Weatherng i

Question 1

What is weathering

Answer 1

Weathering is the breaking down of rocks and soil that are exposed to weather broken down material does not move from the place weathering occurred

Question 2

What is mechanical weathering

Answer 2

Mechanical weathering breaks up rocks into smaller pieces by putting pressure on the rock

Question 3

What is freeze thaw action

Answer 3

It occurs high up in mountainous areas where there is a lot of precipitation and the temperature regularly rise and fall below freezing point

Question 4

Steps of freeze thaw action

Answer 4

During the day water seeps into cracks
in rocks

At night water temperatures fall below freezing point water cracks and freezes and expands by 9% putting pressure on the rock

Process continues Overtime widening cracks and joints in rock causing it to weaken and eventually piesces fall of

E.g croagh patrick

Question 5

Examples of mechanical weathering

Answer 5

Freeze thaw action

Question 6

What is chemical weathering

Answer 6

Chemical weathering is when rocks are dissolved because of chemical reaction