GEOGRAPHY PAPER 2
GRADE 12
NATIONAL SENIOR CERTIFICATE
JUNE 2018

RESOURCE MATERIAL

  1. An extract from topographic map 2930AC HOWICK
  2. Orthophoto map 2930AC 25 HOWICK
  3. NOTE: The resource material must be collected by the schools for their own use.

INSTRUCTIONS AND INFORMATION

  1. Write your NAME in the space provided on the cover page.
  2. Answer ALL the questions in the spaces provided on this question paper.
  3. You are provided with a 1 : 50 000 topographic map (2930AC HOWICK) and an orthophoto map (2930AC 25 HOWICK) of a part of the mapped area.
  4. You must hand in the topographic map and the orthophoto map to the invigilator at the end of this examination session.
  5. You may use the blank page at the back of this paper for all rough work. DO NOT detach this page from the question paper.
  6. Show ALL calculations and formulae, where applicable. Marks will be awarded for these.
  7. Indicate the unit of measurement in the final answer of calculations. No marks will be allocated for answers with incorrect units.
  8. You may use a non-programmable calculator and a magnifying glass.
  9. The area demarcated in RED on the topographic map represents the area covered by the orthophoto map.
  10. A glossary of some of the English and Afrikaans words which appear on the topographic map and their translations appears below.
ENGLISH  AFRIKAANS 
Landing strip 
Furrow 
Caravan Park 
Canal 
Sewerage works
Golf Course 
Excavation 
Nature reserve 
Rifle Range 
Aerodrome 
Ravine 
Vliegveld
Voor
Karavaanpark
Kanaal
Rioolwerke
Gholfbaan
Uitgrawing
Natuurreservaat
Skietbaan
Vliegveld
Kloof

 

GENERAL INFORMATION ON HOWICK

Howick is a town located in the KwaZulu-Natal province, South Africa. The town is
1 050 meters above sea level and about 88 kilometres from the city of Durban. It enjoys
warm summers and cool dry winters. A snappy chill descends upon Howick when snow
falls on the nearby Drakensberg. The town is located on the N3 freeway, connecting it with
the rest of South Africa.
Gen
Coordinates: 29° 28'00"S 30°14'00"E / 29°28'S 30°14'E. 

QUESTION 1: MULTIPLE-CHOICE QUESTIONS
The questions below are based on the 1 : 50 000 topographic map (2930AC HOWICK) as well as the orthophoto map of a part of the mapped area. Various options are provided as possible answers to the following questions. Choose the answer and write only the letter (A–D) in the block next to each question.
1.1 The map reference of the orthophoto map south west of Howick is …

  1. 2930AC 25.
  2. 2930CA 4.
  3. 2930AC 24.
  4. 2930CB 1.

1.2 The highest altitude between numbers 1 and 2 on the orthophoto is … metres.

  1. 987
  2. 985
  3. 970
  4. 982

1.3 The area covered by the orthophoto map on the topographic map is approximately … km2.

  1. 34,25
  2. 35,00
  3. 35,20
  4. 36,88

1.4 The settlement pattern C in block K6 on the topographic map is …

  1. clustered.
  2. dispersed.
  3. linear.
  4. circular.

1.5 The type of road, D in block H11 on the topographic map is a/an …

  1. main road.
  2. arterial road.
  3. other road.
  4. national freeway.

1.6 The channel pattern of the Mgeni River at the area labelled 3 on the orthophoto map is a … stream.

  1. deposition
  2. braided
  3. laminar
  4. delta

1.7 The approximate time the orthophoto was taken would be …

Related Items

  1. 08:00–10:00.
  2. 10:00–12:00.
  3. 12:00–14:00.
  4. 15:00–17:00.

1.8 Kwa Mevana labelled 9 on the orthophoto map is located in/on a …

  1. spur.
  2. saddle.
  3. ridge.
  4. valley.

1.9 The province in which Howick town is located is …

  1. KwaZulu-Natal.
  2. Free State.
  3. Mpumalanga.
  4. Gauteng.

1.10 The true bearing of trigonometrical station 270 in block J13 from the letter E in block J13 on the topographic map is …

  1. 156°.
  2. 241°.
  3. 120°.
  4. 102°.

1.11 The location (coordinates) of the spot height 1495 in block J4 is …

  1. 29°28'36"E 30°02'42"S / 29°28.6'E 30°02.7'S.
  2. 29°29'36"S 30°03'42"E / 29°28.6'S 30°03.7'E.
  3. 30°02'42"E 29°28'36"S / 30°02.6’E 29°28.36’S.
  4. 29°28'36"S 30°02'42"E / 29°28.6'S 30°02.6'E.

1.12 The natural feature at 4 on the orthophoto map is a …

  1. lake.
  2. waterfall.
  3. forest.
  4. dry pan.

1.13 The distance between F (block A4) and G (block A4) on the topographic map is … metres.

  1. 3,5
  2. 3 500
  3. 1,75
  4. 1 750

1.14 The feature at 5 on the orthophoto is a/an …

  1. electric fence.
  2. hiking trail.
  3. pipe line.
  4. power line.

