Geography Grade 12 Paper 2 KZN Prelim 2017 Memo

Education KwaZulu-Natal Department of Education REPUBLIC OF SOUTH AFRICA ‘Geography/P2 2 Preparatory Examination September 2017 NSC - Memorandum QUESTION 1: MULTIPLE-CHOICE QUESTIONS The questions below are based on the 1:50 000 topographic map 2729BD VOLKSRUST as well as the orthophoto map as part of the mapped area. Various options are provided as possible answers to the following questions. Choose the correct answer and write only the letter (A — D) in the block next to each question. 1.1. The map index/reference of the orthophoto map to the north of Volksrust is ... = A 2729 BD 7 in KwaZulu-Natal. apteemmricn 9 B 2729 BD 8 in Mpumalanga. Ps Cc 2729 BD 8 in KwaZulu-Natal. By - D 2729 BD 7 in Mpumalanga. . bei 1.2 The direction of Belfast from benchmark 1677.9 in block I 2 is... . H A east north east. a B west north west. - Cc west south west. BY tt D west north west * Seas 1.3 The type of infrastructure found between 8 and 9 on the orthophoto map isa... NATIONAL SENIOR CERTIFICATE A canal. B tunnel. c power line. cv D pipe line. 1.4 The type of slope found at 6 on the orthophoto map is a ... slope. :. A steep 3:75 B terraced Cc gentle AY D concave This marking guideline consists of 12 pages. 1.5 Recreational feature 7 on the orthophoto map is a ... A hiking trail. B soccer field. c park, Dv D golf course. Reserved . Please Tum Over Copyright Reserved Please Tum Over

Geographyrr2 19 3 NSC - Memorandum, The approximate height of the land on which the reservoir in block D2 is located is... metres. A 1705 B 1680 Cc 1700 BY D 1720 The contour interval on the orthophoto map is ... metres. A 5 B 10 c 15 AY D 20 The land-use zone in block D2 on the topographic map is known as the ... A industrial zone. B zone of decay. Cc rural-urban fringe. Cv D commercial zone. Volksrust has hilly areas predominantly to the north east and south west and can therefore be regarded as a/an ... town. AS gap B mining Cc recreation AY D educational The predominant (major) street pattern at L in blocks D3/4 on the topographic map was designed for ... A reducing traffic congestion. B avoiding hilly areas. Cc easy layout. Cv D creating aesthetic appeal. The pattem of the rural settlement found at T in block J3 is a ... settlement. A nucleated B isolated. C dispersed. AY D linear. jht Reserved Please Tum Over Preparatory Examination September 2017 Geography/P2 4 Preparatory Examination September 2017 NSC - Memorandum 1.12 The stream order of the river at K in block A6 on the topographic mapis ... A 4 B 3. Cc 2. D 1 1.13. The actual distance of the Volksrust runway in block D2/3 ‘on the topographic map is ... kilometres. 14 3.8 1.8 24 9ONDr 1.14 The human-made feature 2 on the orthophoto map is a ... A perennial water. B sewerage works. Cc purification plant. D water works. Cv AY BY 1.15 The stream found at A is a non-perennial stream that flows down a steep gradient and is dominated by ... flow. A turbulent B laminar Cc straight D meandering ‘Copyright Reserved AY (1 x 15) [15] Piease Tum Over

