Rivers Flashcards
What is a drainage basin
An area of land which feeds a river
What is suspension
It is when small Rocks or materials float
What is solution
The dissolved materials are transported
What is traction
Boulders and large rocks are rolled along the bed of the river
What is saltation
Small pebbles and stones bounce Along the riverbed
Erosion is
The wearing a way of rock or soil along the river banks and bed
Transportation is
When the river picks up and moves martials as it flows down stream
How are waterfalls formed
The river flows over the soft tock and it begins to erode
The sift rock forms a point at the fall
Where the water hits the ground below a plunge pool is formed
Abrasion
The material being carried by the river hits the sides of the bed of the channel each impact breaking pieces off thr bed and banks
Attrition
Rocks and stones in the river bang against each other chipping bits off do the rocks become more rounded and smaller
Hydraulic action
The force of the water pushes into cracks in the rock atvrhe bed and banks braking bits off
Corrosion
Rocks such as chalk and limestone are dissolved in the water and carried away as dissolved material
