Geography Revision

Question 1

What is weathering?

Answer 1

It is the breaking or disintegration of rocks in their given location by various atmosphere conditions.

Question 2

What are the three factors of weathering?

Answer 2

climate
chemical composition
structure of the rocks

Question 3

The definition of the three types of weathering.

Answer 3

1.climate-areas of high temperature and rainfall have a higher rate of weathering than cold regions.
2.chemical composition of rocks- some minerals which are easily attacked by the rain and air cause them to decompose
3.structure of the rocks-the more the presence of cracks and joints in the rocks the greater possibility of disintegration

Question 4

Examples of chemical composition

Answer 4

calcium,carbonate and iron

Question 5

What are the 3 types of weathering?

Answer 5

physical/mechanical weathering, chemical weathering and biotic weathering

Question 6

What is biotic weathering?

Answer 6

chemical and physical change occur as a result of plants and animal activity

Question 7

What is chemical weathering?

Answer 7

the rocks structure decompose and change chemical structure due to the chemical reactions.

Question 8

What is physical weathering?

Answer 8

rocks disintegrate into smaller pieces with no change to their chemical structure.

Question 9

What is another name for physical weathering?

Answer 9

mechanical