Geography Grade 10 Paper 1 KZN June 2015 Paper & Memo

Downloaded from hlayiso.com Page 1 of 6 KZN DEPARTMENT OF EDUCATION GREENBURY SECONDARY SCHOOL JUNE EXAMINATION — 2015 GEOGRAPHY — GRADE 10 EXAMINER :R. RANGANATHAN : DATE 2 18/06/15 MODERATOR :F. PARUK DURATION : 2 HOURS MAX MARKS: 140 NAME : GRIDIV. : INSTRUCTIONS : 1. This paper consists of 2 Questions and 6 pages + a separate Addendum. 2. Answer all questions. 3. Number questions as per question paper and rule off after each question. 4. Write neatly and legibly. 5. Use a blue or black pen — no neon colours allowed. QUESTION 1 — ATMOSPHERE AND GEOMORPHOLOGY 1.1 Match the statement in Column A with the concepts in Column B. Write down the numbers 1.1 — 1.5 and next to each, the letter of the correct answer from Column B. COLUMN A COLUMN B 1.1 Gaseous layer that supports life on earth. a) Evaporation 1.2 Process whereby water changes to water b) Atmosphere vapour. c) Isobar 1.3 Long wave radiation that heats lower layers d) Precipitation of earth. e) Solar radiation 1.4 Any form of water that falls from the f) Isotherm atmosphere. g) Terrestrial radiation 1.5 Lines on map that join places of equal h) condensation temperature. 5X1=[5] PTO + 2

Downloaded from hlayiso.com Page 2 of 6 1.2 Refer to the graph (Source 1A) - structure of the atmosphere and answer the following questions. 1.2.1 Provide labels for the layers of the atmosphere 1, 2, 3 and 4. [4] 1.2.2 In which layer is the ozone layer found? [2] 1.2.3. Explain the role of the ozone layer. [2] 1.3 Study the figure (Source 1B) — heating of the atmosphere and answer the following questions. 1.3.1 Define the following terms : a) Greenhouse effect [2] b) Deforestation [2] c) Fossil fuels [2] 1.3.2 List 3 sources of greenhouse gases that are illustrated in Source 1B. [3] 1.3.3 Predict what will happen to the temperature if more greenhouse gases continue to be added to the atmosphere as depicted in Source 1B. {2] 1.3.4 List 3 ways in which insolation is lost in the atmosphere. [3X1=3} 1.4 With the aid of a simple sketch, explain how latitude affects temperature. [8] 1.5 State whether the following are ‘true’ of ‘false’. 1.5.1. The Core is the inner most layer of the earth. 1.5.2 An upfold of rocks is called syncline. 1.5.3 Igneous rock was the first type of rock to form. 1.5.4 Magma is rock that is in solid form. 1.5.5 Sandstone is an example of sedimentary rock. [5] PTO 4083

C) Downloaded from hlayiso.com Page 3 of 6 1.6 Refer to Source 1C (the layers of the earth) and answer the following questions. 1.6.1 Provide labels for A, B, C and D. 1.6.2 Name the 3 types of rocks that you have studied. 1.6.3 What 2 factors cause rocks to metamorphose? 1.6.4 Explain what you understand by weathering. [4] [8] [2] [2] 1.7 Refer to diagram Source 1D (igneous intrusions) and answer the following questions. 1.7.1 Provide labels for features 1, 2, 3, 4. 1.7.2. Explain your understanding of volcanism. 1.7.3 Differentiate between intrusive and extrusive volcanism. 1.7.4. Name the 3 types of volcanic cones that you studied. “ToraL - Question 1 = [70] PTO. Quest 2... 4

