Gr 6 NST English June 2016 Possible Answer hlayiso.com

Downloaded from hlayiso.com GAUTENG DEPARTMENT OF EDUCATION PROVINCIAL EXAMINATION JUNE 2016 GRADE 6 NATURAL SCIENCES AND TECHNOLOGY MEMORANDUM 5 pages 1

Downloaded from hlayiso.com MEMORANDUM Natural Sciences and Technology Gr 6 SECTION A QUESTION 1 1.1 C (1) √ 1.2 B (1) √ 1.3 A (1) √ 1.4 C (1) √ 1.5 D (1) √ (5) QUESTION 2 2.1 C (1) √ 2.2 E (1) √ 2.3 B (1) √ 2.4 F (1) √ 2.5 D (1) √ (5) QUESTION 3 3.1 Pickling (1) √ 3.2 Preserve (1) √ (Accept any of 7 preserving methods) 3.3 Soluble (1) √ 3.4 Saturated (1) √ 3.5 Solvent (1) √ (5) QUESTION 4 4.1.1 Oxygen (1) √ 4.1.2 Glucose sugar/Starch/Glucose (1) √ 4.1.3 Carbon dioxide / water and minerals / light energy (any one) (1) √ 4.2.1 Solid (1) √ 4.2.2 Liquid (1) √ (5) QUESTION 5 Answers should be based on the food web 5.1 Plant/Tree (1) √ 2

Downloaded from hlayiso.com MEMORANDUM Natural Sciences and Technology Gr 6 5.2 Goat and Rabbit (1) √ 5.3 Jackal or Wild cat (1) √ 5.4 Lion/Kite (1) √ 5.5 Forest (1) √ (5) 3

Downloaded from hlayiso.com MEMORANDUM Natural Sciences and Technology Gr 6 SECTION B QUESTION 6 6.1 How young people can change their eating habits to lose weight.  They can eat more fibre.  Have at least five portions of vegetables and fruit each day.  Eat less fast (Junk) food.  Drink a lot of water.  Eat less fatty foods/ Eat less sugar.  Have a balanced diet. Allocate TWO (2) marks for any two answers. (2) 6.2 Steps on how people in Angola process cassava, presented in the correct order.  Learners will be allocated full marks whether he/she uses letters or sentences Steps in the right order STEP 1: E. – Peel and soak cassava √ STEP 2: D – Chop and grate cassava into small pieces √ STEP 3: F – Dry cassava pieces in the sun √ STEP 4: A – Grate dry pieces of cassava to make fine meal √ STEP 5: B – Roast cassava meal √ STEP 6: C – Store meal in bags √ (6) [8] 4

Downloaded from hlayiso.com MEMORANDUM Natural Sciences and Technology Gr 6 QUESTION 7 7.1 COMPARING MIXTURES SALT AND WATER OIL AND WATER Solid (½) and Liquid (½) = (1) Liquid (½) and Liquid (½) = (1) Soluble √ (1) Insoluble √ (1) Yes √ (1) No √ (1) (6) 7.2 √ Any two answers from below  Temperature (Heat)  The grain size of the solute/  Nature of Substance  Stirring or shaking the mixture (2) 7.3 You can use (chemicals) such as chlorine to kill any germs in the water/ Radiation or By boiling water (Give 2 marks for any correct answer) (2) [10] 5

Downloaded from hlayiso.com MEMORANDUM Natural Sciences and Technology Gr 6 SECTION C QUESTION 8 EVALUATING AND ANALYSING 8.1 √ Any one answer from below  Making food edible  Preserving food/makes food last longer  Improving nutrient value (1) 8.2 √ Any one answer from below  Provide a habitat and breeding ground for many different types of plants and animals  Source of water for plants and animals  Filter the water to make it clean  Act like giant sponges which store water and prevent flooding during heavy rains  In dry seasons, wetlands help to keep rivers and streams flowing  Slow the rate of water down.  Prevents soil erosion (1) 8.3 Rate of dissolving at different temperatures 8.3.1 Award a mark √ for each coordination point (4) 8.3.2 Temperature (1) [7] TOTAL: 50 6