Geography/P2 5 Preparatory Examination September 2017 Geography/P2 6 Preparatory Examination September 2017 NSC - Memorandum NSC - Memorandum QUESTION 2: MAPWORK TECHNIQUES AND CALCULATIONS. 23. Refer to the demarcated area in RED on the topographic map which represents the orthophoto map. Use the demarcated area to calculate pai % 2.1 Refer to both the topographic map and the orthophoto map when answering Me fstecbael daly Pes bondi in km*. Show ALL calculations. the questions below. . Formula: Area = length x breadth 2.1.1 Which one, the topographic map or the orthophoto map, has a al Length = 10,3 ¥ cm x 0,5 = 5.15 km (Range 10.2 cm-— 10.4 cm) (5.1 km — 5.2 km) Orthophoto map (1x1) (1) Breadth = 10 em x 0,5=5 km (Range 9.9 cm 10.1 cm) (4,95 km— 5.05 km) 2.1.2 Give ONE reason to support your answer to QUESTION 2.1.1. = 5,15 Vkmx 5V¥ km Orthophoto maps scale is 5 times larger than the scale of = 25,75 km? v the topographic map ~ Features are larger compared to the topographic map “ [Range: 25.24 -26.26 km (5 x 1) (5) 1:10 000 is a larger scale than 1:50 000V [Any ONE] (1.x 1) (4) [Accept other formulas to calculate area] 2.1.3 Give the grid reference of spot height 1606 in block I 6 labelled M. 2.4 Locate points 4 and 40 on the orthophoto map. 27°27'50" S [44" to 56"JV 29° 55'40"E[34" to 46°] : ‘ : - ia . 2.4.1 Calculate the average gradient between points 1 and point 10 on 27° 27° 8°S [27 7' to 27, 9]V 29° 55°6" E[55. 5' to 55,7] (2x1) (2) the orthophoto btn nea aL eaiciphens: Mane al Be 2.2 Refer to trigonometrical station 235 and spot height 1686 in block E8. setae calc - cane. ___Verticalinterval (VI) 1.2.1. Give the true bearing of trigonometrical station 235 from spot Formula: Gradient +r ontabquivalent{HE) height 1686. 34°¥ (Range 33° - 35°) (1x 1) (1) VWi= 1725.7 m— 1680 m A aca 5 : i =45.7m~ 1.2.2 Is there intervisibility between trigonometrical station 235 and Spot height 1686? HE =2.2cmx 1007 OR HE =22cm x10000v [Range 2.1cm - 2.3em 100 Yes (1x1) (1) =220m = 220m ~ [Range 210m - 230m] 1.2.3 Give a reason for your answer to QUESTION 2.2.2. G =457V G = 457V There are no obstructions /obstacles between trigonometrical 220 220 Station 235 and spot height 1686” (1x 1) (1) [Mark allocated for substitution] =e _ 48 48 = 1:4.8/1in4.8V = 1:4,8/1in 4.84 Range [1 : 4.50- 1 : 5.03] (8x1) (6) Ce Reserved Please Tum Over Copyright Reserved Please Tum Over

Geography/P2 Prepara.. , Examination September 2017 7 NSC - Memorandum 2.4.2 Is the average gradient answer to QUESTION 2.4.1 steep or gentle? Steep ¥ x) 2.4.3. Explain why your answer to QUESTION 2.4.2 For every 1 unit vertically we move 4.8 units horizontally “ Small ratio between height and distance ¥ 2 [Any ONE] (1x 1) (1) 2.4.4 The town planners of Volksrust intend to create a viewing site at point 10 with the aim of attracting tourists, however, the steep gradient poses a challenge in the construction of a road to point A. Suggest ONE method of road construction civil engineers can use to overcome this challenge. CuttingsY Embankment ¥ [Any ONE] (1x 1) (1) {20] 3.3 QUESTION 3: APPLICATION AND INTERPRETATION 3.1. Refer to the general information on page 3 and the topographic map to answer the following questions. 3.1.1 Does Volksrust receive seasonal or perennial rainfall? Seasonal ¥ (1x 4) (1) 3.1.2 Give ONE point of evidence from the information sheet and ONE point of evidence from the topographic map to support 3.4 your answer to QUESTION 3.1.1. Information Sheet; Highest rainfall during summer months (November- March) ~~ Lowest rainfall in the winter months (May-September) ~~ 1 mm in July and 117 mm in January “ [Any ONE] Geography/P2 8 Preparatory Examination September 2017 NSC - Memorandum 3.1.3 Taking your answer to QUESTION 3.1.1 into account, was the orthophoto map taken in summer or winter? Give a reason for your answer. (1 + 2) (3) QUESTION 3.1.3 HAS BEEN DELETED DUE TO TECHNICAL ERROR. RECALCULATE FINAL TOTAL. Refer to block J5 3.2.1 State the general flow direction of the Buffelsrivier River. South ¥ (1x 1) (1) 3.2.2 Give ONE reason from the topographic map for your answer to QUESTION 3.2.1. Higher-lying ground in the north ¥¥ Tributaries join main stream from the north ¥~ V-shaped contour line (H5) crossing river point upstream¥“ (1 x2) (2) [Any ONE] Refer to the drainage pattern in block A6. 3.3.1. Identify the drainage pattern in block A6. Dendritic V (1x 1) (1) 3.3.2 State the underlying rock structure associated with this drainage pattern, answer to QUESTION 3.3.1. rock structure with uniform resistance to erosion ¥ (1x 1) (1) If Volksrust had to experience extremely high rainfall over a short period of time, explain how the amount of vegetation would influence the chances of flooding in the north eastern section of the town. Vegetation will reduce the water flow and decrease the impact of flooding V¥ The lack of vegetation will increase the water flow and increase the impact of flooding. “~~ (1x2) (2) Topoaraphic map: Non-perennial/periodic rivers” [Any ONE] Many dams “ Reservoirs ~ Windpump ~ [Any ONE] (2x 1) (2) ‘ight Reserved Please Tum Over Copyright Reserved Please Tum Over

