1. Match the photographs A–D with the different weathering processes: (i) carbonation (ii) freeze-thaw action (iii) hydrolysis
(iv) oxidation A
4. With the aid of diagrams describe how freeze-thaw action and exfoliation occur.
5. Carbonation, oxidation, hydration, hydrolysis. Choose any three of these processes and explain how they weather rock.
6. Weathering may be classified into three groups. Name these groups and give an example of two types of weathering processes in each group you have named.
7. Explain the term, erosion. List the main agents of erosion.
B OL Short Questions
8. Examine this diagram of a weathering process.
C
D
2. Explain the terms: chemical weathering and mechanical weathering.
3. Give three examples of each type of weathering.
(a) Name the process shown. (b) Name one location in Ireland where this process occurs.