Physical Sciences Memo 1 (English & Afrikaans)

Feb-March 2017 — Grade 12 / Matric — Physical Sciences

Memo 2017 Grade 12 Afrikaans Physical Sciences Hub →

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🎯 150 marks 📄 6 pages 📝 98 items found ∑ 2 math symbols 📚 4 topics

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1.1Marks will be awarded for : correct formula, correct substitution, correct answer with unit. Punte sal toegeken word vir : korrekte formule, korrekte substitusie, korrekte antwoord met eenheid.

1.2No marks will be awarded if an incorrect or inappro priate formula is used , even though there may be relevant symbols and applicable substitutions. When an error is made during substitution into a correct

1.3If no formula is given, but all substitutions are correct , a candidate will forfeit one mark Indien

1.4No penalisation if zero substitutions are omitted in calculations where correct formula /principle is given correctly. Geen penalisering indien nulwaardes nie getoon word nie in

1.5Mathematical manipulations and change of subject of appropriate formulae carry no marks, but if a candidate starts off with the correct formula and then changes the subject of the formula incorrectly, marks will be awarded for the formula and the correct

1.6Marks are only awar ded for a formula if a calculation has been attempted , i.e. substitutions have been made or a numerical answer given. Punte word slegs vir n formule toegeken indien

1.7Marks can only be allocated for substitutions when values are substituted into formulae and not when listed before a calculation starts. Punte kan slegs toegeken word vir substitusies wanneer waardes in formule ingestel is en nie

1.8All calculations, when not specified in the question, must be done to a minimum of TWO decimal places. Alle berekenings, wanneer nie in die vraag gespesifiseer word nie, moet tot n minimum van twee desimale plekke gedoen word.

1.9If a final answer to a calculation is correct, full marks will not automatically be awarded. Markers will always ensure that the correct/appropriate formula is used and that workings, including substitutions, are corr

1.10Questi ons where a series of calculations have to be made (e.g. a circuit diagram question\ do not necessarily always have to follow the same order. FULL MARKS will be awarded provided it is a valid solution to the problem. However, any calculation that will not

2.1Candidates will only be penalised once for the repeated use of an incorrect unit within a question n Kandidate sal slegs een keer gepenaliseer word vir die herhaaldelike gebruik van

2.2Units are only required in the final answer to a calculation. Eenhede w ord slegs in die finale antwoord op n vraag verlang.

2.3Marks are only awarded for an answer, and not for a unit per se Candidates will therefore forfeit the mark allocated for the answer in each of the following situations: Correct answer + wron g unit

2.4instead of

3.1If one answer or calculation is required, but two given by the candidate, only the fi rst one will be marked, irrespective of which one is correct. If two answers are required, only the first two will be

3.2For marking purposes, alternative symbols (s, u, t, etc.\ will also be accepted. Vir nasiendoeleindes sal alternatiewe simbole (s, u , t, ens.\ ook aanvaar word.

3.3

4.1Subquestion to subquestion: When a certain variable is incorrectly calculated in one subquestion (e.g. 3.1\ and needs to be substituted into another subquestion (3.2 or 3.3\, full marks are to be awarded for the subsequent subquestio

4.2Multi step question in a subquestion : If the candidate has to calculate, for example, current in the first step and gets it wrong due to a substitution error, the mark for the substitution and the final answer will be f

3.2the answer given to QUESTION

3.1, and 3.1 is incorrect , no marks can be awarded for QUESTION

3.2. However, if the answer for e.g. QUESTION

3.1is based on a calculation, the motivation for the incorrect answer in QUESTION

3.2should be considered. n Verkeerde antwoord, indien dit op n konsepsuele fout geba seer is, kan normaalweg nie korrek gemotiveer word nie. Indien n kandidaat gevra word

Q3— Section header —

3.1is

Q3— Section header —

3.1egte r op n berekening gebaseer is, kan die motivering vir die verkeerde antwoord in VRAAG

3.2oorweeg word. Physical Sciences P1/ Fisiese Wetenskappe V1 DBE/ Feb. Mar./ Mrt.

Q1— Section header —

1.1(2\

1.2(2\

1.3(2\

1.4(2\

1.5(2\

1.6(2\

1.7(2\

1.8(2\

1.9(2\

1.10(2\ [20] Physical Sciences P1/ Fisiese Wetenskappe V1 DBE/20

Q2— Section header —

2.10 N/zero/ nul

2.2(3\

2.3.1 net = ma mgsin = 0

2.3.2POSITIVE MARKING FROM QUESTION

2.3.1POSITIEWE NASIEN VANAF

Q2— Section header —

2.3.3POSITIVE MARKING FROM QUESTION

2.3.2POSITIEWE NASIEN VANAF VRAAG

2.3.2OPTION 1/ OPSIE 1 net = ma = ma

Q3— Section header —

3.1Motion of an object in which the only force acting is the gravitational force. Beweging van n voorwerp waarop die gravitasiekrag die enigste krag is wat op die

