Edexcel•GCSE•Physics
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Key Concepts of Physics
SI units, prefixes, standard form, significant figures, scalars and vectors
Practice 14 subtopics in Key Concepts of Physics. All questions match the Edexcel GCSE specification.
About Key Concepts of Physics
Key Concepts of Physics is a key topic in the Edexcel GCSE Physicsspecification. This topic covers si units, prefixes, standard form, significant figures, scalars and vectors.
Master all 14 subtopics below with unlimited AI-generated questions. Each subtopic page includes sample questions and the ability to generate unlimited practice questions with detailed solutions.
All Subtopics (14)
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SI base units (metre, kilogram, second, ampere, kelvin)Derived units (newton, joule, watt, pascal, ohm, volt)Converting between unitsMetric prefixes (nano, micro, milli, centi, kilo, mega, giga)Using standard formConverting between standard form and decimalSignificant figuresRounding to appropriate significant figuresScalar quantities (distance, speed, mass, energy, temperature, time)Vector quantities (displacement, velocity, acceleration, force, momentum)Representing vectors with arrowsCombining vectors in one dimensionCombining vectors at right angles (H)Resolving vectors into components (H)
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Start with SI base units (metre, kilogram, second, ampere, kelvin)