Geography/P2 9 Preparatory Examination September 2017 NSC - Memorandum 3.5 Refer to block C40 on the topographic map. 37 3.5.1 Does the farmer at Wynvale practise large scale or small scale farming? large scale farming V (1x 1) (1) 3.5.2 Give ONE reason from the topographic map to support your answer to QUESTION 3.5.1. 3.8 3.6 Copyr Large areas cultivated Vv Farms have boundaries vv Good transport network Vv [Any ONE] (1x2) (2) 3.5.3 State ONE physical factor that favours farming in block C40. Fertile soil ¥ Availability of water v Flat land ¥ [Any TWoj (1x1) (4) 3.5.4 Explain the importance of the rows of trees found around the cultivated lands in block C1 The trees serve as protection for the farmland against strong winds V~ Serves as a farm boundary “V [Any ONE] e residential area Jubapark on the orthophoto map is 2 high-income sidential area. Give ONE piece of evidence from the orthophoto map support this statement. (4x2) (2) vay from the industries and CBD V ‘ar the recreational facilities V rger houses ¥ rger plots / low density “ rger stands ¥ wre trees V iy ONE] (x1) (4) Please Turn Over Geography/P2 10 Copyright Reserved Preparatory Examination September 2017 NSC - Memorandum The area around the Amajuba Forest to the south west of the topographic map has important historical significance. Support this statement by using evidence from the topographic map. fuba 18817 momument “ Regiment ¥ Battlefield ¥ [Any ONE] Evaluate possible environmental injustices that could have been caused by the excavation occurring in blocks G4 and E3/4. (1x1) (4) Unhealthy environment can lead to spread of diseases and ill health Destruction of natural vegetation could cause the extinction of flora and fauna / . Destroys ecosystem/biodiversity/nabitat Soil erosion could resuit in siltation of dams and the choking of rivers / Destroy aesthetic appeal resulting in loss in tourism Vv Scars the land causing environmental despoliation v Mass movement will resuit in landslides causing nearby homes to be affected ¥ [Any Two] (2x 2)(4) [25] Please Tum Over

Geography/P2 1" Preparatory Examination September 2017 NSC - Memorandum QUESTION 4: GEOGRAPHICAL INFORMATION SYSTEMS (GIS) 4.1 The diagram below illustrates the concept of data integration. Study the diagram carefully and answer the questions that follow. Census Tracts Roads Bus Routes Shopping Centers Industrial Sites GIS: AnIntegrating Technology Source: Http:/www.colorado.edu/geography/gcraft/notes/intromtm| -1.1 Define the term data integration. The combining of data from different maps into one map which summarises the overlaying process “ [Concept] (1x 1)(1) .1.2 List TWO types of data that a farmer in Volksrust will consider before cultivation. Availability of water “ Fertility of soil Relief of the land (slope) Microclimate ¥ Access to infrastructure V Access to transport V [Any Two} (2x 1) 2) .1.3 With reference to the data identified in QUESTION 4.1.3 explain how.a farmer at S in block B7 could use the process of data layering to decide on the best location for his farm. The farmer can select data layers such as availability of water, availability of flat land and areas of fertile soil and make a decision on the most suitable area for farming Vv” (1x 2)(2) Co Reserved Please Tum Over Geography/P2 2 Preparatory Examination September 2017 NSC - Memorandum 4.2 Two grade 12 learners from a school in Volksrust have an assignment on fluvial features and as part of the assignment they have to take photographs of the Papale River Waterfall located at Y in block F6. One has a 2.0 megapixel camera and the other has a 3:5 megapixel camera. The resolution of the photographs taken by the boys will differ. 4.2.1 Define the term resolution. The clarity of a picture or object V [Concept] (1x 1) (1) 4.2.2 Which one of the cameras will take better quality pictures? Explain your answer. ANSWER: The 3.5 megapixel camera ¥ EXPLANATION: Because it is a higher resolution camera V Higher definition / better definition VV More squares per unit areav¥ Smaller pixels which lead to clear picture Vv“ (1 + 2) (3) 4:3. Anurban and regional planner wants to determine the impact that urban sprawl may have in the north western part of the town of Voiksrust. 4.3.1 State and define the GIS process that an urban and regional planner would use to limit the impact of urban spraw in this area. Buffering “ A demarcation around the geographical feature/area “ (2x 1)(2) [Concept] 4.3.2 Suggest how the GIS process identified in QUESTION 4.3.1 will impact positively on the north westem part of the town of Volksrust on the primary activities. It will prevent the invasion of farmland. ~~ The destruction of the water course will result in the shortage of water needed for farming. r~" (2x2) (4) 15) TOTAL MARKS: 75 Recalculation of Total QUESTION 3.1.3 HAS BEEN DELETED DUE TO TECHNICAL ERROR. RECALCULATE FINAL TOTAL. The final total will be calculated out of 72 marks and thereafter re-caculated back to 75 marks. Copyright Reserved

