What influences the landscape of the UK

Question 1

What is freeze thaw weathering (or physical weathering)

Answer 1

The breakdown of rocks followed by repeated cycles of water in cracks freezing and thawing

Question 2

What is biological weathering caused by

Answer 2

Plant and tree roots growing in cracks containing water and nutrients forcing cracks apart and eventually breaks the rock

Question 3

What is chemical weathering

Answer 3

Any chemical change or decy of sloid rock
For example acid rain may dissolve some rock like limestone

Question 4

What is attrition

Answer 4

When the sediment rubs and rolls together,it becomes smaller and smoother

Question 5

What is abrasion

Answer 5

Sediment thrown against coastal cliffs or riverbanks wearing them down

Question 6

What is Hydraulic action

Answer 6

Air is forced into cracks by fast moving waves which forced the rocks apart

Question 7

What is solution

Answer 7

Weak acids in water dissolve alkaline rocks

Question 8

What is transportation

Answer 8

The movement of eroded sediment from one place to another

Question 9

What is deposition

Answer 9

When transported sediment is dropped on to the sea or river bed due to a reduction in energy

Question 10

What are the four processes involed in transportation

Answer 10

Traction-stones are dragged and rolled
Saltation-Pebbles and small stones bounce along the sea bed
Solution-Minerals from rocks dissolve in the water
Suspension-Fine materials like sand is carried in the water