Exam preparation: Gr 12 PS
Leave comments below or in YouTube: Which exam questions / topics do you want me to work through in coming movies?
Physics
Force
Single object on horizontal plane with friction:
Single object on inclined plane with friction:
System of objects on horizontal frictionless plane:
System of objects on horizontal plane with friction:
Projectile motion
Part 1: 3.1.&3.2. 5'01"
Part 2: 3.4. 18'31"
Part 3: 3.5. 6'34"
Momentum
Work energy power
Download the mindmap used in these movies:
Part 1: 5.1.-5.3. 12'30"
Part 2: 5.4. Force focus 14'34"
Part 3: 5.4. Energy focus: 18'56"
Worked example:
Doppler effect
Nov 2019 Question 6: Doppler 15'28" (Download question)
Electrostatics
Nov 2020 Question 7: Electrostatics: 20'40" (Download question)
Electric circuits
PS 2019 Nov P1: Movie (21'40")
Question 8 & MemoBattery internal resistance:
Part 1: RIV (9'59")
Part 3: Parallel (8'51")
Graph question: Worked example (7'10")
Electrodynamics
9.1: Generator 10'57"
9.2: AC rms calculation 5'53"
Photoelectric effect
Graph worked example (P1, Nov 2019, Q 10) 14'17"
Download question and memo
Chemistry
Organic chemistry
Nomenclature
Part 1 of 3 (Q2.1) 2'34"
Part 2 of 3 (Q2.2) 6'16"
Part 3 of 3 (Q3.3) 9'21"
Homologous series:
Haloalkanes and alkynes 9'27"
Alkenes and alkynes 10'54"
Esters and ketones 8'16"
Physical properties
Part 1 of 2 (Q3.1-3.3) 7'03"
Part 2 of 2 (Q3.4.) 3'25"
Reactions
Nov 2019 P2 Q4 12'12"
Reaction rate
Part 1 of 2 (Q5.1-5.2) 7'32"
Part 2 of 2 (Q5.3-5.7) 6'24"
Chemical equilibrium
Part 1 (6.1&6.2) 14'31"
Part 2 (6.3&6.4) 5'12"
Feb 2017 15'17"
Qu 6.1 3'34"
Qu 6.2 22'00"
North West Sept 2017 14'49"
Acid-base reactions
Hydrolysis
Hydrolysis 7'26"
Acid-base reaction
Titration
Titration concepts 10'32"
2019 calculation 18'14"; Question and Memo
Concentration, pH and Percentage Purity
Nov 2020 P2 Q7.2 19'45"
Past exam question:
Acid-base reaction, Titration & Percent Purity
2020 Nov P2 Question 7.2 (19'46") Question & memo
Electrochemistry
Copper electrolytic cell 12'20"
Al - Y voltaic cell 7'32"
Sep 2019 E Cape P2 Q8&9: Questions and Memo:
Q8 (Galvanic / Voltaic Cell) 14'48"
Q9 (Electrolytic) 17'23"