Edexcel International A-Level Physics: Most Common Mistakes from Examiner Reports
Edexcel International A-Level Physics: Frequent mistakes
Pearson Edexcel Principal Examiner Feedback for International A-level Physics emphasises practical skills, terminology, control variables and command words. Incomplete analysis of graphical data is a recurring issue.
Practical skills
Terminology
Imprecision with terminology—using “amount” instead of correct scientific quantities (e.g. mass, volume, force).
Fix: Mass (kg), not “amount”. Volume (m³), not “amount”. Use correct SI quantities.
Control variables
Failing to identify appropriate control variables or confusing circuit parameters (e.g. voltage, resistance) with experimental variables.
Fix: Control = kept constant. Independent = changed. Dependent = measured. Identify correctly for the experiment.
Graphical data analysis
Incomplete analysis of graphical data. Candidates ignore supplementary information essential for complete answers.
Fix: Use all data. Consider gradients, intercepts, trends. Read any supplementary text.
Command words
Missing final comments
Missing final appropriate comments when responding to “deduce”, “evaluate”, or “assess” questions. This prevents full mark achievement.
Fix: Deduce = state conclusion from evidence. Evaluate = strengths and limitations + conclusion. Assess = weigh up + judgement. End with clear conclusion.
Reading comprehension
Not reading questions carefully to account for all relevant information provided. Missing constraints or conditions.
Fix: Re-read. Underline key words. Check units, limits, conditions.
General (shared with Sciences)
- Show working for calculations
- Units in final answers
- Significant figures to match data
- Use the resource—refer to diagrams, data, apparatus
How Tutopiya helps
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Based on Pearson Edexcel International A-level Physics Principal Examiner Feedback (WPH15, WPH16).
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