1.15 The contour interval on the orthophoto map is … metres.

  1. 2
  2. 5
  3. 10
  4. 20
  5. (15 x 1)

[15]

QUESTION 2: MAPWORK CALCULATIONS AND TECHNIQUES
2.1 The scale of the topographic map is 1 : 50 000. Write down as a word scale. (1 x 1) (1)
2.2 Locate Tabankulu settlement (block E12) and spot height 1199 (block E14) on the topographic map.
2.2.1 What was the magnetic bearing of Tabankulu (block E12) from spot
height 1199 (block E14) in 2016? Show ALL your calculations. Marks will be awarded for calculations.
Formula: Magnetic bearing = True bearing + Magnetic Declination
True bearing =
Difference in years:
Mean annual change:
Total change:
Magnetic declination for 2016:
Therefore: MB =
(5 x 1 + 2) (7)
2.3 Locate points A (block I9) and B (block I10) on the topographic map.
2.3.1 Calculate the average gradient of the road between A and B on the topographic map.
Show ALL calculations. Marks will be awarded for calculations.
Formula:Gradient =      Vertical Interval (V.I)      
                               Horizontal Equivalence (H.E)

2.3.2 With reference to the answer to QUESTION 2.3.1, is the gradient a true reflection of the actual landscape on which the road is built? Give a reason for your answer.
Yes or No:
Reason:
(2 x 1) (2)
2.3.3 Gradient is very important in planning road and railway construction.
Is the gradient calculated in QUESTION 2.3.1 suitable for railway construction? Justify your answer.
Yes or No:
Answer:
(2 x 1) (2)
2.4 Locate points 6 and 7 on the orthophoto map.
2.4.1 Draw a free-hand cross-section between points 6 and 7 on the orthophoto map.
2.41
(2 x 1) (2)
2.4.2 Why is it important to draw a cross-section? Give ONE reason.
(1 x 1) (1)
[20]

QUESTION 3: APPLICATION AND INTERPRETATION
3.1 Refer to the area enclosed by the letter H (blocks E9/10) on the topographic map.
3.1.1 Identify the drainage pattern found in the area H (blocks E9/10) on the topographic map.
(1 x 1) (1)
3.1.2 Provide THREE map evidences to support the answer to QUESTION 3.1.1.
(3 x 1) (3)
3.1.3 Determine the stream order of the stream enclosed within area H (blocks E9/10) on the topographic map.
(1 x 2) (2)
3.1.4 Does the stream within area H (blocks E9/10) flow in a northerly or southerly direction? Give TWO map evidences visible within blocks E9/10 and F10, to support your answer.
Direction:
Reasons:
(1 + 2 x 2) (5)
3.2 Refer to the both topographic map and the orthophoto map.
3.2.1 Identify land-use at 8 on the orthophoto map.
(1 x 1) (1)
3.2.2 Was the orthophoto taken in early summer or middle summer? Use the tone of land-use 8 to motivate your answer.
Season:
Motivation:
(1 x 3) (3)
3.3 Refer to the Lions River (block H2).
3.3.1 Is the Lions River a graded or ungraded stream?
(1 x 1) (1)
3.3.2 Give ONE piece of evidence from the topographic map to justify your answer to QUESTION 3.3.1.
(1 x 2) (2)
3.4 Locate residential area 9 on the orthophoto map.
3.4.1 Is the residential area labelled 9 on the orthophoto map a high-income or low-income residential area?
(1 x 1) (1)
3.4.2 Give TWO pieces of evidence from the orthophoto map to support the answer to QUESTION 3.4.1.
(2 x 2) (4)
3.5 Locate the dams in block A9 on the topographic map.
3.5.1 What do these dams tell you about rainfall in the area?
(1 x 2) (2)
[25]

QUESTION 4: GEOGRAPHICAL INFORMATION SYSTEMS (GIS).
4.1 Spatial data is stored in two different formats, namely vector and raster data.
4.1.1 Distinguish between vector and raster data.
Vector:
Raster:
(2 x 1) (2)
4.1.2 Is the topographic map of Howick in a vector or raster data format?
(1 x 1) (1)
4.1.3 Provide ONE reason for your answer to QUESTION 4.1.2.
(1 x 1) (1)
4.2 Find the railway line in block I7 on the topographic map. Give ONE attribute
of the railway line.
(1 x 1) (1)
4.3 The topographic map extract below shows a buffer zone that is in block K10.
4.3
4.3.1 What is a buffer zone?
(1 x 1) (1)
4.3.2 With reference to the map extract, explain why this specific buffer zone was created.
(2 x 2) (4)
4.4 A local businessman wants to open a food outlet in Kwa Mevana (block K14).
4.4.1 Mention TWO possible sets of data/information that the local businessman needs to retrieve(obtain) from the database to determine whether it would be profitable to set up his food outlet at Kwa Mevana.
(2 x 2) (4)
4.4.2 Why is it important that the local businessman queries the data retrieved from the database?
(1 x 1) (1)
[15]

TOTAL: 75

Last modified on Monday, 23 August 2021 08:16