Understanding Our Natural World

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Watershed
Ridge of highland which separates 2 drainage basins
1 of 9
Source
Where the river begins (in the upper course)
2 of 9
Tributary
Small river which joins onto main river
3 of 9
Confluence
Where 2 rivers meet
4 of 9
Mouth
Where the river ends and goes into the sea
5 of 9
Abrasion/Corrasion
When pebbles scrape against the river bed
6 of 9
Attrition
Load is eroded by colliding against eachother
7 of 9
Hydraulic Action
Movement and force of water causes sediment to be eroded
8 of 9
Solution/Corrosion
Erosion of limestone or chalk due to chemical reactions
9 of 9

Other cards in this set

Card 2

Front

Where the river begins (in the upper course)

Back

Source

Card 3

Front

Small river which joins onto main river

Back

Preview of the back of card 3

Card 4

Front

Where 2 rivers meet

Back

Preview of the back of card 4

Card 5

Front

Where the river ends and goes into the sea

Back

Preview of the back of card 5
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