Mass Movement And Weathering

Question 1

What is denudation

Answer 1

The process constantly wearing the crusts rock and soil away

Question 2

Name 2 types of weathering

Answer 2

Chemical and mechanical

Question 3

Name and explain a type of mechanical weathering

Answer 3

Freeze thaw action: water falls into cracks in rocks and then freezes and expands overnight when it’s cold. This continues until the rock breaks into scree

Question 4

Give an example of a karst landscape

Answer 4

The burren in co. Clare

Question 5

What is a swallow hole

Answer 5

A cave that a river flows through due to carbonation widening the joints in the bedding planes

Question 6

Give an example of a cave or cavern

Answer 6

The aillwee caves in the Burren

Question 7

Give 2 examples of what can be formed in a cave

Answer 7

A stalagmite and a pillar

Question 8

Name the 4 factors that affect mass movement

Answer 8

Gradient, water content, human activity, vegetation and animals

Question 9

Name two types of mass movement

Answer 9

Soil creep and a landslide

Question 10

Give 3 ways to help stop mass movement

Answer 10

Plant more vegetation, restrict overgrazing and build steps into mountainsides to trap sediment