Weathering

Question 1

Types of weathering

Answer 1

1. Physical or mechanical
2. Chemical
3. Biological or Biotic

Question 2

What is physical or mechanical weathering?

Answer 2

Physical weathering also known as mechanical weathering is the disintegration of rocks by a temperature variations without changing the chemical composition of the rock

Question 3

What is chemical weathering?

Answer 3

Chemical weathering is the decomposition of rocks by a change in their mineral composition

Question 4

What is biological or biotic weathering?

Answer 4

Biological or biotic weathering is the break down of rocks by organisms

Question 5

Processes of physical or mechanical weathering

Answer 5

Exfoliation
Freeze-thaw cycles
Pressure release
Biological activities

Question 6

Processes of Biological or Biotic weathering

Answer 6

Plant and animal action( Physically)
Plant and animal action ( Chemically)

Question 7

Processes of chemical weathering

Answer 7

Carbonation
Oxidation
Hydration
Hydrolysis
Solution

Question 8

Soil creep

Answer 8

The slow downhill movement of soil particles which is usually unnoticeable

Question 9

Landslide

Answer 9

The sudden and rapid downhill movement of a large volume or soil and rock