PHYSICAL SCIENCES Collectables

PHYSICAL SCIENCES PAPER 1 QUESTION 2: NEWTON’S LAWS OF MOTION  Drawing a labelled free body diagram (3)  Stating one of the Newton’s law of motion (2)  About 2 calculations, at least 2 marks for the formulae + 2 marks for substitution (4) [9] TIPS  Emphasise the use of simultaneous equations QUESTION 3: VERTICAL PROJECTILE MOTION  2/3 calculations, formulae and substitution (4)  Using information from the graph/ drawing a graph (2) [6] TIPS  Sign conventions  Differentiate between Δt and t  Show frame of reference  Emphasise drawing and interpretation of graphs QUESTION 4: MOMENTUM  Defining a term/stating a law/ principle ( Impulse, elastic/non-elastic collision, principle of linear momentum) (2)  2/3 calculations (4) [6] TIPS  Be able to identify the initial and final velocity  Emphasise subscripts and understand what they mean especially net in FnetΔt=Δp QUESTION 5: WORK, ENERGY & POWER  Defining a term/ stating a law/principle (Conservative/non-conservative force, Conservation of mechanical energy) (2)  2/3 calculations (4) [6]

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https://ultradeep.co.za TIPS  Label free body diagrams with arrows starting from the point  Correct choice of formulae  Differentiate between Wnet & Fnet  Differentiate between W = FΔxCos QUESTION 6: DOPPLER EFFECT  Defining a term (Doppler effect) (2)  Calculation (3) [5] TIPS  Write the correct formula from the data sheet and know each symbol  Mathematical manipulation QUESTION 7: ELECTROSTATICS (COULOMBS LAW)  Defining a term/ stating a law (Coulombs law, electric field) (2)  Direction of the electric field (1)  Calculation (3) [6] TIPS  Integrate with Newton’s laws concepts  Labelling of forces QUESTION 8: ELECTROSTATICS (ELECTRIC FIELDS)  Defining a term/ stating a law (Ohm’s law) (2)  Calculation (3)  Interpreting a graph/using information from the graph [5] TIPS  Choice of formulae  Direction of the net field  Emphasise the vector nature of electric fields https://tvetpapers.co.za

https://ultradeep.co.za QUESTION 9: ELECTRIC CIRCUITS  Calculation (3)  Using information from the graph [3] TIPS  Choice of formulae  Mathematical manipulation  Use of correct units  Application of Ohm’s law  Differentiate between EMF and potential difference  Do the experiments stated in CAPS QUESTION 10: ELECTRODYNAMICS  2/3 calculations (4) [4] TIPS  Know the difference between AC & DC circuits  Emphasise the use of subscripts  Be able to interpret Faraday’s law QUESTION 11: PHOTOELCTRIC EFFECT  Defining a term (Work function, threshold frequency, cut-off frequency) (2)  2/3 calculations (4)  Making use of the graph [6] TIPS  Relate the gradient to hc  Be able to use the graph to determine the threshold frequency and Planck’s constant TOTAL = 56/150 37% NB: NOT INCLUSIVE OF MULTIPLE CHOICE QUESTIONS. 4 marks from MCQ will add up to 60/150= 40% https://tvetpapers.co.za

https://ultradeep.co.za PHYSICAL SCIENCES P 2 QUESTION 2, 3 & 4: INORGANIC MOLECULES  Functional groups, homologous series  IUPAC naming, formulae of compounds (2)  Structural formulae (2)  Definitions of terms. hydrocarbon, isomer, saturated, unsaturated, functional group etc (2)  Positional , functional and structural isomers (2)  Reaction conditions and types of reactions (2)  Dependant and independent variables (2)  Polymerisation, addition and condensation polymers ( differentiate) (2)  Intermolecular forces at least (2)  Reactants and products of combustion and balancing the equations (3) ± [20] NB: THE FOLLOWING DOES NOT NECESARILY MEAN THAT ALL THE QUESTIONS WOULD BE ASKED QUESTION 5: RATE OF REACTIONS  Experiment investigating factors that influence the reaction rate (2)  Interpreting the graph/table (2)  Balancing equations, stating if they are exothermic or endothermic (3)  Calculation at least (2) ± [9] TIPS  Revise stoichiometric calculations  Emphasise skills for interpreting the graphs  The use of the correct formulae QUESTION 6: CHEMICAL EQUILIBRIUM  Stating Le Chateliers principle (2)  Defining terms, reaction rate, reversible reaction, chemical/dynamic equilibrium (2)  Kc calculation, at least 4 marks from the Kc expression, 2 from the table and 1 from Substitution (4) ± [8] https://tvetpapers.co.za

https://ultradeep.co.za TIPS  Identify the disturbance  State which reaction will be favoured when opposing the disturbance  The effect on what happens to the number of moles of the products etc  Different methods of calculating Kc  Drawing of Boltzmann distribution curve QUESTION 7: ACIDS AND BASES  Defining terms, acid and bases according to Lowry Bronsted/Arhenius, Ampholyte Mono & diprotic acids (2)  Conjugate acids/bases (2)  Know why acids are weak/strong/monoprotic and diprotic (1)  Know all the apparatuses for titration (2)  Calculation, at least 3 marks (3) ± [10] TIPS  Emphasise the use of correct formulae and substitution QUESTION 8: ELECTROCHEMICAL CELLS  Functions of the salt bridge (2)  Standard conditions under which a cell functions (2)  Cell notations at least (2)  Oxidising/reducing agents(name/formula) at least (1)  Energy conversions (1)  Calculating the EMF at least 3 marks (3) ± [11] QUESTION 9: ELECTROLYTIC CELL  Defining terms, electrolyte, electrolysis (2)  Writing ½ reactions (2)  Oxidising/reducing agents(name/formula) (2)  Type of electrode cathode/anode (1) [7] https://tvetpapers.co.za

https://ultradeep.co.za TIPS Q 8 & 9  Emphasise the writing of ½ reactions, the use of double arrows  Master the use of the table of standard reduction potentials QUESTION 10: FERTILIZERS  Table  Writing a balanced equation (3)  Industrial preparations (1)  Name/formula of the catalysts, acids, fertilizers (1)  Calculations (2) [7] TIPS  Know all the industrial processes  Be able to use ratios in calculations  Emphasise conversions https://tvetpapers.co.za