Geography Grade 10 IEB June 2019 Memo

Downloaded from hlayiso.com TEACHERS WITHOUT BORDERS PROGRAMME BROUGHT TO YOU BY With grateful thanks to our associate partners, The National Department of Basic Education, The Independent Examinations Board, Siyavula Education, Smarticks, Noteshare, Lemonlicious, datacentrix, and most of all, to the schools and teachers from both the public and private education sectors who as founder contributors, have lent content to the Teachers without Borders programme, for the benefit of all South Africa's learners. In Bill Gates words, at the Mandela Day ‘Living Together’ address: “Maintaining the quality of this country’s higher education system while expanding access to more students will not be easy. But it’s critical to South Africa’s future” – working together, we can help achieve this." Contributing schools to date: Clifton School Milnerton High Rustenburg Girls’ High St Peter's Durban Girls' Northwood High St Anne's DC St Stithians Fairmont High Roedean St John's DSG Wynberg Boys' High Herzlia High Rondebosch Boys’ St Mary's DSG Kloof Wynberg Secondary

Downloaded from hlayiso.com G10 June 2019 MEMO 1.1 a) A Troposphere B Stratosphere b) Nitrogen 78% Oxygen 21% 1.2 i) Stratopause ii) no change in temp as Alt increases 1.3 20°C 1.4.1 F Further from energy source, Molecules further apart = inefficient conduction 1.4.2 Temperature inversion 1.5.1 Ozone layer 1.5.2 protects us from UV radiation 1.5.3 cancer & cateracts. Less photosynthesis 2.1 China & USA 2.2 China 2.3 2.4 Increased sea level= migration, drought & famine, increased disease prevalence, extinction, destruction of coral …… 2.4 absorbtion, reflection, refraction 3.1 ACBEDF 3.2 50 g/Kg 3.3 a)Temp at which condensation occurs b) amt of wv in air relative to the wv capacity at a temp 3.2.3 increase in wv, decrease in temp 3.2.4 30.8% 3.2.5 No RH is far from saturation 3.2.6 a) Winter b) Cyclonic °

Downloaded from hlayiso.com 4.1.1 3500m-1500m=2000m/100=20m*0.65=13°C 11C-°13C°=-2°C 4.1.3 26 , 12 4.1.4 i) HP ii)1006 hPa iii) SE 4.1.5 iii 4.1.6 Alt & Shape 5.1 24°55’40”S 5.2 a) 18° b) 34°35’W c) NNW d) 1500m 5.3 5.4 a) 1420m b) rise 5.5 Powered by TCPDF (www.tcpdf.org)