Downloaded from hlayiso.com . og Page 4 of 6 QUESTION 2 2.1 Choose the correct term from the list below that matches the statements which follow. CRYSTALISATION SUBLIMATION, HUMIDITY, TEMPERATURE, RELATIVE-HUMIDITY, HEAT BALANCE, COALESCENCE EVAPORATION, CLIMATE 2.1.1 Degree of heat or cold. 2.1,2 Water changes directly from gas to ice. 2.1.3 Proportion of water vapour compared to the amount it can hold at any given ( ) temperature. 2.1.4 Earth radiates the same amount of energy that it receives from the sun. 2.1.5 Many minute water droplets joining together. [5x1=5] 2.2 Refer to the case study. Consequences of Global Warming (Source 2A) and answer the following questions. 2.2.1 Explain your understanding of global warming. (2] 2.2.2 List 3 possible consequences of global warming according to the case study. [3X2=6] 2.2.3 Explain why poor countries such as those in Africa will be affected worst by global warming. [2X2=4] 2.2.4 The following quotation is also from the UNICEF article. “Glimate change is a global issue. Addressing it is a shared responsibility. Yet it is increasingly apparent that the world’s poorest countries and most vulnerable people will bear the brunt of climate change.” With reference to the above quotation, answer the following questions. 2.2.4.1. According to the quote, addressing the climate change issue is a shared responsibility. Who needs to share this responsibility? Give a reason for your answer. [2+2=4] 2.2.4.2 If you were on a panel to decide how to address the issue of climate change, what points would you need to consider before making any recommendations? (List 3 points) [3X26] PTO 85

Downloaded from hlayiso.com Page 5 of 6. 2.3 Draw a weather station model that is experiencing the following weather conditions ¢ Cloud cover —% cloudy ¢ Wind direction — north easterly e Wind speed — 25 knots e Air temperature - 27°C e Dew point temperature - 10°C ¢ Precipitation — rainfall [6+2=8] 2.4 Choose the correct term from the list below. FOCUS, TSUNAMI, RIFT VALLEY, FAULT FOLDING, OVERFOLD, BLOCK MOUNTAIN 2.4.1 Greater pressure on one side. 2.4.2 Point of origin of the earthquake. 2.4.3 Huge tidal wave. 2.4.4 Acrack or fracture in the rock. 2.4.5 Block of land that moves upwards along fault lines. [5] 2.5 Refer to Source 2B (Plate tectonics and continental drift) and answer the following questions. 2.5.1 What is the name of the single continent that existed approximately 175 million years ago? [1] 2.5.2 Name the 2 landmasses the single continent formed about 170 million years ago. [2] 2.5.3 Give 2 pieces of evidence to back up this theory of continental drift. [2X2=4] PTO te] 6

Downloaded from hlayiso.com Page 6 of 6 2.6 Study the article (Japanese Volcano awakens — Source 2C and answer the following questions. 2.6.1 Explain your understanding of volcanologist. [2] 2.6.2 The Shinmoedake volcano can be classified as dormant. Provide evidence from the article to support this statement. [2] 2.6.3 Discuss the impact that this volcanic activity had on the residents of the area. [2X2=4] 2.6.4 Give one advantage that volcanic eruptions can have. [2] 2.7 Refer to article (Earthquake — Nepal) Source 2D and answer the following questions. 2.7.1 Define the following terms : a) Earthquake [2] b) Epicentre [2] 2.7.2 is a magnitude of 7.8 severe or less severe? [1] 2.7.3 Explain your understanding of an avalanche. [2] 2.7.4 What damage did the avalanche cause? [2] 2.7.5 According to the article, three UNESCO world heritage sites were damaged. Discuss the impact of this on the economy of Nepal. [2X2=4] “TOTAL - Question 2 = [70] TOTAL : [140] GREENBURY SECONDARY SCHOOL DEPARTMENT OF HSS H.0.D. MR D RAMASANIE (240é fig: C:

Downloaded from hlayiso.com ADDENDUM GRADE: 10 GEOGRAPHY

Souree Downloaded from hlayiso.com 120 4 nge rotate 0 10 6. Tene 100 4 905 4 80 70-5 Height in kilometres QD Oo I ~40 -20 0 20 -100 -80 -60 Temperature (°C) rbed by atmosphere Deforestation and earth 5 Oil and absorbed by petrol engines greenhouse gasses Source 1¢ 7. a= ]

