M2 - Rivers And Coasts

Question 1

What are the five types of erosion

Answer 1

Hydraulic action

Corrosion

Abrasion

Attrition

Solution

Question 2

What are the three categories of weathering

Answer 2

Physical (mechanical)

Chemical

Biological

Question 3

What is physical weathering

Answer 3

Rocks are disintegrated.
Usually associated with extreme weather.
The rock is changed.

Question 4

What is chemical weathering

Answer 4

The breaking down/decomposition of rocks due to a chemical reaction.
The rock is changed.

Question 5

What is biological weathering

Answer 5

The break up of rocks due to flora and fauna (plants and animals)

Question 6

Name two examples of physical weathering

Answer 6

Freeze thaw

Salt weathering

Question 7

Name two types of chemical weathering

Answer 7

Carbonation (acid rain)

Oxidation

Question 8

Name two types of biological weathering

Answer 8

Plants

Animals

Question 9

Name four types of mass movement

Answer 9

Rock fall

Landslide

Mudflow

Rotational slip/ slumping

Question 10

What are headlines

Answer 10

Areas of more resistant rock that sticks out into the landscape

Made out of hard rock

Waves find faults (cracks) in the rock and cause more cracks which develops into a cave. These cracks are often enlarged by pressure due to hydraulic action