Erosion and Transportation Flashcards
1
Q
Abrasion
A
Sand + stone in river scrape along bed + bank and wear away
2
Q
Attrition
A
Rock + stones knock together + wear each other away
3
Q
Solution - Erosion
A
Water dissolves minerals from bed + banks helps break them up.
4
Q
Hydraulic action
A
Fast flowing water for Ed into cracks in banks over time breaks up banks
5
Q
Transport
A
Solids travel in water
6
Q
Solution - Transport
A
Dissolved material carried along as solution. Can’t be seen
7
Q
Suspension
A
Small light particles of recon + soil carried along as suspension. Make water look cloudy.
8
Q
Saltation
A
Sand grains and small stones bounce along river bed
9
Q
Traction
A
larger stones + rocks get rolled along river bed
10
Q
Heavier material carried along bottom called…..
A
Bedload
11
Q
Solution needs…….Traction need………
A
V.little energy
Most energy
