Scale and Measurement
Geography · 50 practice questions
Scale and measurement of distances and areas; reduction and enlargement; directions, bearings and gradients with reference to topographical maps.
- Apply different types of scale to distance and area measurement.
- Understand conversion of scales.
- Apply scale to gradients, map reduction and enlargement.
- Apply directions and bearings to geographical features.
Try a few questions
- Practice question 1
A journey covers an actual ground distance of 45km. At a map scale of 1:900,000, this is represented by
- A.50 cm
- B.0.5 cm
- C.45 cm
- D.5 cm
Show the answer
D. 5 cm
45km = 4,500,000cm; map distance = 4,500,000 ÷ 900,000 = 5cm.
- Practice question 2
A linear scale, also called a statement scale, expresses the relationship between map distance and ground distance in
- A.colours alone, with no numerical or verbal content
- B.a single fraction with no units stated
- C.words, such as "1 centimetre represents 1 kilometre"
- D.a bar divided into graduated segments exclusively
Show the answer
C. words, such as "1 centimetre represents 1 kilometre"
A statement (linear) scale specifically states the map-to-ground relationship in words.
- Practice question 3
A map has a scale of 1:10,000. An area of 4 square centimetres on the map represents an actual ground area of
- A.40 hectares
- B.4 hectares
- C.400 hectares
- D.0.4 hectares
Show the answer
B. 4 hectares
Ground area = 4 x (10,000)² sq cm = 4x10⁸ sq cm = 40,000 sq m = 4 hectares (since 1 hectare = 10,000 sq m).
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