Multiple examination boards and/or other educational institutions may require students studying sciences, such as chemistry, biology and physics, to demonstrate competency in various sections of their studies through practical assessments. These non-examinated assessments, commonly referred to as “practicals,” are important in assuring that students have a hands-on understanding of scientific concepts and methodologies.

Practicals encompass a wide range of activities, including conducting experiments, performing dissections, analysing data and applying theoretical knowledge to real-world scenarios. To ensure uniformity and maintain high standards across different institutions, these practical assessments must adhere to a set of guidelines known as Common Practical Assessment Criteria (CPAC).

The CPAC was introduced as part of the reformed A-level science qualifications in the UK. The guidelines for CPAC were established and implemented by various examination boards, including AQA, starting from January 2016.

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