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Practical skills and data

WJEC 3420QS — matched to your course.

Variables, measurement, uncertainty, graphs, evidence, evaluation and safe experimental design.

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Practical skills and data

Tailored to WJEC 3420QS.

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Subtopics and study areas

  • Plan fair tests using independent, dependent and control variables.
  • Record, process and graph quantitative data using appropriate precision and units.
  • Evaluate uncertainty, repeatability, anomalies, risk and the strength of experimental conclusions.
  • Plan investigations using independent, dependent and control variables.
  • Process repeated measurements and graphical data appropriately.
  • Evaluate uncertainty, anomalies, systematic effects and practical risk.
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