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Cambridge IGCSE Physics

Experimental skills (Papers 5 and 6)

Experimental skills (Papers 5 and 6) in Cambridge IGCSE Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Topic15 practice questions1 lesson

Overview

Not a numbered subject-content topic: section 4 of the syllabus (Practical assessment, AO3) lists the experimental skills assessed in Paper 5 (Practical Test) and Paper 6 (Alternative to Practical).

Learning objectives

What the syllabus expects you to be able to do.

  1. practical.1Plan an experiment or investigation, identifying the variables to change, measure and control.
  2. practical.2Choose and use apparatus correctly and safely, taking readings to an appropriate precision.
  3. practical.3Record observations and measurements in tables with headings and units.
  4. practical.4Plot graphs, draw best-fit lines and work out gradients and intercepts.
  5. practical.5Interpret data, draw conclusions and identify anomalous results.
  6. practical.6Evaluate methods and suggest improvements and precautions.

Lessons

  • Experimental skills and investigations

    40 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Experimental skills (Papers 5 and 6): sample question

1 mark

A learner investigates how the length of a wire affects its resistance. Which is a control variable?

Choose one answer

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