erosion Flashcards
1
Q
hydraulic action?
A
the power of the waves as they smash against the cliff- make the rocks to break apart
2
Q
abrasion
A
is when pebbles grind along a rock platform (like sandpaper). over time it makes the rock smooth
3
Q
attrition
A
when rocks the sea is carrying knock against each other- break apart and are smaller and more rounded.
4
Q
solution
A
this is when sea water dissolves certain types of rocks.
chemical reactions make the rocks break down due to the acidic water
5
Q
define erosion:
A
the process of transporting/wearing away the riverbed and banks, as well as breaking up rocks carried by the river.
different to weathering which is caused by rain ect. and also wears away the rocks completely