Physical Science Grade 12 Term 3 September Past Papers and Memos

1. Q1 Multiple-Choice QuestionsVarious options are provided as possible answers to the following questions. Choose 20 marks
2. Q2 A block of mass 4 kg is at rest on a rough horizontal surface. The block is connected 16 marks
3. Q3 A boy kicks a ball of mass 700 g vertical upwards from a height of 0,8 m above the 20 marks
4. Q4 A toy canon, mass 1,8 kg, is at rest on a rough horizontal surface as shown in the 12 marks
5. Q5 A constant force F is applied at an angle of 30° to the horizontal on a crate of mass 8 marks
6. Q6 A fire truck with its siren on, is moving along a straight horizontal road. A detector 13 marks
7. Q7 Sphere A has a charge of +4 µC and is placed in an insulated cylinder. A second 16 marks
8. Q8 resistance r of a battery by connecting three resistors one after the other in the circuit 22 marks
9. Q9 The simplified diagram below represent an alternating current (AC) generator that is 10 marks
10. Q10 Learners perform an experiment to investigate the effect of the wavelength of light on 13 marks

Instructions to candidates

1. Write your full NAME and SURNAME in the appropriate spaces on the ANSWER BOOK.
2. This question paper consists of TEN questions. Answer ALL the questions.
3. Start EACH question on a NEW page.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Leave ONE line between two sub questions, e.g. between QUESTION 2.1 and QUESTION 2.2.
6. You may use a non-programmable calculator.
7. You may use appropriate mathematical instrument.
8. Show ALL formulae and substitutions in ALL calculations.
9. Round off your final numerical answers to a minimum of TWO decimal places.
10. Give brief motivations, discussions, et cetera where required.
11. You are advised to use the attached DATA SHEET.
12. Write neatly and legibly.

1. Q1 Question 1 20 marks
2. Q2 Question 2 18 marks
3. Q3 Question 3 13 marks
4. Q4 Question 4 18 marks
5. Q5 Question 5 16 marks
6. Q6 Question 6 19 marks
7. Q7 Question 7 19 marks
8. Q8 Question 8 15 marks
9. Q9 Question 9 12 marks

Instructions to candidates

1. Write your name and surname in the appropriate space on the ANSWER BOOK.
2. This question paper consists of NINE questions. Answer ALL the questions in the ANSWER BOOK.
3. Start EACH question on a NEW page in the ANSWER BOOK.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Leave ONE line between two subquestions, for example between QUESTION 2.1 and QUESTION 2.2.
6. You may use a non-programmable calculator.
7. You may use appropriate mathematical instruments.
8. Show ALL formulae and substitutions in ALL calculations.
9. Round off your FINAL numerical answers to a minimum of TWO decimal places.
10. Give brief motivations, discussions, etc. where required.
11. You are advised to use the attached DATA SHEETS.
12. Write neatly and legibly.

1. Q1 Question 1 20 marks
2. Q2 Question 2 15 marks
3. Q3 Question 3 17 marks
4. Q4 Question 4 11 marks
5. Q5 Question 5 13 marks
6. Q6 Question 6 12 marks
7. Q7 Question 7 17 marks
8. Q8 Question 8 22 marks
9. Q9 Question 9 10 marks
10. Q10 Question 10 13 marks

Instructions to candidates

1. This question paper consists of 10 questions. Answer ALL the questions in the ANSWER BOOK.
2. Start EACH question on a NEW page in the ANSWER BOOK.
3. Number the answers correctly according to the numbering system used in this question paper.
4. You may use a non-programmable calculator.
5. Leave ONE line between TWO sub-questions, for example QUESTION 2.1 and QUESTION 2.2.
6. You are advised to use the attached DATA SHEETS.
7. Show ALL formulae and substitutions in ALL calculations.
8. Round off your FINAL numerical answers to a minimum of TWO decimal places.
9. Give brief motivations, discussions, et cetera where required.
10. All diagrams are NOT necessarily drawn according to scale.
11. Write neatly and legibly.

1. Q1 Meervoudigekeuse-VraeVerskeie opsies word as moontlike antwoorde op die volgende vrae gegee. Kies die 12 marks

Instructions to candidates

1. Write your name and surname in the appropriate space on the ANSWER BOOK.
2. This question paper consists of NINE questions. Answer ALL the questions in the ANSWER BOOK.
3. Start EACH question on a NEW page in the ANSWER BOOK.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Leave ONE line between two sub questions, e.g. between QUESTION 2.1 and QUESTION 2.2.
6. You may use a non-programmable calculator.
7. You may use appropriate mathematical instruments.
8. Show ALL formulae and substitutions in ALL calculations.
9. Round off your FINAL numerical answers to a minimum of TWO decimal places.
10. Give brief motivations, discussions, etc. where required.
11. You are advised to use the attached DATA SHEETS.
12. Write neatly and legibly.