() Downloaded from hlayiso.com Source 1 Source 2A Case study: Consequences of global warming Climate change is with us now. We see the impacts all around us. For the vast majority of people the impact of climate change means an increased risk of losing their homes and livelihoods, more disease, less security and sometimes death. Children in the world’s poorest communities are the most vulnerable. They are already seeing the impacts of climate change through malnutrition, disease, poverty, inequality and increasing tisk of conflict — and ultimately an increase in child mortality rates. All the essential effects we are seeing now are associated with a temperature increase since 1850 of less than 1 °C. Past actions and the likely trend of emissions of greenhouse gasses over the next few years imply that another 1 or 2 °C will be hard to avoid, even with responsible action. It will be the young and the poor and developing countries, such as [in] Africa, that will suffer earliest and hardest. Pa, Our children — particularly those in Africa and Asia — are already facing a future in which it appears likely that disasters will increase in number and become more intense, where economic growth will falter and incomes fall, where disease outbreaks will be more frequent, clean water and good sanitation harder to. secure, and habitats and communities less stable. As a consequence, children may also have to cope with higher levels of conflict and other pressures which keep them out of school and force them into work too soon. Many developing countries have poor infrastructure and lack the technologies that could help them cope with a changing climate, such as flood defences and early warning systems. They are thus more vulnerable to the impact of climate change and their children are the most vulnerable of all. (UNICEF UK Climate Change Report 2008) Fro & RS

DOUICE i) ded from hla is = “Se SO an | | | I DoS - — ( LAURASIA & { e ‘ an WN Ge — 1. The world was one large landmass called Pangaea 180 2. Pangaea began to break up into Laurasia and million years ago. Gondwanaland 175 million years ago. ae ; er ASIA y Caan we SS ane ra) \ i OCEANIA, V/a “FO ANTARCTICA, se sven nat Japanese volcano awakens with a vengeance By North Asia correspondent Mark Willacy Updated Mon Jan 31, 2011 9:06 pm. VOLCANIC LIGHTNING STRIKES ABOVE SHINMOEDAKE PEAK AS IT ERUPTS Officials in southern Japan have urged more than 1000 residents of a town near an erupting volcano to evacuate amid reports of large rocks falling in the area. Mount Shinmoe’s first major eruption in almost 200 years is sending plumes of ash and rocks kilometres into the sky. The eruption, on the southern island of Kyushu, has disrupted flights and train services and sparked warnings about another, even more powerful blast. More than 600 people have alreacly been evacuated. ; $ i | i £ t t Voicanologists say a giant lava dome on the volcano has now grown to more than 500 metres in diameter. For some people living near the volcano it is nothing more than a nuisance, but for others | it is like a biblical curse. “It’s good that it’s not hovering in the air,” a,used car lot owner said, taking a break from shovelling up the mess. “But it’s getting heavier and harder to clean up. This ash piled up on the cars will be hard to remove,” he complained, as his once immaculate lot of cars sits under centimetres of grey paste - the windscreen wipers on each vehicle sticking forlornly up in the air. Hi The mayor of Takaharu, a town near the volcano, says people have never seen Mount Shinmoe like it is. “It’s the first time the people of my community have experienced volcanic ash like this, so we are very concerned about their health,” Mitsuhiro Hidaka said. : With 108 active volcanoes, or 10 per cent of the world’s total, japan shakes precariously on the infamous Pacific Ring of Fire. ] The Japanese are wearily familiar with eruptions like Mount Shinmoe’s, but scientists warn there : could be worse to come. In the past nine months volcanologists estimate seven million cubic metres of magma have accumulated in two vast reservoirs underneath the peak and small pyroclastic | flows, or super-heated clouds of gas travelling at up to 700 kilometres per hour, have been seen | sweeping down Mount Shinmoe. The volcano’s behaviour is said to be eerily similar to its belligerent ' demeanour 300 years ago, when it belched and bellowed on and off for 18 months. : For the people living around Shinmoedake, this is just the latest biblical-style cataclysm, “Then came 2 the avian flu. Now the first eruption of the Shinmoedake volcano in 52 years. It is indeed a triple 4 blow of disasters we're suffering from now.” 4 Adapted from http://www.abe.net,au/news/stories/2011/01/31/3126199.htm — & ‘mere eacrspetteer mt REE renee ANH an oc a ee er ee ne Eh

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