Gr 6 NST (English) June 2023 Question Paper hlayiso.com

Downloaded from hlayiso.com PROVINCIAL EXAMINATION JUNE 2023 GRADE 6 NATURAL SCIENCES AND TECHNOLOGY TIME: 1½ hours MARKS: 60 11 pages DISTRICT NAME OF SCHOOL EMIS-NUMBER NAME AND SURNAME GENDER BOY GIRL SECTION A B C TOTAL Questions 1 2 3 4 5 6 7 8 9 10 11 12 13 Mark allocation 5 5 5 5 5 5 5 5 7 4 3 4 2 60 Learner’s marks P.T.O.

Downloaded from hlayiso.com NATURAL SCIENCES AND TECHNOLOGY 2 GRADE 6 INSTRUCTIONS TO LEARNERS 1. Answer ALL the questions in the spaces provided on this question paper. 2. Read the instructions and questions carefully before answering. 3. Write neatly and legibly. STRANDS NATURAL SCIENCES MATTER AND MATERIALS TECHNOLOGY SYSTEMS AND CONTROL The question paper consists of SECTION A, SECTION B AND SECTION C. SECTION A: LOW SECTION B: MIDDLE SECTION C: HIGH ORDER ORDER QUESTIONS/ ORDER QUESTIONS/ QUESTIONS/COGNITIVE COGNITIVE LEVEL 1 COGNITIVE LEVELS 2, 3 & LEVELS 5 & 6 4 Q1: Photosynthesis, Food Q7: Balanced diets Q11: Nutrients in food groups, Arrangement of groups particles, Solutions as special mixtures, Mixtures Q2: Nutrients in food, Q8: Purified water Q12: Water pollution, Nutrition Purified water Q3: Food groups, Mixtures Q9: Phases of matter Q13: Rate of dissolving of materials, Solutions Q4: Mixtures (Separating Q10: Arrangement of mixtures) particles, Mixtures of materials Q5: Solutions as special mixtures Q6: Mixtures of materials Total – 30 Total – 21 Total – 9 P.T.O.

Downloaded from hlayiso.com NATURAL SCIENCES AND TECHNOLOGY 3 GRADE 6 SECTION A QUESTION 1 Four possible answers are given for each question below. Circle (or highlight) the correct answer. 1.1 Which of the following contains chlorophyll? A All green plants B All fruit trees C All flowering plants D All evergreen trees (1) 1.2 Which of the following foods is NOT usually fortified? A Cheese B Brown rice C Cooking oil D Refined sugar (1) 1.3 Which of the following is NOT a function of fats and oils in the body? A Provides the body with energy B Helps the body to absorb certain vitamins C Assists in storing energy in the body D Regulates the absorption of heat (1) 1.4 A substance is classified as a solid, liquid or gas by the … A movement of the particles. B state of the particles. C size of the particles. D temperature of the particles. (1) 1.5 What is the process called where a dissolved substance changes again into a solid crystal after the solvent evaporates? A Magnetisation B Filtration C Crystallisation D Oxidation (1) [5] P.T.O.

Downloaded from hlayiso.com NATURAL SCIENCES AND TECHNOLOGY 4 GRADE 6 QUESTION 2: Nutrients in food and Nutrition Match COLUMN A with COLUMN B by writing the correct letter in the answer table below. An example has already been done for you. COLUMN A COLUMN B Answer E.g. Sugar A Food for energy E.g. – D 2.1 Vitamin C B Unbalanced sugar levels in the body 2.1 – 2.2 Carbohydrates C A selection of foods we eat everyday 2.2 – 2.3 Healthy fats and oils D Soluble 2.3 – 2.4 Diabetes E Oily fish, raw nuts and avocados 2.4 – 2.5 Diet F Oranges 2.5 – [5] QUESTION 3: Arrangement of particles Indicate whether the following sentences are TRUE or FALSE. Write only ‘true’ or ‘false’ in the spaces provided below. 3.1 Rickets is a disease caused by a lack of vitamin D in the diet. (1) 3.2 After a solution is properly mixed, the solute cannot be seen. (1) 3.3 Solutions are uniform in appearance. (1) 3.4 Mixtures can be separated by sieving, decanting and evaporation. (1) 3.5 Bread, potatoes and eggs are examples of foods that contain mainly carbohydrates. (1) [5] P.T.O.

