GEOGRAPHY TOPICAL QUESTIONS AND ANSWERS - ATIKA SCHOOL

What is mechanical weathering?

1/3/2021

KCSE Geography Paper 1 2001 Section A Question 3.

(a) What is mechanical weathering?

It is the breaking down/ disintegration of rocks into smaller particles without altering the minerals composition of the rock/ breaking down or rocks by physical force

(b) How is an exfoliation dome formed?

A large homogeneous rock is exposed to alternate expansion and contraction of the outer layer in a rock. This is caused by temperature differences. Once the material has peeled off and rolled away a smooth dome shaped rock is left behind. It is called an exfoliation dome.

(a) What is mechanical weathering? (b) How is an exfoliation dome formed?

State two conditions that are necessary for the formation of fog.

1/3/2021

KCSE Geography Paper 1 2001 Section A Question 2.

(a) State two conditions that are necessary for the formation of fog.

There must be clear sky/ absence of clouds ( to permit free terrestrial radiation)
There must be sufficient moisture in the air
The air must be cooled below dew point
The wind must be light/ calm

(b) The diagram below shows some types of clouds. Use it to answer the questions that follow.

(a) State two conditions that are necessary for the formation of fog. (b) The diagram below shows some types of clouds. Use it to answer the questions that follow. (i) Name the clouds marked R (ii) Give two weather conditions associated with cumulonimbus clouds

(i) Name the clouds marked R

R- Cumulus

(ii) Give two weather conditions associated with cumulonimbus clouds

Thunder and lighting
Hailstones
Heavy rainfall
Dark clouds

Give the two dates in a year during which the number of hours of darkness is equal in both the north and south poles.

28/2/2021

KCSE Geography Paper 1 2001 Section A Question 1.

(a) (i) Give the two dates in a year during which the number of hours of darkness is equal in both the north and south poles.

21st March and 23rd September

(ii) Why do the lengths of days and nights vary from one part of the earth to another?

Because earth is titled on its axis
Because of the apparent movement of the sun within the tropics
Because of the regulation of the earth

(b) The diagram below shows the revolution of the earth around the sun. Use it to answer the questions that follow

(a) (i) Give the two dates in a year during which the number of hours of darkness is equal in both the north and south poles. (ii) Why do the lengths of days and nights vary from one part of the earth to another? (b) The diagram below shows the revolution of the earth around the sun. Use it to answer the questions that follow (i) If the earth takes 366 days to make a complete revolution during a leap year, how long will it take to move from position 1 to position 4? (ii) What season is experienced in the southern hemisphere when the earth is in Position 1?

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