1 Name: Grade 10 Mapwork: Worcester Worksheet Time: 1 Hour Answer in the spaces provided on the question paper. (Show all workings.) Section A: Topographic Map Refer to the topographic map and then answer the questions that follow. 1. Explain the map code of this map: _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ ___________________________________________________________________ (5) 2. Measure the straight line distance from spot height 496 (I6) to spot height 458 (I9). ___________________________________________________________________ (2) 3. Measure the distance along the R43 arterial route from the T-junction in Block D8 to where it exits Block E11 (near non-perennial river). ___________________________________________________________________ (3) 4. Calculate the area represented by Block G12. _____________________________________________________________________ _____________________________________________________________________ ___________________________________________________________________ (4) 5. a) Calculate the gradient between spot height 451 (H1) and spot height 235 (G4). _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ ___________________________________________________________________ (5) b) The gradient in Block E9 is 1:200. Which has the steeper gradient, Block E9 or the gradient you have measured in question 5a? Explain your answer. _____________________________________________________________________ _____________________________________________________________ 1 + 2 = (3) 6. Give the grid references for the following points: a) Trig. beacon 150 (G10) ___________________________________________________________________ (2) Total: 70 2 b) Horse Riding Club (D8) ___________________________________________________________________ (2) 7. If you were standing on the banks of the Brandvlei dam at the end of the hiking trail in Block E6, would you be able to see someone standing at spot height 203 (D3)? Explain your answer. _____________________________________________________________________ _____________________________________________________________________ ___________________________________________________________________ (3) 8. Name the following features/landforms on the topographic map: J: ____________________________________ (2) L: ____________________________________ (2) P: ____________________________________ (2) Q: ____________________________________ (2) Section A [37] Section B: Orthophoto Map Refer to the orthophoto map and then answer the questions that follow. 1. Measure the straight line distance from the railway line from spot height 259 (North East corner of map) to where it ends on the right edge of the map. ___________________________________________________________________ (2) 2. Which map has the larger scale? (topographic or orthophoto) ___________________________________________________________________ (1) 3. Justify your answer in Question 2 (above) by providing evidence from the maps. _____________________________________________________________________ ___________________________________________________________________ (2) 4. Give the block reference for each corner of the orthophoto as represented on the topographic map: NW: _______ NE: _______ SW: ________ SE: ________ (4) 5. Identify the land use in the following marked areas on the orthophoto map: T: ________________________________________________________________ (1) U: ________________________________________________________________ (1) Section B [11] 3 Section C: Interpretation Use both maps to answer the questions that follow. 1. This area receives low rainfall. Explain TWO pieces of evidence found on the topographic map. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ ___________________________________________________________________ (4) 2. A developer would choose not to do any construction in the area labelled Q on the topographic map. Give TWO reasons why this area is unsuitable for development. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ ___________________________________________________________________ (4) 3. The sewage works (in Block D10/E10) is located on the edge of town. Describe TWO reasons for the location of such a feature. _____________________________________________________________________ _____________________________________________________________________ ___________________________________________________________________ (4) 4. Discuss TWO possible uses of the Worchester Dam in Block(s) B9/C9. _____________________________________________________________________ _____________________________________________________________________ ___________________________________________________________________ (4) 5. Towns often grow larger as population numbers rise. If Worcester was to expand it would not be in a Northerly direction. Explain why this is so. _____________________________________________________________________ _____________________________________________________________________ ___________________________________________________________________ (2) 6. The rifle range in Block D7 is situated far from the town. Given your knowledge of a rifle range, describe TWO reasons for the location of this feature. _____________________________________________________________________ _____________________________________________________________________ ___________________________________________________________________ (4) Section C [22] Total: 70