GCSE Combined Science · key term

Micrometre

Definition

A unit of length equal to one millionth of a metre: $1\text{ µm} = 10^{-6}\text{ m}$ .

Used by AQA and Edexcel

Specification 4.1.1.1 · Paper 1

Many cells are too small to see individually with the unaided eye. Their dimensions are often measured in micrometres, written µm.
Revise: Eukaryotes and prokaryotes

Paper 1, Paper 2

A unit of length equal to $10^{-6}$ metres. Its symbol is µm.
Revise: Microscopy, Scale and Investigating Cells

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GCSE Combined Science · key term

A unit of length equal to one millionth of a metre: $1\text{ µm} = 10^{-6}\text{ m}$ .

Used by AQA and Edexcel

Specification 4.1.1.1 · Paper 1

Many cells are too small to see individually with the unaided eye. Their dimensions are often measured in micrometres, written µm.
Revise: Eukaryotes and prokaryotes

Paper 1, Paper 2

A unit of length equal to $10^{-6}$ metres. Its symbol is µm.
Revise: Microscopy, Scale and Investigating Cells

Create a free account to read GCSE Combined Science revision notes for your exam board and track your progress.