Page 25 - Geography for Secondary Schools Student’s Book Form One

Geography for Secondary Schools
Student’s Book Form One
Exercise 2.3

1. Give evidence to justify that the Earth is not a flat surface.

2. How does the Earth’s shape affect the occurrence of day and night?

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Revision exercise 2

1. Differentiate the following;
(a) Inter-stellar dust hypothesis and Nebular hypothesis

(b) Planet and Milky Way Galaxy
2. Match the item in Column A with their corresponding response in Column B
Column A Column B

(a) Evidence to prove that the shape of (i) Earth
the Earth is a slightly flattened sphere
(ii) Orbit
(b) The fifth largest planet in the solar
system (iii) Sun
(iv) Circumnavigation
(c) It generates heat and light that are
essential for life (v) Solar eclipse

(d) Jupiter, Saturn, Uranus, and Neptune (vi) Gas giant planets

(e) Mercury, Venus, Earth and Mars (vii) Rocky planets

3. In which ways does the Earth sustain life by considering the role of soil, water,
sunlight, and various gases like oxygen, carbon dioxide, hydrogen and ozone in
the process?

4. Planets are positioned in different locations in the solar system; they all revolve
around the sun. Give reasons why they do not experience collisions.

5. Assume the distance between the Earth and the sun is reduced by half; explain what
is likely to happen to living organisms on the Earth.

6. Explain with examples the consequences for living organisms, if the Earth were
situated at a different position within the solar system.

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