a dry river bed when it doesn’t
Which river forms a border between South Africa and Namibia?
Orange (also between South Africa and Lesotho)
Which river forms a border between South Africa and Zimbabwe?
Limpopo
What is the watershed between the Caledon and Tugela Rivers?
Drakensberg Mountains
Name two tributaries of the Orange River
Vaal
Caledon
Name the source (province) of the Orange River
Lesotho
Which direction does the Orange River flow, and into which ocean?
West
Atlantic Ocean
Name special features on the Orange River
Gariep Dam
Vanderkloof Dam
Boegoeberg Dam
Augrabies Falls
Name the source (province) of the Vaal River
Mpumalanga
Which direction does the Vaal River flow, and into which ocean?
South West
Atlantic Ocean
Name special features on the Vaal River
Vaal River Dam
Bloemhof Dam
Name the source (province) of the Great Fish River
Eastern Cape
Which direction does the Great Fish River flow, and into which ocean?
South East
Indian Ocean
Name special features on the Great Fish River
None
Name the source (province) of the Limpopo River
Limpopo
