CIE AS & A level Physics 9702 Command Words Guide with 60 Paper Specific Practice Questions

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Cambridge A-Level Physics (9702) command words are precise exam directives. This guide decodes all 26 command words with CAIE definitions, examiner expectations, cognitive demand tiers (T1 Recall → T2 Understanding → T3 Evaluation), and paper-specific strategies for Papers 1–5. Physics students lose marks not from lack of knowledge but from ignoring the command word – calculating when asked to state, or describing when asked to explain.

What’s inside (53 pages):

Tier framework – T1 (7 words: one-line recall). T2 (13 words: calculations, derivations, mechanisms, graphs). T3 (6 words: evaluation, discussion, deduction, experimental planning).

Confused pairs (8 high-risk) – State vs Define, Describe vs Explain, Calculate vs Show, Derive vs Show, Sketch vs Draw, Explain vs Suggest, Determine vs Calculate, Evaluate vs Justify. Physics-specific examples with worked solutions.

5-step framework – Circle command word → Identify topic/equation → Read mark allocation → Check instructions (“without calculation”, “use your answer to (a)”) → Plan.

Paper-specific guidance – P1 (MCQ), P2 (AS structured: State, Define, Calculate, Explain), P3 (Practical: Plan, Identify errors, Suggest improvements), P4 (A Level: Derive, Deduce, Discuss, Evaluate), P5 (Planning & Analysis: Plan, Justify, Comment).

Examiner insights – 10 mark-loss errors: describing when explaining, omitting units, no working in calculations, circular reasoning in Show That, vague error sources in P3, incomplete definitions, missing conclusions in Evaluate/Discuss, misreading graph gradients, incorrect significant figures, copying formula sheet without derivation.

Quick-reference cheat sheet – All 26 command words: tier + definition + watchout.

60 practice questions – Mechanics, Materials, Waves, Electricity, Fields, Nuclear, Thermal, Quantum, Medical Physics, Practical. Each: command word + marks + model answer + examiner tip.

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