Get Marking Schemes From Here
1. (a) What is the relationship between Geography and Chemistry? (2mrk)
(b) The diagram below shows the internal structure of the earth.
(i) Name the parts marked G and H. (2mrk)
G
H
(ii) Name the dominant mineral in the mantle. (1 mrk)
2. Differentiate between absolute and relative humidity. (2mrk) 3. The diagram below shows some features formed by faulting.
(a) Name the parts marked X and Y.
X –
Y –
(b) State three effects of faulting on drainage of an area. (3mrk)
4. (a)Identify two scales used to measure the intensity of an earthquake. (2mrk)
(b) Give three major earthquake zones of the world. (3mrk)
(c) Explain three economic significance of rocks in Kenya. (3mrk)
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(d) Students carried out a field study on rocks around their school.
(i) State two importance of stating the objectives for the study. (2mrk)
(ii) Give three reasons why they prepared a route map of the study area. (3mrk)
.
(iii) Give three activities that the students where involved in during the field study. (3 mrk)
5. (a) (i) What is an orogeny? ( 1mrk)
Give two factors that influence the folding process of rocks.
(a) Name the parts marked X and Y.
X –
Y –
(b) State three effects of faulting on drainage of an area. (3mrk)
4. (a)Identify two scales used to measure the intensity of an earthquake. (2mrk)
(b) Give three major earthquake zones of the world. (3mrk)
(c) Explain three economic significance of rocks in Kenya. (3mrk)
–
(d) Students carried out a field study on rocks around their school.
(i) State two importance of stating the objectives for the study. (2mrk)
(ii) Give three reasons why they prepared a route map of the study area. (3mrk)
.
(iii) Give three activities that the students where involved in during the field study. (3 mrk)
5. (a) (i) What is an orogeny? ( 1mrk)
Give two factors that influence the folding process of rocks.
b) The diagram below shows some types of folds. Use it to answer the question
(i) Name the types of folds marked E and F. (2mark)
E –
F –
(ii) Describe how an overthrust fold is formed (4mark)
(c) Name the countries in which the following fold mountains are found.
(i) Atlas (1 mark)
(ii) Alps (1 mark)
(iii) Himalayas (1 mark)
(iv) Andes (1 mark)
(d) (i) Apart from fold mountains, name three other features resulting from folding. (3mrk)
(ii) Explain four ways in which fold mountains influence climate. (8mrk)
6. (a) Define the term planet (2mks)
7. (a) Differentiate between relative humidity and absolute humidity. (2mks)
b) Suppose air contains 5gm/m3 of water vapour at 22c. If the same air can hold a maximum of 10gm/m3 at the same temperature, calculate the relative humidity (2mks)
c) With the aid of a well labeled diagram, describe how aerographic rain is formed (7mks)