1. Q1 Multiple-Choice QuestionsVarious options are provided as possible answers to the following questions. 20 marks
2. Q2 A truck of mass 1 300 kg is connected to a car of mass 950 kg by means of an 16 marks
3. Q3 A group of learners set up an experiment to determine the height h of their school. 16 marks
4. Q4 Two trolleys, A of mass 1 kg, and B of mass 2 kg, are held stationary on a smooth 12 marks
5. Q5 A crate of mass 50 kg is at rest at point A which is at a vertical height of 5 m above 15 marks
6. Q6 A police van with its siren on, travels at a constant speed between two observers, 13 marks
7. Q7 Two-point charges, P and T, are placed 0,03 m apart. The charge on P is 16 marks
8. Q8 Three resistors and an electrical device rated 16 W are connected to a battery of 18 marks
9. Q9 A coal power station uses AC generators to produce electricity. 12 marks
10. Q10 An investigation is done to determine the effect of the power of a light bulb on 13 marks

Instructions to candidates

1. Write your full NAME and SURNAME in the appropriate spaces on the ANSWER BOOK.
2. Answer ALL the questions.
3. You may use a non-programmable calculator.
4. You may use appropriate mathematical instruments.
5. Number the answers correctly according to the numbering system used in this question paper.
6. You are advised to use the attached DATA SHEETS.
7. Show ALL formulae and substitutions in ALL calculations.
8. Give brief motivations and discussions where required.
9. Round off your FINAL numerical answers to a minimum of TWO decimal places.
10. Start EACH question on a NEW page.
11. All diagrams are NOT necessarily drawn according to scale.
12. Write neatly and legibly.

1. Q1 Multiple-Choice QuestionsVarious options are provided as possible answers to the following questions. Choose 12 marks

Instructions to candidates

1. Write your full NAME and SURNAME in the appropriate spaces on the ANSWER BOOK.
2. This question paper consists of NINE questions. Answer ALL the questions in the ANSWER BOOK.
3. Start EACH question on a NEW page in the ANSWER BOOK.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Leave ONE line between two sub questions, for example between QUESTION 2.1 and QUESTION 2.2.
6. You may use a non-programmable calculator.
7. You may use appropriate mathematical instruments.
8. Show ALL formulae and substitutions in ALL calculations.
9. Round off your FINAL numerical answers to a minimum of TWO decimal places.
10. Give brief motivations, discussions, et cetera where required.
11. You are advised to use the attached DATA SHEETS.
12. Write neatly and legibly.

1. Q1 Multiple-Choice Questions/ 20 marks
2. Q2 Question 2 17 marks
3. Q3 Question 3 17 marks
4. Q4 Question 4 12 marks
5. Q5 Question 5 14 marks
6. Q6 Question 6 13 marks
7. Q7 Question 7 15 marks
8. Q8 Question 8 15 marks
9. Q9 Question 9 14 marks
10. Q10 Question 10 13 marks

Instructions to candidates

1. Write your full NAME and SURNAME in the appropriate space on the ANSWER BOOK.
2. This question paper consists of TEN questions. Answer ALL the questions in the ANSWER BOOK.
3. Start EACH question on a NEW page in the ANSWER BOOK.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Leave ONE line between two sub-questions, e.g. between QUESTION 2.1 and QUESTION 2.2.
6. You may use a non-programmable calculator.
7. Show ALL formulae and substitutions in ALL calculations.
8. Round off your FINAL numerical answers to a minimum of TWO decimal places.
9. Give brief motivations, discussions, etc. where required.
10. You are advised to use the attached DATA SHEETS.
11. Write neatly and legibly.

1. Q1 Question 1 20 marks
2. Q2 Question 2 15 marks
3. Q3 Question 3 14 marks
4. Q4 Question 4 20 marks
5. Q5 Question 5 17 marks
6. Q6 Question 6 15 marks
7. Q7 Question 7 20 marks
8. Q8 Question 8 17 marks
9. Q9 Question 9 12 marks

Instructions to candidates

1. Write your full NAME and SURNAME in the appropriate spaces on the ANSWER BOOK.
2. This question paper consists of NINE questions. Answer ALL the questions in the ANSWER BOOK.
3. Start EACH question on a NEW page in the ANSWER BOOK.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Leave ONE line between two sub questions, for example between QUESTION 2.1 and QUESTION 2.2.
6. You may use a non-programmable calculator.
7. You may use appropriate mathematical instruments.
8. Show ALL formulae and substitutions in ALL calculations.
9. Round off your FINAL numerical answers to a minimum of TWO decimal places.
10. Give brief motivations, discussions, et cetera where required.
11. You are advised to use the attached DATA SHEETS.
12. Write neatly and legibly.

