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Compound unit — OCR GCSE Combined Science A Definition

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Combined Science
Key terms
Compound unit

GCSE Combined Science · key term

Compound unit

Definition

A unit formed by combining units, such as metres per second (m/s).

Used by OCR

How each exam board covers it

OCR GCSE Combined Science A · J250

Specification P2.1c · Physics Paper 1

Revise: Unit Conversion and Rate Computation

OCR Combined Science A past papers

Exam tips

1
Convert both parts of a compound unit: changing km/h to m/s requires converting kilometres and hours.

Related key terms

Conversion factor
Direct proportion
Rate of change
Ratio
SI

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