GCSE Combined Science · key term

Direct proportion

Definition

A relationship in which multiplying one quantity by a factor multiplies the other by the same factor, so their ratio remains constant.

Used by AQA and Edexcel

Specification 6.2.1.4, 6.5.1.3 · Paper 5, Paper 6

A relationship in which multiplying one quantity by a factor multiplies the other by the same factor. Its graph is a straight line through the origin.
Revise: Resistance and I–V Characteristics
A relationship in which multiplying one quantity by a factor multiplies the other by the same factor. For constant gravitational field strength, $W \propto m$ .
Revise: Gravity

Paper 5, Paper 6

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GCSE Combined Science · key term

A relationship in which multiplying one quantity by a factor multiplies the other by the same factor, so their ratio remains constant.

Used by AQA and Edexcel

Specification 6.2.1.4, 6.5.1.3 · Paper 5, Paper 6

A relationship in which multiplying one quantity by a factor multiplies the other by the same factor. Its graph is a straight line through the origin.
Revise: Resistance and I–V Characteristics
A relationship in which multiplying one quantity by a factor multiplies the other by the same factor. For constant gravitational field strength, $W \propto m$ .
Revise: Gravity

Paper 5, Paper 6

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