Downloaded from hlayiso.com NATURAL SCIENCES AND TECHNOLOGY 5 GRADE 6 QUESTION 4: Diagram and labelling The diagram below represents the method of filtering. Use the words in the word box below to correctly label the diagram. Write your answers on the lines provided on the diagram. Purified water Filter paper Sand and water mixture Funnel Beaker 4.1 4.2 4.3 4.4 Conical flask 4.5 [5] QUESTION 5: Solutions as special mixtures Provide the scientific term for each of the statements below: 5.1 When a substance dissolves in a liquid (1) 5.2 The substance being dissolved (1) 5.3 The liquid into which the substance is being dissolved (1) 5.4 Substances that do not dissolve (1) 5.5 When no more solute can be dissolved into a given amount of solvent (1) [5] P.T.O.

Downloaded from hlayiso.com NATURAL SCIENCES AND TECHNOLOGY 6 GRADE 6 QUESTION 6: Mixture of materials Below is a mixture of hot water and tea leaves. Use the picture to help you answer the following questions. hot water tea leaves strainer 6.1 Name the insoluble solute in the mixture. (1) 6.2 Name the solvent in the mixture. (1) 6.3 Define the term insoluble. (1) 6.4 List TWO ways in which mixtures can be separated. (2) [5] TOTAL SECTION A: 30 P.T.O.

Downloaded from hlayiso.com NATURAL SCIENCES AND TECHNOLOGY 7 GRADE 6 SECTION B QUESTION 7: Balanced diets Thomas is overweight. He does not usually eat breakfast in the mornings. However, he really enjoys eating junk food every day for lunch and for dinner. He also regularly asks his mother to take him to the shop to buy soda and other fizzy drinks. Thomas has realised that his lifestyle is not healthy and has decided to change it. 7.1 Suggest TWO ways in which Thomas can live a healthier life. (2) 7.2 Predict what will happen to Thomas if he continues to eat in this way. (2) 7.3 Give an example of a disease Thomas can get if he does not change his diet. (1) [5] P.T.O.

Downloaded from hlayiso.com NATURAL SCIENCES AND TECHNOLOGY 8 GRADE 6 QUESTION 8: Purified water Arrange the following steps in the order according to which the municipality purifies water. Write only the LETTER in the spaces provided below to show the correct order. Incorrect order Correct order A Settling – When the raw water stands in the settling tank, Step 1: the medium-sized pieces of solid matter sink to the bottom of the tank. B Filtering – A special filter made of layers of sand and Step 2: gravel helps to remove any remaining particles and most of the bacteria left in the water. C Screening – Water passes through a screen and the Step 3: solid matter stays behind on the screen. D Disinfection – Chemicals are added to the water to kill Step 4: any surviving germs. E Aerating – Bacteria in the tank helps to break down the Step 5: last, little bits of solid matter and any natural soluble pollutants. [5] QUESTION 9: Phases of matter – Comparing particles in solids, liquids and gases 9.1 Explain the arrangement of particles for each of the states of matter below. Solid Liquid Gas (3) 9.2 Explain why you can smell food cooking in the next room. (2) P.T.O.

Downloaded from hlayiso.com NATURAL SCIENCES AND TECHNOLOGY 9 GRADE 6 9.3 Which state of matter represents the smell of food being cooked? (1) 9.4 In the block below, illustrate the movement of particles in a gas. (1) [7] QUESTION 10: Comparing and Differentiating 10.1 Explain the difference between melting and dissolving substances. Melting - Dissolving - (2) 10.2 Differentiate between mixtures and solutions. Mixtures - Solutions - (2) [4] TOTAL SECTION B: [21] P.T.O.

Downloaded from hlayiso.com NATURAL SCIENCES AND TECHNOLOGY 10 GRADE 6 SECTION C QUESTION 11: Nutrients in food groups 11.1 Explain why carbohydrates are important in your diet. (1) 11.2 Explain why additives are added to different foods. (1) 11.3 Give ONE reason why you think foods that contain additives could be unhealthy. (1) [3] QUESTION 12: Water pollution and Purified water 12.1 Briefly discuss THREE causes of water pollution. (a) (1) (b) (1) (c) (1) 12.2 Suggest ONE reason why we need clean water. (1) [4] P.T.O.

Downloaded from hlayiso.com NATURAL SCIENCES AND TECHNOLOGY 11 GRADE 6 QUESTION 13: Rate of dissolving 13.1 Discuss how increasing the temperature of a solvent increases the rate at which a solute will dissolve. (2) [2] TOTAL SECTION C: 9 TOTAL: 60 END