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GCSE Combined Science · key term
A measurable property of an object or system, such as length, mass, time or temperature.
Used by OCR
Specification WS1.4b · Biology Paper 1, Biology Paper 2, Chemistry Paper 1, Chemistry Paper 2, Physics Paper 1, Physics Paper 2
Revise: Scientific QuantitiesA scientific quantity is a measurable property of an object or system. Length, mass, time and temperature are quantities. Describing an object as ‘heavy’ gives an impression; recording its mass gives information that other people can compare and use in calculations.
Biology, Chemistry, Physics, Combined Science
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A property that can be measured or calculated and expressed using a numerical value and, where appropriate, a unit.
A scientific quantity is a measurable or calculable property. It needs a clear meaning: ‘time’ could mean the duration of a fall, the drying time of paint or the time between two events. State exactly what is being measured, how it is determined and its unit.