3.2No/ Nee The balloon is not accelera ting at the rate of 9,8 moving with constant

3.3OPTION 1/ OPSIE 1 Upward positive/ Opwaarts positief 22

1.222 22

1.222 Physical Sciences P1/ Fisiese Wetenskappe V1 11

3.4Upward positive /Opwaarts positief

Q3— Section header —

Q4— Section header —

4.1It is the product of the resu ltant/net force acting on an object and the time the resultant/net force acts on the object Dit is die produk van die resulterende/netto krag wat op die voorwerp inwerk en die tyd wat die resulterende/netto krag op die voorwerp inwerk

4.2.1 p = mv = (0,03\(700\ Note: 2/3 if

4.2.2OPTION 1 OPSIE 1 POSITIVE MARKING FROM 4.2.1/ POSITIEWE NASIEN VANAF 4.2.1 = 0,27 net

4.3POSITIVE MARKING FROM 4.2.2/ POSITIEWE NASIEN VANAF 4.2.2 77 N/77,78 N to the east/ na oos (2 [12] 1 mark for any one/12

Q5— Section header —

5.1The rate at which work is done Rate at which energy is expended Die tem waarteen

5.2.1 OPTION 1/ OPSIE 1 gravity /gravitasie = ( 1 200\(9,8\(55\cos180

5.2.2count erweigh 950 (9,8\(55\cos0

5.3OPTION 1/ OPSIE 1 POSITIVE MARKING FROM QUESTIONS 5.2.1 AND 5.2.2 POSITIEWE NASIE VANAF VRAE 5.2.1 en 5.2.2 net

Q6— Section header —

6.1.1The Doppler effect. Die Doppler effek (1\

6.1.2Measuring the rate of blood flow/ Meet die tempo van bloedvloei OR/ OF Ultrasound (scanning\/ Ultraklank (skandering\ (1\

6.1.3OR/ OF OR/ OF 2600(340 \ = 1750(340 + v

6.1.4(a\ (b\ Increase Toeneem Decrease Af neem

6.2.1The spectral lines (light\ from the star are shifted towards longer avelengths. Die spektraallyne van die ster (lig\ is na an

6.2.2Decrease/ Neem af (1\ [13] 1 mark for any one/ 1 punt vir enige een 180 5513

Q7— Section header —

7.1.1Removed/ Ve rwyder (1\ 7. 1. = 3,75 x 10

7.2.3(3\ ACCEPT AANVAA Do not penalise for negative sign of charge used in calculation

7.2.3OPTION 1 OPSIE 1 = F 1,3x + F 2,3x

7.3.1 The ec

7.3.2 OPTION 1 OPSIE 1 Q = 4 x 10 When the e

8.1.1,8.1.2 AND

8.1.3/NEGATIE WE NASIE VIR VRA AG

8.1.1, 8.1.2 EN 8.1.3 .1 .1 and burn with the same brightness

8.2.2OPTION 1/ OPSIE 1 V = IR (V + V

9.5OPTION 1 /OPSIE ave/gem = I rms/wgk rms/wgk

Q1— Section header —

10.3OPTION 1/ OPSIE 1 c = f 3 x 10 = f( x 10

Mathematical Content

f(x)trig

Topics Identified

MechanicsElectricityWavesThermodynamics

Mark Allocation

Total150 marks

Sections20 + 15 + 14 + 12 + 13 + 13 + 19 = 106 marks

Paper information

SubjectPhysical Sciences

Year2017

SessionFeb-March

TypeMemo

PaperPaper 1

LanguageAfrikaans

Pages26

Downloads6

Examination context

Decade2010s

Years ago9y

Season—

Start day—

Exam period—

Days since exam—

About Physical Sciences examination preparation

Grade 12 Physical Sciences combines Physics and Chemistry. Paper 1 covers mechanics, electricity, waves, and optics, while Paper 2 focuses on chemical bonding, organic chemistry, and electrochemistry.

Every available Grade 12 Physical Sciences past paper and memorandum is collected in the Physical Sciences hub at physical-science.freemode.co.za — browse all years, sessions and languages in one place.

How to use this resource for revision

A past examination paper is most useful when it is treated as an active revision exercise. Try the questions yourself before checking the corresponding memorandum. Where you make an error, identify the reason — was it a knowledge gap, a calculation mistake, an interpretation issue, or an examination technique problem?

For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

applying scientific principles

selecting appropriate equations

interpreting scientific information

performing calculations with correct units

explaining scientific reasoning

A practical revision approach

Create a one-page formula sheet and practice deriving units from first principles. The memorandum rewards correct formula identification, proper substitution, and accurate unit handling.

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Corresponding examination paper

Examination paper available

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Physical Sciences Paper 1 (Afrikaans) →

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