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Key concepts of physics

Edexcel GCSE PhysicsTopic 1 of 154 lessons

Revision notes for Key concepts of physics in Edexcel Physics (1PH0). Every lesson in BrainCake comes with R.E.C.I.P.E. recall steps, a quick check and spaced reviews.

  1. Recall and use the SI unit for physical quantitiesPhysical quantities such as length, mass and time are measured in SI units.
  2. Multiples and sub-multiples of unitsSome quantities are far too big or too small to write easily in plain units, so we put a prefix in front of the unit.
  3. Converting between unitsTo convert a quantity from one unit to another, multiply or divide by the conversion factor.
  4. Significant figures and standard formSignificant figures (s.f.) show how precisely a value is known.

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