eroding

Question 1

Hydraulic action

Answer 1

the force of moving water

Question 2

abrasion/corrasion

Answer 2

coast is worn down by material carried by the waves.

Question 3

attrition

Answer 3

materials carried by the waves bump into each other and so are become smaller, smoother and rounder

Question 4

solution

Answer 4

when chemicals in the water help to break down some rocks

Question 5

weathering

Answer 5

when rocks are weakened and crack/split

Question 6

erosion

Answer 6

when rocks are worn away by wind, water or ice

Question 7

difference between weathering and erosion

Answer 7

weathering doesn’t move the rock

erosion washes bits of rock away

Question 8

freeze thaw weathering

Answer 8

water gets into a crack in a rock, it then freezes
it expands & pushes the crack further apart
when the water melts later, water can get further into the crack. when freezes again, it expands and makes the crack bigger

Question 9

biological weathering

Answer 9

the breakdown of rocks by plants and animals

Question 10

chemical weathering

Answer 10

the wearing away of rocks through chemicals and acids l