1. Q1 Multiple-Choice Questions/ 20 marks
2. Q2 Question 2 17 marks
3. Q3 Question 3 15 marks
4. Q4 Question 4 10 marks
5. Q5 Question 5 11 marks
6. Q6 Question 6 15 marks
7. Q7 Question 7 17 marks
8. Q8 Question 8 20 marks
9. Q9 Question 9 12 marks
10. Q10 Question 10 13 marks

1. Q1 Question 1 20 marks
2. Q2 2.2.1 2-bromo-4-ethyl-3,3-dimethylhexane/2-broom-4-etiel-3,3-dimetielheksaan 16 marks
3. Q3 3.2 There is more than one independent variable.  13 marks
4. Q4 4.1.1 Substitution/halogenation/bromination  15 marks
5. Q5 5.1.1 Kinetic energy/kinetiese energie  (1) 17 marks
6. Q6 6.1 The stage in a chemical reaction when the rate of forward reaction equals the 15 marks
7. Q7 7.1 A base forms hydroxide ions (OH) in water/aqueous solution/OH(aq).  18 marks
8. Q8 8.1.1 Zinc/Zn  (1) 14 marks
9. Q9 9.1 Marking criteria/Nasienkriteria 12 marks
10. Q10 10.1.1 Nitrogen/N /Stikstof  (1) 10 marks

1. Q1 Multiple-Choice QuestionsFour possible options are provided as answers to the following questions. Choose 20 marks
2. Q2 A block of mass 22 kg is placed on a rough inclined surface and is connected to a 18 marks
3. Q3 A ball of mass 500 g is thrown vertically downwards with a velocity of 3,28 m.s-1 from 19 marks
4. Q4 During a demonstration to determine the recoil velocity of a certain type of gun, a 10 marks
5. Q5 A skateboarder skates from point A of the track, which is at a vertical height of 15 m, 16 marks
6. Q6 A laboratory assistant conducted an experiment to determine the frequency of a 15 marks
7. Q7 A small, charged sphere X carrying a charge of +2 x 10-6 C is placed in a vacuum. 19 marks
8. Q8 In an experiment to determine the emf (ε) and internal resistance r, of a battery, a group 20 marks
9. Q9 A learner built an electrical device for her Eskom Expo science project as shown below. 13 marks

Instructions to candidates

1. Write your full NAME and SURNAME in the appropriate space on the ANSWER BOOK.
2. Answer ALL the questions.
3. You may use a non-programmable calculator.
4. You may use appropriate mathematical instruments.
5. Number the answers correctly according to the numbering system used in this question paper.
6. You are advised to use the attached DATA SHEETS.
7. Show ALL formulae and substitutions in ALL calculations.
8. Give brief motivations, discussions, et cetera where required.
9. Round off your final numerical answers to a minimum of TWO decimal places.
10. Start EACH question on a NEW page.
11. All diagrams are not necessarily drawn according to scale.
12. Write neatly and legibly.

1. Q1 Question 1 20 marks
2. Q2 Question 2 16 marks
3. Q3 Question 3 14 marks
4. Q4 Question 4 20 marks
5. Q5 Question 5 24 marks
6. Q6 Question 6 28 marks
7. Q7 Question 7 28 marks

Instructions to candidates

1. Write your full NAME and SURNAME in the appropriate spaces on the ANSWER BOOK.
2. This question paper consists of SEVEN questions. Answer ALL the questions in the ANSWER BOOK.
3. Start EACH question on a NEW page in the ANSWER BOOK.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Leave ONE line between two sub questions, for example between QUESTION 2.1 and QUESTION 2.2.
6. You may use a non-programmable calculator.
7. You may use appropriate mathematical instruments.
8. Show ALL formulae and substitutions in ALL calculations.
9. Round off your FINAL numerical answers to a minimum of TWO decimal places.
10. Give brief motivations, discussions, et cetera where required
11. You are advised to use the attached DATA SHEETS.
12. Write neatly and legibly.

1. Q1 Question 1 20 marks
2. Q2 2.1 When one body exerts a force on a second body, the second body 11 marks
3. Q3 3.3 An object upon which the only force acting is the force of gravity. (2) 18 marks
4. Q4 4.1 The total linear momentum in a closed/isolated system remains 10 marks
5. Q5 5.1 The total mechanical energy in an isolated (closed) systemremains 17 marks
6. Q6 6.1 Doppler Effect.  9 marks
7. Q7 7.1 The magnitude of the electrostatic force exerted by one point charge (Q ) 21 marks
8. Q8 8.2 Positive marking from 8.1 19 marks
9. Q9 9.1 Electromagnetic induction  (1) 12 marks
10. Q10 10.2 Threshold frequency  (1) 13 marks

1. Q1 Question 1 20 marks
2. Q2 2.1.1 hexan-3-one  (2) 20 marks
3. Q3 3.1 the pressure exerted by a vapour at equilibrium with its liquid in a closed 9 marks
4. Q4 4.1.1 warm/mild heat dilute KOH/warm dilute strong base (2) 14 marks
5. Q5 5.1 calcium carbonate there is some unreacted CaCO at the end of the reaction 14 marks
6. Q6 6.1 When the equilibrium in a closed system is disturbed, the system will 20 marks
7. Q7 7.1.1 An acid is a substance that produces hydrogen ions(H )/hydronium ions(H O ) 16 marks
8. Q8 8.1 a solution/liquid/dissolved substance that conducts electricity through the 15 marks
9. Q9 9.1 from electrical energy to chemical energy (1) 10 marks
10. Q10 10.1.1 Haber process (1)