Geography/P2 Preparatory Examination September 2017 7 NSC - Memorandum 2.4.2 \|s the average gradient answer to QUESTION 2.4.1 steep or gentle? Steep Vv (A xAye (A) 2.4.3. Explain why your answer to QUESTION 2.4.2 For every 1 unit vertically we move 4.8 units horizontally ¥ Small ratio between height and distance ¥ ate [Any ONE] ax) 2.4.4 The town planners of Voiksrust intend to create a viewing site at point 10 with the aim of attracting tourists, however, the steep gradient poses a challenge in the construction of a road to point A. Suggest ONE method of road construction civil engineers can use to overcome this challenge. CuttingsY Embankment ¥ [Any ONE] (x1) (1) [20] 3.3 QUESTION 3: APPLICATION AND INTERPRETATION Refer to the general information on page 3 and the topographic map to answer the following questions. 3.1.1 Does Volksrust receive seasonal or perennial rainfall? Seasonal ¥ (1x 1) (1) 3.1.2 Give ONE point of evidence from the information sheet and ONE point of evidence from the topographic map to support 3.4 your answer to QUESTION 3.1.1. Information Sheet: Highest rainfall during summer months (November- March) ~~ Lowest rainfall in the winter months (May-September) ~~ 1 mm in July and 117 mm in January ~ [Any ONE] ‘Topographic map: Non-perenniel/periodic rivers Many dams ~“ Reservoirs ” Windpump ~ [Any ONE] (2x 1) (2) ight Reserved Please Tum Over Geogrephy/P2 Copyright Reserved 8 Preparatory Examination September 2017 NSC - Memorandum 3.1.3 Taking your answer to QUESTION 3.1.1 into account, was the orthophoto map taken in summer or winter? Give a reason for your answer. (1 +2) Q) QUESTION 3.1.3 HAS BEEN DELETED DUE TO TECHNICAL ERROR. RECALCULATE FINAL TOTAL. Refer to block J5 3.2.1 State the general flow direction of the Buffelsrivier River. South ¥ (1x 1) (1) 3.2.2 Give ONE reason from the topographic map for your answer to QUESTION 3.2.1. Higher-lying ground in the north “¥ Tributaries join main stream from the north “7 V-shaped contour line (H5) crossing river point upstream VV [Any ONE] (1x2) (2) Refer to the drainage pattern in block A6. 3.3.1. Identify the drainage pattern in block A6. Dendritic ¥ (1x 1)(1) 3.3.2 State the underlying rock structure associated with this drainage pattern, answer to QUESTION 3.3.1. rock structure with uniform resistance to erosion ¥ (1x 1)(1) If Volksrust had to experience extremely high rainfall over a short period of time, explain how the amount of vegetation would influence the chances of flooding in the north eastem section of the town. Vegetation will reduce the water flow and decrease the impact of flooding Vv“ The lack of vegetation will increase the water flow and increase the impact of flooding. “~~” [Any ONE] (1x 2)(2) Please Tum Over