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A-Level Physics · 1 Physical quantities and units

Physical quantities, SI units, and dimensional checks for A-Level Physics

Physical quantities, SI units, and dimensional checks is mapped to 1 Physical quantities and units in the Cambridge International AS & A Level Physics pathway. Use this public guide to see exactly where the concept fits, what to master, and which GioPhysics resource continues the study sequence.

AS · AS Level foundationsGuide 1 of 2

Where this fits

1 Physical quantities and units

Curriculum
Cambridge International AS & A Level Physics
Theme or group
AS Level foundations
Current framework
Examinations in 2025–2027 · Version 1

Topics 1–11 establish measurement, mechanics, waves, electricity, and particle physics.

Mastery checklist

Know what success looks like.

  1. 01

    Match each measured quantity to a suitable SI unit and instrument.

  2. 02

    Read scales and recorded data with appropriate precision.

  3. 03

    Use units and dimensions to test whether a result is physically consistent.

Exam lens

Build, apply, check.

1 Physical quantities and units sits inside AS Level foundations. Build the concept first, then practise selecting a model, showing working, and checking the final result.

Teaching sequence

1 Physical quantities and units

This syllabus point maps to 2 ordered concept guides.

  1. 01Physical quantities, SI units, and dimensional checksCurrent guide
  2. 02Scalars, vectors, and perpendicular components

Continue on GioPhysics

Choose the right next step.

The curriculum context stays public. Lesson and presentation access follows the existing GioPhysics membership rules.

LearnOpen the mapped lessonPhysical quantities, SI units, and dimensional checksTeachOpen the presentationClassroom sequence for this conceptPractiseOpen problem applicationsEasy through expert problem pathwaysPlanOpen the full curriculum mapCambridge Physics 9702